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Remote protocol problems after 2009 Oct 20


Hello

I'm working on UndoDB's support for running as a remote target,
controlled by gdb-7's remote protocol commands, including the new
reverse commands bc and bs.

Things were working fine, but a rather large commit to gdb on 2009 Oct
19 (the diff is 10,000 lines long) seems to have changed something and
UndoDB no longer works, even for simple running forwards.

The symptom is that gdb doesn't step off of an internal (i.e. not set
by the user) breakpoint in _dl_debug_state after starting the inferior
but instead returns to the user. Here's the output (for gdb built from
source dated 2009 oct 20, but the same thing happens with a gdb from a
few days ago):

    GNU gdb (GDB) 7.0.50.20091019-cvs
    Copyright (C) 2009 Free Software Foundation, Inc.
    License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
    This is free software: you are free to change and redistribute it.
    There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
    and "show warranty" for details.
    This GDB was configured as "i686-pc-linux-gnu".
    For bug reporting instructions, please see:
    <http://www.gnu.org/software/gdb/bugs/>...
    Reading symbols from test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe...done.
    0xb7fc3850 in ?? () from /lib/ld-linux.so.2
    (gdb) break main
    Breakpoint 1 at 0x8048465: file test16.c, line 13.
    (gdb) run 
    The program being debugged has been started already.
    Start it from the beginning? (y or n) y
    Starting program: test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe 
    0xb7fa7b51 in _dl_debug_state () from /lib/ld-linux.so.2
    (gdb) 

With earlier builds of gdb, gdb steps off the breakpoint at
_dl_debug_state and continues the inferior until it hits the breakpoint
at main().

I'm running gdb with the following startup script:

    set remote hardware-breakpoint-limit -1
    set remote hardware-breakpoint-packet off
    set remote software-breakpoint-packet on
    target extended-remote localhost:3000

If anyone has any ideas what might be wrong, or where to look for more
information, i'd be very grateful.

Here's the protocol log, with a few diagnostics from the UndoDB remote
server:

