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Re: dl_debug.c???? Stopping on that code???


On Thu, 2003-07-31 at 11:52, Frank wrote:
> I tried it in native gdb, simular problems:
> [fcg@kw4 parser]$ gdb parser_test
> GNU gdb 5.3
> This GDB was configured as "i686-pc-linux-gnu"...
> (gdb) set args s
> (gdb) r

[I presume you've intentionally left out a breakpoint because the
debugger is failing to run the program. Correct me if I am wrong.]

> Starting program: /home/fcg/Gecka/parser/parser_test s
> Error while reading shared library symbols:
> Cannot find new threads: generic error
> Cannot find user-level thread for LWP 30703: no LWP to satisfy query
> (gdb) bt
> #0  _dl_debug_state () at dl-debug.c:56
> #1  0x40010197 in _dl_sysdep_start (start_argptr=0xbffec2c0,
>     dl_main=0x40002520 <dl_main>) at ../sysdeps/generic/dl-sysdep.c:208
> #2  0x40002441 in _dl_start_final (arg=0xbffec2c0,
> bootstrap_map_p=0xbffec08c,
>     start_time=493332180866518) at rtld.c:263
> #3  0x40002233 in _dl_start () at rtld.c:216
> Current language:  auto; currently c
> (gdb)

This is all system stuff. Are you by chance using an NPTL-enabled linux
system? If so, older versions of gdb (and hence Insight) will not work
with them. You will need to try out 6.0, which is due out soon. You can
check out the "gdb_6_0-branch" branch, i.e., cvs co -rgdb_6_0-branch
insight+dejagnu, as per the instructions on the download page.

Then build as normal.

Of course, if you are NOT using threads or an NPTL system, then there's
another problem with gdb, and you should ask on that mailing list (gdb
at sources dot redhat dot com). Be sure to include the session output
above. That would help them tremendously.

Keith



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