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[Bug runtime/17270] uprobes_onthefly.exp causing hang on ppc64
- From: "mcermak at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Fri, 10 Oct 2014 16:52:54 +0000
- Subject: [Bug runtime/17270] uprobes_onthefly.exp causing hang on ppc64
- Auto-submitted: auto-generated
- References: <bug-17270-6586 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=17270
--- Comment #6 from Martin Cermak <mcermak at redhat dot com> ---
Created attachment 7826
--> https://sourceware.org/bugzilla/attachment.cgi?id=7826&action=edit
stap-report output
hrtimer_onthefly.exp causes kernel crash on s390x too:
[ 2362.636690] stap module notifier triggered in unexpected state 3
[ 2365.185234] stap module notifier triggered in unexpected state 3
[ 2365.185331] stap module notifier triggered in unexpected state 3
[ 2365.195695] Unable to handle kernel pointer dereference at virtual kernel
add
ress (null)
[ 2365.195737] Oops: 0004 [#1] SMP
[ 2365.195740] Modules linked in:
stap_67b0151b97c8e1dde8dcd8264a8bbe13__32658(O
F) nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache binfmt_misc
ipt_MASQUERA
DE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack
nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle tun bridge stp llc
ip6table_f
ilter ip6_tables iptable_filter ip_tables ebtable_nat ebtables sg qeth_l2 vmur
n
fsd auth_rpcgss nfs_acl lockd sunrpc xfs libcrc32c dasd_fba_mod lcs ctcm fsm
das
d_eckd_mod qeth qdio dasd_mod ccwgroup dm_mirror dm_region_hash dm_log dm_mod
[l
ast unloaded: stap_cd7de823793eceac21f7a774e5b77a25__27834]
[ 2365.195807] CPU: 0 PID: 32658 Comm: stapio Tainted: GF
O------------
-- 3.10.0-123.8.1.el7.s390x #1
[ 2365.195813] task: 000000007ced8910 ti: 000000005dbd4000 task.ti:
000000005dbd
4000
[ 2365.195886] Krnl PSW : 0704d00180000000 00000000005af91e
(mutex_lock+0x2e/0x6
0)
[ 2365.195892] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0
EA:
3
Krnl GPRS: 0000000000000081 0000000000000001 00000000ffffffff 0000000000000000
[ 2365.195896] 0000000000999f70 0000000000000001 0000000000000000
000
0000000000000
[ 2365.195905] 0000000000000008 0000000000000020 0000000000000001
000
003ffffbebd74
[ 2365.195925] 000000005dbd7d68 0000000000000020 000000005dbd7ca0
000
000005dbd7c80
[ 2365.195936] Krnl Code: 00000000005af916: 5830d000 l
%r3,0(%r
13)
00000000005af91a: 1823 lr %r2,%r3
#00000000005af91c: 1b21 sr %r2,%r1
>00000000005af91e: ba32d000 cs %r3,%r2,0(%r13)
00000000005af922: a744fffc brc 4,5af91a
00000000005af926: ec24000d007e cij %r2,0,4,5af940
00000000005af92c: e31003100004 lg %r1,784
00000000005af932: e310d018002401: HCPGSP2629I The virtual machine is
placed in CP mode due to a SIGP stop from
CPU 01.
stg %r1,24(%r13)
[ 2365.196063] Call Trace:
[ 2365.196065] ([<0000000000936ba8>] uaccess+0x0/0x50)
[ 2365.196069] [<0000000000150ff0>] flush_workqueue+0x78/0x5a8
[ 2365.196073] [<000003ff803050de>] _stp_cleanup_and_exit+0xe6/0x5f8
[stap_67b0
151b97c8e1dde8dcd8264a8bbe13__32658]
[ 2365.196094] [<000003ff8030581c>] _stp_ctl_write_cmd+0x22c/0x458
[stap_67b015
1b97c8e1dde8dcd8264a8bbe13__32658]
[ 2365.196111] [<000000000027650a>] vfs_write+0xa2/0x1c8
[ 2365.196116] [<0000000000277018>] SyS_write+0x60/0xb0
[ 2365.196119] [<00000000005b28a4>] sysc_tracego+0x14/0x1a
[ 2365.196124] [<000003fffd76f3e8>] 0x3fffd76f3e8
[ 2365.196129] Last Breaking-Event-Address:
[ 2365.196132] [<0000000000150fea>] flush_workqueue+0x72/0x5a8
[ 2365.196136]
[ 2365.196139] Kernel panic - not syncing: Fatal exception: panic_on_oops
[ 2365.196201] Stap trace buffer for processor 0 sub-buffer 0:
[ 2365.196205] The following may not have been sent to the display:
[ 2365.196208] toggling
[ 2365.196212] systemtap_module_init:59253: not starting (hrtimer) pidx 0
[ 2365.196236] toggling
[ 2365.196237] toggling
[ 2365.196242] toggling
[ 2365.196254] toggling
[ 2365.196255] toggling
[ 2365.196256] toggling
[ 2365.196257] toggling
[ 2365.196257] toggling
[ 2365.196258] toggling
[ 2365.196259] toggling
[ 2365.196259] toggling
[ 2365.196260] toggling
[ 2365.196261] toggling
[ 2365.196262] toggling
[ 2365.196262] toggling
[ ... ]
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