    GNU gdb (GDB) 7.0.50.20091019-cvs
    Copyright (C) 2009 Free Software Foundation, Inc.
    License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
    This is free software: you are free to change and redistribute it.
    There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
    and "show warranty" for details.
    This GDB was configured as "i686-pc-linux-gnu".
    For bug reporting instructions, please see:
    <http://www.gnu.org/software/gdb/bugs/>...
    Reading symbols from test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe...done.
    Sending packet: $qSupported:multiprocess+#c6...Ack
    Packet received: ReverseContinue+;ReverseStep+;multiprocess-
    Packet qSupported (supported-packets) is supported
    Sending packet: $!#21...Ack
    Packet received: OK
    Sending packet: $Hg0#df...Ack
    Packet received: E10
    Sending packet: $?#3f...  253486  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [10807:10807]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $Hc-1#09...Ack
    Packet received: E05
    Sending packet: $qC#b4...Ack
    Packet received: 
    Sending packet: $qAttached#8f...Ack
    Packet received: 0
    Packet qAttached (query-attached) is supported
    Sending packet: $qOffsets#4b...Ack
    Packet received: 
    Sending packet: $g#67...Ack
    Packet received: 00000000000000000000000000000000e0719fbf0000000000000000000000005038f1b792020000730000007b0000007b0000007b0000000000000000000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $qSymbol::#5b...Ack
    Packet received: 
    Packet qSymbol (symbol-lookup) is NOT supported
    Sending packet: $mb7f13850,1#ca...Ack
    Packet received: 89
    Sending packet: $mb7f13850,8#d1...Ack
    Packet received: 89e0e82902000089
    Sending packet: $mb7f13850,7#d0...Ack
    Packet received: 89e0e829020000
    0xb7f13850 in ?? () from /lib/ld-linux.so.2
    (gdb) break main
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,e#6f...Ack
    Packet received: 8d4c240483e4f0ff71fc5589e551
    Sending packet: $m804845e,1#6c...Ack
    Packet received: 55
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,1#38...Ack
    Packet received: e5
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048465,1#3d...Ack
    Packet received: c7
    Breakpoint 1 at 0x8048465: file test/test16.c, line 13.
    (gdb) run 
    The program being debugged has been started already.
    Start it from the beginning? (y or n) y
    Sending packet: $vKill;a410#33...  255797  undodb.c:3809:undodb_swaitpid [10807:10807]: unexpected waitpid status from rchild on startup: pid=10811, WIFSIGNALED, sig= 9 (SIGKILL)
    Ack
    Packet received: OK
    Packet vKill (kill) is supported
    Sending packet: $?#3f...  255865  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [10807:10807]: sending: X09
    Ack
    Packet received: X09
    Starting program: test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe 
    Sending packet: $vRun;#e6...Ack
      255951  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [10807:10807]: sending: S05
    Packet received: S05
    Packet vRun (run) is supported
    Sending packet: $qC#b4...Ack
    Packet received: 
    Sending packet: $qOffsets#4b...Ack
    Packet received: 
    Sending packet: $Hg0#df...Ack
    Packet received: E10
    Sending packet: $g#67...Ack
    Packet received: 00000000000000000000000000000000e085bebf0000000000000000000000005038f6b792020000730000007b0000007b0000007b0000000000000000000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $mb7f63850,1#cf...Ack
    Packet received: 89
    Sending packet: $mb7f63850,8#d6...Ack
    Packet received: 89e0e82902000089
    Sending packet: $mb7f63850,7#d5...Ack
    Packet received: 89e0e829020000
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,e#6f...Ack
    Packet received: 8d4c240483e4f0ff71fc5589e551
    Sending packet: $m804845e,1#6c...Ack
    Packet received: 55
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,1#38...Ack
    Packet received: e5
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $mb7f63850,1#cf...Ack
    Packet received: 89
    Sending packet: $mb7f63850,8#d6...Ack
    Packet received: 89e0e82902000089
    Sending packet: $mb7f63850,7#d5...Ack
    Packet received: 89e0e829020000
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,e#6f...Ack
    Packet received: 8d4c240483e4f0ff71fc5589e551
    Sending packet: $m804845e,1#6c...Ack
    Packet received: 55
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,1#38...Ack
    Packet received: e5
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $Z0,8048465,1#86...  259097  gdb7/js_undodb_server.c:817:command_loop [10807:10807]: command=Z
      259097  gdb7/js_undodb_server.c:832:command_loop [10807:10807]: Z0: set software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7f71b50,1#41...  259165  gdb7/js_undodb_server.c:817:command_loop [10807:10807]: command=Z
      259166  gdb7/js_undodb_server.c:832:command_loop [10807:10807]: Z0: set software breakpoint address=0xb7f71b50 length=1
    Ack
    Packet received: OK
    Sending packet: $vCont?#49...Ack
    Packet received: 
    Packet vCont (verbose-resume) is NOT supported
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $c#63...  259372  gdb7/js_undodb_server.c:441:command_loop [10807:10807]: doing PTRACE_CONT
      259373  gdb7/js_undodb_server.c:450:command_loop [10807:10807]: undodb_waitpid() returned: pid=10812, WIFSTOPPED, sig= 5 (SIGTRAP)
      259373  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [10807:10807]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: 000000005806f8b7d430f6b7f4fff7b7b483bebf7085bebf7006f8b75806f8b7511bf7b746020000730000007b0000007b0000007b0000000000000000000000
    Sending packet: $z0,8048465,1#a6...  259509  gdb7/js_undodb_server.c:817:command_loop [10807:10807]: command=z
      259510  gdb7/js_undodb_server.c:832:command_loop [10807:10807]: z0: clear software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7f71b50,1#61...  259578  gdb7/js_undodb_server.c:817:command_loop [10807:10807]: command=z
      259578  gdb7/js_undodb_server.c:832:command_loop [10807:10807]: z0: clear software breakpoint address=0xb7f71b50 length=1
    Ack
    Packet received: OK
    Sending packet: $mb7f71b51,1#f9...Ack
    Packet received: 89
    0xb7f71b51 in _dl_debug_state () from /lib/ld-linux.so.2
    (gdb) make.py:1449:commands2: e=  <type 'exceptions.AssertionError'>
    Traceback (most recent call last):
      File "./make.py", line 1440, in commands2
        ret = commands( context)
      File "./make.py", line 2343, in commands
        assert ur.hit_breakpoint
    AssertionError
    frontend_gdbmacro.py:1534:terminate: killing unterminated frontend.
    Quit
    (gdb) q
    A debugging session is active.
    
        Inferior 1 [Remote target] will be killed.
    
    Quit anyway? (y or n) y
    Sending packet: $vKill;a410#33...Quitting: Remote connection closed
    yabs 0: *** target failed: ./test41,remote=1,gdb=/home/jules/gdb_cvs,,20-oct-2009
    yabs 0: *** error was:
    yabs 0:   ../../home/jules/yabs/yabs.py:1712:_command_gettext(): command2 = command( context)
    yabs 0:   ./make.py:1440:commands2(): ret = commands( context)
    yabs 0:   ./make.py:2343:commands(): assert ur.hit_breakpoint
    yabs 0:   AssertionError
    yabs 0: *** target failed: ./tests_nr41,remote=1,gdb=/home/jules/gdb_cvs,,20-oct-2009
    yabs summary: yabs 0: *** target failed: ./tests_nr41,remote=1,gdb=/home/jules/gdb_cvs,,20-oct-2009
    yabs summary: yabs 1:   *** target failed: ./test41,remote=1,gdb=/home/jules/gdb_cvs,,20-oct-2009


