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[Bug dyninst/15144] occasional (40%) stapdyn spin/hang during sdt.exp
- From: "fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Thu, 14 Feb 2013 18:37:51 +0000
- Subject: [Bug dyninst/15144] occasional (40%) stapdyn spin/hang during sdt.exp
- Auto-submitted: auto-generated
- References: <bug-15144-6586@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=15144
--- Comment #2 from Frank Ch. Eigler <fche at redhat dot com> 2013-02-14 18:37:51 UTC ---
Additional backtrace info from the affected process:
(gdb) bt
#0 0x00000031e18da4c7 in sched_yield () at
../sysdeps/unix/syscall-template.S:81
#1 0x00002aaaabc10ff5 in GeneratorLinux::evictFromWaitpid() () from
/usr/lib64/dyninst/libpcontrol.so.8.0
#2 0x00002aaaabc11079 in GeneratorLinux::~GeneratorLinux() () from
/usr/lib64/dyninst/libpcontrol.so.8.0
#3 0x00002aaaabc110a9 in GeneratorLinux::~GeneratorLinux() () from
/usr/lib64/dyninst/libpcontrol.so.8.0
#4 0x00000031e183944a in __cxa_finalize (d=0x2aaaabf04da0) at
cxa_finalize.c:55
#5 0x00002aaaabc0f513 in __do_global_dtors_aux () from
/usr/lib64/dyninst/libpcontrol.so.8.0
#6 0x00007fff2a0c2cc0 in ?? ()
#7 0x00000031e140f9da in _dl_fini () at dl-fini.c:253
Backtrace stopped: frame did not save the PC
(gdb) info thread
Id Target Id Frame
2 Thread 0x2aaaad24c700 (LWP 4634) "stapdyn"
pthread_cond_wait@@GLIBC_2.3.2 ()
at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
* 1 Thread 0x2aaaacc20a00 (LWP 4632) "stapdyn" 0x00000031e18da4c7 in
sched_yield ()
at ../sysdeps/unix/syscall-template.S:81
(gdb) thread 2
[Switching to thread 2 (Thread 0x2aaaad24c700 (LWP 4634))]
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
185 62: movl (%rsp), %edi
(gdb) bt
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00002aaaabc248cd in CondVar::wait() () from
/usr/lib64/dyninst/libpcontrol.so.8.0
#2 0x00002aaaabc0eb48 in LinuxPtrace::main() () from
/usr/lib64/dyninst/libpcontrol.so.8.0
#3 0x00002aaaabc2453c in thread_init(void*) () from
/usr/lib64/dyninst/libpcontrol.so.8.0
#4 0x00000031e2407c63 in start_thread (arg=0x2aaaad24c700) at
pthread_create.c:308
#5 0x00000031e18f524d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
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