And here's the log with a slightly older build of gdb:

    GNU gdb (GDB) 7.0.50.20091018-cvs
    Copyright (C) 2009 Free Software Foundation, Inc.
    License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
    This is free software: you are free to change and redistribute it.
    There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
    and "show warranty" for details.
    This GDB was configured as "i686-pc-linux-gnu".
    For bug reporting instructions, please see:
    <http://www.gnu.org/software/gdb/bugs/>...
    Reading symbols from test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe...done.
    Sending packet: $qSupported:multiprocess+#c6...Ack
    Packet received: ReverseContinue+;ReverseStep+;multiprocess-
    Packet qSupported (supported-packets) is supported
    Sending packet: $!#21...Ack
    Packet received: OK
    Sending packet: $Hg0#df...Ack
    Packet received: E10
    Sending packet: $?#3f... 1021056  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $Hc-1#09...Ack
    Packet received: E05
    Sending packet: $qC#b4...Ack
    Packet received: 
    Sending packet: $qAttached#8f...Ack
    Packet received: 0
    Packet qAttached (query-attached) is supported
    Sending packet: $qOffsets#4b...Ack
    Packet received: 
    Sending packet: $g#67...Ack
    Packet received: 00000000000000000000000000000000c092a3bf00000000000000000000000050d808b892020000730000007b0000007b0000007b0000000000000000000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $qSymbol::#5b...Ack
    Packet received: 
    Packet qSymbol (symbol-lookup) is NOT supported
    Sending packet: $mb808d850,1#cd...Ack
    Packet received: 89
    Sending packet: $mb808d850,8#d4...Ack
    Packet received: 89e0e82902000089
    Sending packet: $mb808d850,7#d3...Ack
    Packet received: 89e0e829020000
    0xb808d850 in ?? () from /lib/ld-linux.so.2
    (gdb) break main
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,e#6f...Ack
    Packet received: 8d4c240483e4f0ff71fc5589e551
    Sending packet: $m804845e,1#6c...Ack
    Packet received: 55
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,1#38...Ack
    Packet received: e5
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048465,1#3d...Ack
    Packet received: c7
    Breakpoint 1 at 0x8048465: file test/test16.c, line 13.
    (gdb) run 
    The program being debugged has been started already.
    Start it from the beginning? (y or n) y
    Sending packet: $vKill;a410#33... 1023360  undodb.c:3809:undodb_swaitpid [17884:17884]: unexpected waitpid status from rchild on startup: pid=17889, WIFSIGNALED, sig= 9 (SIGKILL)
    Ack
    Packet received: OK
    Packet vKill (kill) is supported
    Sending packet: $?#3f... 1023426  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: X09
    Ack
    Packet received: X09
    Starting program: test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe 
    Sending packet: $vRun;#e6...Ack
     1023536  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Packet received: S05
    Packet vRun (run) is supported
    Sending packet: $qC#b4...Ack
    Packet received: 
    Sending packet: $qOffsets#4b...Ack
    Packet received: 
    Sending packet: $Hg0#df...Ack
    Packet received: E10
    Sending packet: $g#67...Ack
    Packet received: 00000000000000000000000000000000d0d2b5bf00000000000000000000000050e8eeb792020000730000007b0000007b0000007b0000000000000000000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $m8049658,4#45...Ack
    Packet received: 00000000
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,e#6f...Ack
    Packet received: 8d4c240483e4f0ff71fc5589e551
    Sending packet: $m804845e,1#6c...Ack
    Packet received: 55
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,1#38...Ack
    Packet received: e5
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,e#6f...Ack
    Packet received: 8d4c240483e4f0ff71fc5589e551
    Sending packet: $m804845e,1#6c...Ack
    Packet received: 55
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,1#38...Ack
    Packet received: e5
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $Z0,8048465,1#86... 1026259  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
     1026259  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7efcb50,1#a1... 1026328  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
     1026328  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $vCont?#49...Ack
    Packet received: 
    Packet vCont (verbose-resume) is NOT supported
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $c#63... 1026534  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
     1026534  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
     1026534  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: 0000000058b6f0b7d4e0eeb7f4aff0b7a4d0b5bf60d2b5bf70b6f0b758b6f0b751cbefb746020000730000007b0000007b0000007b0000000000000000000000
    Sending packet: $P8=50cbefb7#53... 1026672  gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xb7efcb50
    Ack
    Packet received: OK
    Packet P (set-register) is supported
    Sending packet: $P29=ffffffff#28... 1026740  gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xffffffff
    Ack
    Packet received: OK
    Sending packet: $m8049658,4#45...Ack
    Packet received: 58b6f0b7
    Sending packet: $mb7f0b65c,4#2c...Ack
    Packet received: 70b6f0b7
    Sending packet: $mb7f0b670,14#2c...Ack
    Packet received: 00000000f77cf0b70c960408a0b2f0b700000000
    Sending packet: $mb7f0b2a0,14#52...Ack
    Packet received: 00e0eeb71481040828aff0b758b9f0b770b6f0b7
    Sending packet: $m8048114,4#37...Ack
    Packet received: 2f6c6962
    Sending packet: $m8048118,4#3b...Ack
    Packet received: 2f6c642d
    Sending packet: $m804811c,4#66...Ack
    Packet received: 6c696e75
    Sending packet: $m8048120,4#34...Ack
    Packet received: 782e736f
    Sending packet: $m8048124,4#38...Ack
    Packet received: 2e320000
    Sending packet: $mb7f0b958,14#35...Ack
    Packet received: 00f0eeb7f77cf0b72cd3eeb700000000a0b2f0b7
    Sending packet: $mb7f07cf4,4#30...Ack
    Packet received: 20090a00
    Sending packet: $mb7f0b658,4#01...Ack
    Packet received: 01000000
    Sending packet: $z0,8048465,1#a6... 1027636  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
     1027636  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7efcb50,1#c1... 1027703  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
     1027703  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $s#73... 1027840  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
     1027840  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
     1027840  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: 0000000058b6f0b7d4e0eeb7f4aff0b7a0d0b5bf60d2b5bf70b6f0b758b6f0b751cbefb746020000730000007b0000007b0000007b0000000000000000000000
    Sending packet: $Z0,8048465,1#86... 1027978  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
     1027979  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7efcb50,1#a1... 1028047  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
     1028047  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $c#63... 1028184  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
    Ack
     1028402  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
     1028402  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: 58b6f0b758b6f0b700000000f4aff0b700d0b5bf60d2b5bf000000000100000051cbefb746020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $P8=50cbefb7#53... 1028466  gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xb7efcb50
    Ack
    Packet received: OK
    Sending packet: $P29=ffffffff#28... 1028535  gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xffffffff
    Ack
    Packet received: OK
    Sending packet: $m8049658,4#45...Ack
    Packet received: 58b6f0b7
    Sending packet: $mb7f0b65c,4#2c...Ack
    Packet received: 70b6f0b7
    Sending packet: $mb7f0b670,14#2c...Ack
    Packet received: 00000000f77cf0b70c96040858b9f0b700000000
    Sending packet: $mb7f0b958,14#35...Ack
    Packet received: 00f0eeb7f77cf0b72cd3eeb7b8c8eeb770b6f0b7
    Sending packet: $mb7f07cf4,4#30...Ack
    Packet received: 20090a00
    Sending packet: $mb7eec8b8,14#96...Ack
    Packet received: 0000e1b738c8eeb7a012ecb740cceeb758b9f0b7
    Sending packet: $mb7eec838,4#36...Ack
    Packet received: 2f686f6d
    Sending packet: $mb7eec83c,4#61...Ack
    Packet received: 652f6a75
    Sending packet: $mb7eec840,4#2f...Ack
    Packet received: 6c65732f
    Sending packet: $mb7eec844,4#33...Ack
    Packet received: 756e646f
    Sending packet: $mb7eec848,4#37...Ack
    Packet received: 2d776f72
    Sending packet: $mb7eec84c,4#62...Ack
    Packet received: 6b2f6772
    Sending packet: $mb7eec850,4#30...Ack
    Packet received: 65676a75
    Sending packet: $mb7eec854,4#34...Ack
    Packet received: 6c65732f
    Sending packet: $mb7eec858,4#38...Ack
    Packet received: 6264622f
    Sending packet: $mb7eec85c,4#63...Ack
    Packet received: 5f796162
    Sending packet: $mb7eec860,4#31...Ack
    Packet received: 732f7072
    Sending packet: $mb7eec864,4#35...Ack
    Packet received: 656c6f61
    Sending packet: $mb7eec868,4#39...Ack
    Packet received: 64312c2d
    Sending packet: $mb7eec86c,4#64...Ack
    Packet received: 666e6f2d
    Sending packet: $mb7eec870,4#32...Ack
    Packet received: 73746163
    Sending packet: $mb7eec874,4#36...Ack
    Packet received: 6b2d7072
    Sending packet: $mb7eec878,4#3a...Ack
    Packet received: 6f746563
    Sending packet: $mb7eec87c,4#65...Ack
    Packet received: 746f722c
    Sending packet: $mb7eec880,4#33...Ack
    Packet received: 6370753d
    Sending packet: $mb7eec884,4#37...Ack
    Packet received: 69363836
    Sending packet: $mb7eec888,4#3b...Ack
    Packet received: 2c646562
    Sending packet: $mb7eec88c,4#66...Ack
    Packet received: 75672c67
    Sending packet: $mb7eec890,4#34...Ack
    Packet received: 63633d34
    Sending packet: $mb7eec894,4#38...Ack
    Packet received: 2e332e34
    Sending packet: $mb7eec898,4#3c...Ack
    Packet received: 2c6f733d
    Sending packet: $mb7eec89c,4#67...Ack
    Packet received: 4c696e75
    Sending packet: $mb7eec8a0,4#5c...Ack
    Packet received: 782c6f73
    Sending packet: $mb7eec8a4,4#60...Ack
    Packet received: 763d322e
    Sending packet: $mb7eec8a8,4#64...Ack
    Packet received: 362e3330
    Sending packet: $mb7eec8ac,4#8f...Ack
    Packet received: 2d312d36
    Sending packet: $mb7eec8b0,4#5d...Ack
    Packet received: 38362e73
    Sending packet: $mb7eec8b4,4#61...Ack
    Packet received: 6f000000
    Sending packet: $mb7eecc40,14#8b...Ack
    Packet received: 00a0c9b720cceeb77c4ddfb70090c9b7b8c8eeb7
    Sending packet: $mb7eecc20,4#58...Ack
    Packet received: 2f6c6962
    Sending packet: $mb7eecc24,4#5c...Ack
    Packet received: 2f693638
    Sending packet: $mb7eecc28,4#60...Ack
    Packet received: 362f636d
    Sending packet: $mb7eecc2c,4#8b...Ack
    Packet received: 6f762f6c
    Sending packet: $mb7eecc30,4#59...Ack
    Packet received: 6962632e
    Sending packet: $mb7eecc34,4#5d...Ack
    Packet received: 736f2e36
    Sending packet: $mb7eecc38,4#61...Ack
    Packet received: 00000000
    Sending packet: $mb7c99000,14#fc...Ack
    Packet received: 0050c9b7d0ceeeb7d07ec9b7b092c9b740cceeb7
    Sending packet: $mb7eeced0,4#8c...Ack
    Packet received: 2f6c6962
    Sending packet: $mb7eeced4,4#90...Ack
    Packet received: 2f693638
    Sending packet: $mb7eeced8,4#94...Ack
    Packet received: 362f636d
    Sending packet: $mb7eecedc,4#bf...Ack
    Packet received: 6f762f6c
    Sending packet: $mb7eecee0,4#8d...Ack
    Packet received: 6962646c
    Sending packet: $mb7eecee4,4#91...Ack
    Packet received: 2e736f2e
    Sending packet: $mb7eecee8,4#95...Ack
    Packet received: 32000000
    Sending packet: $mb7c992b0,14#30...Ack
    Packet received: 00f0c6b79092c9b7f03ec9b7a0b2f0b70090c9b7
    Sending packet: $mb7c99290,4#d6...Ack
    Packet received: 2f6c6962
    Sending packet: $mb7c99294,4#da...Ack
    Packet received: 2f693638
    Sending packet: $mb7c99298,4#de...Ack
    Packet received: 362f636d
    Sending packet: $mb7c9929c,4#09...Ack
    Packet received: 6f762f6c
    Sending packet: $mb7c992a0,4#fe...Ack
    Packet received: 69626d2e
    Sending packet: $mb7c992a4,4#02...Ack
    Packet received: 736f2e36
    Sending packet: $mb7c992a8,4#06...Ack
    Packet received: 00000000
    Sending packet: $mb7f0b2a0,14#52...Ack
    Packet received: 00e0eeb71481040828aff0b700000000b092c9b7
    Sending packet: $m8048114,4#37...Ack
    Packet received: 2f6c6962
    Sending packet: $m8048118,4#3b...Ack
    Packet received: 2f6c642d
    Sending packet: $m804811c,4#66...Ack
    Packet received: 6c696e75
    Sending packet: $m8048120,4#34...Ack
    Packet received: 782e736f
    Sending packet: $m8048124,4#38...Ack
    Packet received: 2e320000
    Sending packet: $mb7f0b658,4#01...Ack
    Packet received: 01000000
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $m8048454,e#6f...Ack
    Packet received: 8d4c240483e4f0ff71fc5589e551
    Sending packet: $m804845e,1#6c...Ack
    Packet received: 55
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m8048460,5#3c...Ack
    Packet received: e55183ec24
    Sending packet: $m804845f,1#6d...Ack
    Packet received: 89
    Sending packet: $m8048460,1#38...Ack
    Packet received: e5
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048461,1#39...Ack
    Packet received: 51
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048462,1#3a...Ack
    Packet received: 83
    Sending packet: $m8048454,1#3b...Ack
    Packet received: 8d
    Sending packet: $z0,8048465,1#a6... 1034661  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
     1034661  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7efcb50,1#c1... 1042316  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
    Ack
     1042316  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
    Packet received: OK
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $s#73... 1042452  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
     1042452  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
     1042452  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: 58b6f0b758b6f0b700000000f4aff0b7fccfb5bf60d2b5bf000000000100000051cbefb746020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $Z0,8048465,1#86... 1042589  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
     1042589  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7efcb50,1#a1... 1042658  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
     1042658  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $c#63... 1042796  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
    Ack
     1042802  debug.c:231:debug_setstate [17890:17890]: have set state to 0x5fe5d9d0
     1042825  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
     1042825  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: 58b6f0b758b6f0b700000000f4aff0b77cc9b5bfe8c9b5bfeccab5bf0000000051cbefb746020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $P8=50cbefb7#53... 1042933  gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xb7efcb50
    Ack
    Packet received: OK
    Sending packet: $P29=ffffffff#28... 1043002  gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xffffffff
    Ack
    Packet received: OK
    Sending packet: $m8049658,4#45...Ack
    Packet received: 58b6f0b7
    Sending packet: $mb7f0b65c,4#2c...Ack
    Packet received: 70b6f0b7
    Sending packet: $mb7f0b670,14#2c...Ack
    Packet received: 00000000f77cf0b70c96040858b9f0b700000000
    Sending packet: $mb7f0b958,14#35...Ack
    Packet received: 00f0eeb7f77cf0b72cd3eeb7b8c8eeb770b6f0b7
    Sending packet: $mb7f07cf4,4#30...Ack
    Packet received: 20090a00
    Sending packet: $mb7eec8b8,14#96...Ack
    Packet received: 0000e1b738c8eeb7a012ecb740cceeb758b9f0b7
    Sending packet: $mb7eec838,4#36...Ack
    Packet received: 2f686f6d
    Sending packet: $mb7eec83c,4#61...Ack
    Packet received: 652f6a75
    Sending packet: $mb7eec840,4#2f...Ack
    Packet received: 6c65732f
    Sending packet: $mb7eec844,4#33...Ack
    Packet received: 756e646f
    Sending packet: $mb7eec848,4#37...Ack
    Packet received: 2d776f72
    Sending packet: $mb7eec84c,4#62...Ack
    Packet received: 6b2f6772
    Sending packet: $mb7eec850,4#30...Ack
    Packet received: 65676a75
    Sending packet: $mb7eec854,4#34...Ack
    Packet received: 6c65732f
    Sending packet: $mb7eec858,4#38...Ack
    Packet received: 6264622f
    Sending packet: $mb7eec85c,4#63...Ack
    Packet received: 5f796162
    Sending packet: $mb7eec860,4#31...Ack
    Packet received: 732f7072
    Sending packet: $mb7eec864,4#35...Ack
    Packet received: 656c6f61
    Sending packet: $mb7eec868,4#39...Ack
    Packet received: 64312c2d
    Sending packet: $mb7eec86c,4#64...Ack
    Packet received: 666e6f2d
    Sending packet: $mb7eec870,4#32...Ack
    Packet received: 73746163
    Sending packet: $mb7eec874,4#36...Ack
    Packet received: 6b2d7072
    Sending packet: $mb7eec878,4#3a...Ack
    Packet received: 6f746563
    Sending packet: $mb7eec87c,4#65...Ack
    Packet received: 746f722c
    Sending packet: $mb7eec880,4#33...Ack
    Packet received: 6370753d
    Sending packet: $mb7eec884,4#37...Ack
    Packet received: 69363836
    Sending packet: $mb7eec888,4#3b...Ack
    Packet received: 2c646562
    Sending packet: $mb7eec88c,4#66...Ack
    Packet received: 75672c67
    Sending packet: $mb7eec890,4#34...Ack
    Packet received: 63633d34
    Sending packet: $mb7eec894,4#38...Ack
    Packet received: 2e332e34
    Sending packet: $mb7eec898,4#3c...Ack
    Packet received: 2c6f733d
    Sending packet: $mb7eec89c,4#67...Ack
    Packet received: 4c696e75
    Sending packet: $mb7eec8a0,4#5c...Ack
    Packet received: 782c6f73
    Sending packet: $mb7eec8a4,4#60...Ack
    Packet received: 763d322e
    Sending packet: $mb7eec8a8,4#64...Ack
    Packet received: 362e3330
    Sending packet: $mb7eec8ac,4#8f...Ack
    Packet received: 2d312d36
    Sending packet: $mb7eec8b0,4#5d...Ack
    Packet received: 38362e73
    Sending packet: $mb7eec8b4,4#61...Ack
    Packet received: 6f000000
    Sending packet: $mb7eecc40,14#8b...Ack
    Packet received: 00a0c9b720cceeb77c4ddfb70090c9b7b8c8eeb7
    Sending packet: $mb7eecc20,4#58...Ack
    Packet received: 2f6c6962
    Sending packet: $mb7eecc24,4#5c...Ack
    Packet received: 2f693638
    Sending packet: $mb7eecc28,4#60...Ack
    Packet received: 362f636d
    Sending packet: $mb7eecc2c,4#8b...Ack
    Packet received: 6f762f6c
    Sending packet: $mb7eecc30,4#59...Ack
    Packet received: 6962632e
    Sending packet: $mb7eecc34,4#5d...Ack
    Packet received: 736f2e36
    Sending packet: $mb7eecc38,4#61...Ack
    Packet received: 00000000
    Sending packet: $mb7c99000,14#fc...Ack
    Packet received: 0050c9b7d0ceeeb7d07ec9b7b092c9b740cceeb7
    Sending packet: $mb7eeced0,4#8c...Ack
    Packet received: 2f6c6962
    Sending packet: $mb7eeced4,4#90...Ack
    Packet received: 2f693638
    Sending packet: $mb7eeced8,4#94...Ack
    Packet received: 362f636d
    Sending packet: $mb7eecedc,4#bf...Ack
    Packet received: 6f762f6c
    Sending packet: $mb7eecee0,4#8d...Ack
    Packet received: 6962646c
    Sending packet: $mb7eecee4,4#91...Ack
    Packet received: 2e736f2e
    Sending packet: $mb7eecee8,4#95...Ack
    Packet received: 32000000
    Sending packet: $mb7c992b0,14#30...Ack
    Packet received: 00f0c6b79092c9b7f03ec9b7a0b2f0b70090c9b7
    Sending packet: $mb7c99290,4#d6...Ack
    Packet received: 2f6c6962
    Sending packet: $mb7c99294,4#da...Ack
    Packet received: 2f693638
    Sending packet: $mb7c99298,4#de...Ack
    Packet received: 362f636d
    Sending packet: $mb7c9929c,4#09...Ack
    Packet received: 6f762f6c
    Sending packet: $mb7c992a0,4#fe...Ack
    Packet received: 69626d2e
    Sending packet: $mb7c992a4,4#02...Ack
    Packet received: 736f2e36
    Sending packet: $mb7c992a8,4#06...Ack
    Packet received: 00000000
    Sending packet: $mb7f0b2a0,14#52...Ack
    Packet received: 00e0eeb71481040828aff0b700000000b092c9b7
    Sending packet: $m8048114,4#37...Ack
    Packet received: 2f6c6962
    Sending packet: $m8048118,4#3b...Ack
    Packet received: 2f6c642d
    Sending packet: $m804811c,4#66...Ack
    Packet received: 6c696e75
    Sending packet: $m8048120,4#34...Ack
    Packet received: 782e736f
    Sending packet: $m8048124,4#38...Ack
    Packet received: 2e320000
    Sending packet: $mb7f0b658,4#01...Ack
    Packet received: 01000000
    Sending packet: $z0,8048465,1#a6...    9594  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
        9594  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7efcb50,1#c1...    9663  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
        9663  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $s#73...    9801  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
        9801  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
        9801  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: 58b6f0b758b6f0b700000000f4aff0b778c9b5bfe8c9b5bfeccab5bf0000000051cbefb746020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $Z0,8048465,1#86...    9938  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
        9938  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7efcb50,1#a1...   10007  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       10007  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $c#63...   10144  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
    Ack
    undodb: license type: demo, user: test user
       10578  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
       10578  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086684040882020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $P8=65840408#68...   10646  gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0x8048465
    Ack
    Packet received: OK
    Sending packet: $P29=ffffffff#28...   10715  gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xffffffff
    Ack
    Packet received: OK
    Sending packet: $z0,8048465,1#a6...   10784  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       10784  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7efcb50,1#c1...   10853  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       10853  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    
    Sending packet: $m8048465,1#3d...Ack
    Packet received: c7
    Breakpoint 1, main () at test/test16.c:13
    13          for ( i=0; i<10; ++i)
    (gdb) undodb-get-n
    current "simulated time" is 256
    (gdb) step
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $s#73...   26351  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
       26352  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
       26352  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086c84040882020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $Z0,8048465,1#86...   26488  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       26488  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7efcb50,1#a1...   26558  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       26558  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7cc51b0,1#6a...   26626  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       26626  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7cc51b0 length=1
    Ack
    Packet received: OK
    Sending packet: $Hc0#db...Ack
    Packet received: E05
    Sending packet: $s#73...   26763  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
       26765  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
       26765  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304088f84040882020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $m804848f,1#70...Ack
    Packet received: 83
    Sending packet: $s#73...   26970  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
    Ack
       26971  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
       26972  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304089384040893020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $s#73...   27108  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
       27109  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
       27109  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Ack
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086e84040893020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $m804846e,1#6d...Ack
    Packet received: 8b
    Sending packet: $z0,8048465,1#a6...   27314  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       27314  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7efcb50,1#c1...   27382  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       27382  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7cc51b0,1#8a...   27451  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
    Ack
       27451  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7cc51b0 length=1
    Packet received: OK
    15              fprintf( stderr, "test16.c: i=%i\n", i);
    (gdb) info register eip
    eip            0x804846e        0x804846e <main+26>
    (gdb) undodb-set-bookmark
    Bookmark 0
    (gdb) backtrace
    #0  main () at test/test16.c:15
    (gdb) [ id=0 function='main' filename='test/test16.c' line=15]
    reverse-stepi
    Sending packet: $Z0,8048465,1#86...   28922  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       28922  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7efcb50,1#a1...   28984  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       28984  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $bs#d5...Ack
       29240  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304089384040893020000730000007b0000007b0000007b0000000000000033000000
    Sending packet: $m8048493,1#3e...Ack
    Packet received: 7e
    Sending packet: $z0,8048465,1#a6...   29377  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       29377  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7efcb50,1#c1...   29445  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       29445  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    0x08048493      13          for ( i=0; i<10; ++i)
    eip            0x8048493        0x8048493 <main+63>
    (gdb) continue
    Continuing.
    Sending packet: $Z0,8048465,1#86...   29956  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       29956  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7efcb50,1#a1...   30022  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       30023  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $c#63...   30091  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
    Ack
       30094  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
       30094  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
    Packet received: S05
    Sending packet: $g#67...Ack
    Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086e84040893020000730000007b0000007b0000007b0000000000000033000000
    
    Program received signal SIGTRAP, Trace/breakpoint trap.
    Sending packet: $z0,8048465,1#a6...   30229  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       30230  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7efcb50,1#c1...   30298  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       30298  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $m804846e,1#6d...Ack
    Packet received: 8b
    main () at test/test16.c:15
    15              fprintf( stderr, "test16.c: i=%i\n", i);
    (gdb) bbcount=undodb-get-n
    current "simulated time" is 258
    (gdb)  258
    continue
    Continuing.
    Sending packet: $Z0,8048465,1#86...   31021  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       31021  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $Z0,b7efcb50,1#a1...   31088  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
       31088  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $c#63...   31157  gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
    Ack
    test16.c: i=0
    test16.c: i=1
    test16.c: i=2
    test16.c: i=3
    test16.c: i=4
    test16.c: i=5
    test16.c: i=6
    test16.c: i=7
    test16.c: i=8
    test16.c: i=9
    causing deliberate segv
       31167  gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig=11 (SIGSEGV)
       31167  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S0b
    Packet received: S0b
    Sending packet: $g#67...Ack
    Packet received: 0000000018000000f460dfb7f44fdfb710d2b5bf38d2b5bf10850408a0830408bf84040846020100730000007b0000007b0000007b0000000000000033000000
    
    Program received signal SIGSEGV, Segmentation fault.
    Sending packet: $z0,8048465,1#a6...   31296  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       31296  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
    Ack
    Packet received: OK
    Sending packet: $z0,b7efcb50,1#c1...   31364  gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
       31364  gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
    Ack
    Packet received: OK
    Sending packet: $m80484bf,1#9a...Ack
    Packet received: c7
    0x080484bf in main () at test/test16.c:18
    18          *(int*)0=0;
    (gdb) bbcount=undodb-get-n
    current "simulated time" is 2811
    (gdb)  2811
    info register eip
    eip            0x80484bf        0x80484bf <main+107>
    (gdb) undodb-goto-n 256
    Sending packet: $g#67...Ack
    Packet received: d4d2b5bf2735c97001000000f44fdfb74cd2b5bfa8d2b5bf10850408a08304085484040846020000730000007b0000007b0000007b0000000000000033000000
    (gdb) info register eip
    eip            0x8048454        0x8048454 <main>
    (gdb) undodb-get-n
    current "simulated time" is 256
    (gdb) undodb-goto-bookmark 0
    Sending packet: $g#67...Ack
    Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086e84040893020000730000007b0000007b0000007b0000000000000033000000
    (gdb) info register eip
    eip            0x804846e        0x804846e <main+26>
    (gdb) q
    A debugging session is active.
    
            Inferior 2 [Remote target] will be killed.
    
    Quit anyway? (y or n) y
    Sending packet: $vKill;a410#33...Ack
    Packet received: OK
    Sending packet: $?#3f...   33419  gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: X09
    Ack
    Packet received: X09
       33490  net.c:46:net_readrepeat [17884:17884]: fd=5, n=1, sys_read() returned 0, t=1259018990, sys_time()=1259018990
    yabs 0:  remaking: ./tests_nr41,remote=1,gdb=/home/jules/gdb_cvs,,19-oct-2009


Many thanks,

- Julian

-- 
http://undo-software.com/


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