Attachment 854112 Details for Bug 1056279 – gdb output

gdb output

qemu-gdb-session.txt (text/plain), 5.27 KB, created by Dimitris on 2014-01-22 23:43:36 UTC

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Creator: Dimitris

Created: 2014-01-22 23:43:36 UTC

Size: 5.27 KB

patch

obsolete

>[d@gaspode ~]$ gdb /usr/bin/qemu-system-x86_64 /var/tmp/abrt/ccpp-2014-01-22-14\:48\:51-8346/coredump
>GNU gdb (GDB) Fedora 7.6.50.20130731-16.fc20
>Copyright (C) 2013 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 "x86_64-redhat-linux-gnu".
>Type "show configuration" for configuration details.
>For bug reporting instructions, please see:
><http://www.gnu.org/software/gdb/bugs/>.
>Find the GDB manual and other documentation resources online at:
><http://www.gnu.org/software/gdb/documentation/>.
>For help, type "help".
>Type "apropos word" to search for commands related to "word".
>..
>Reading symbols from /usr/bin/qemu-system-x86_64...Reading symbols from /usr/lib/debug/usr/bin/qemu-system-x86_64.debug...done.
>done.
>
>warning: core file may not match specified executable file.
>[New LWP 8346]
>[New LWP 8348]
>[New LWP 8347]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Core was generated by `/usr/bin/qemu-system-x86_64 -machine accel=kvm -cpu host -smp 1,cores=2 -m 3000'.
>Program terminated with signal SIGABRT, Aborted.
>#0  0x00007f9c97905c59 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
>56	  return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
>Traceback (most recent call last):
>  File "/usr/share/gdb/auto-load/usr/lib64/libgobject-2.0.so.0.3800.2-gdb.py", line 9, in <module>
>    from gobject import register
>  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
>    import gdb.backtrace
>ImportError: No module named backtrace
>(gdb) t a a bt
>
>Thread 3 (Thread 0x7f9c8b2ba700 (LWP 8347)):
>#0  sem_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:101
>#1  0x00007f9ca1a69487 in qemu_sem_timedwait (sem=sem@entry=0x7f9ca3035978, ms=ms@entry=10000) at util/qemu-thread-posix.c:238
>#2  0x00007f9ca191b48c in worker_thread (opaque=0x7f9ca30358e0) at thread-pool.c:96
>#3  0x00007f9c9f929f33 in start_thread (arg=0x7f9c8b2ba700) at pthread_create.c:309
>#4  0x00007f9c979c4ead in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>
>Thread 2 (Thread 0x7f9c8a8d7700 (LWP 8348)):
>#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
>#1  0x00007f9c9f92c179 in _L_lock_814 () from /lib64/libpthread.so.0
>#2  0x00007f9c9f92c048 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x7f9ca22ec560 <qemu_global_mutex>) at ../nptl/pthread_mutex_lock.c:79
>#3  0x00007f9ca1a69099 in qemu_mutex_lock (mutex=mutex@entry=0x7f9ca22ec560 <qemu_global_mutex>) at util/qemu-thread-posix.c:57
>#4  0x00007f9ca194d700 in qemu_mutex_lock_iothread () at /usr/src/debug/qemu-1.6.1/cpus.c:953
>#5  0x00007f9ca19a355c in kvm_cpu_exec (cpu=cpu@entry=0x7f9ca30421f0) at /usr/src/debug/qemu-1.6.1/kvm-all.c:1646
>#6  0x00007f9ca194c4b2 in qemu_kvm_cpu_thread_fn (arg=0x7f9ca30421f0) at /usr/src/debug/qemu-1.6.1/cpus.c:785
>#7  0x00007f9c9f929f33 in start_thread (arg=0x7f9c8a8d7700) at pthread_create.c:309
>#8  0x00007f9c979c4ead in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>
>Thread 1 (Thread 0x7f9ca167ca80 (LWP 8346)):
>#0  0x00007f9c97905c59 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
>#1  0x00007f9c97907368 in __GI_abort () at abort.c:89
>#2  0x00007f9c97945da4 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f9c97a4c648 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
>#3  0x00007f9c9794d098 in malloc_printerr (ptr=<optimized out>, str=0x7f9c97a4c690 "free(): invalid next size (normal)", action=3) at malloc.c:4930
>#4  _int_free (av=0x7f9c7c000020, p=<optimized out>, have_lock=0) at malloc.c:3782
>#5  0x00007f9ca195659c in address_space_unmap (as=<optimized out>, buffer=<optimized out>, len=<optimized out>, is_write=1, access_len=65536)
>    at /usr/src/debug/qemu-1.6.1/exec.c:2246
>#6  0x00007f9ca17d7a9e in dma_memory_unmap (access_len=<optimized out>, dir=<optimized out>, len=<optimized out>, buffer=<optimized out>, as=<optimized out>)
>    at /usr/src/debug/qemu-1.6.1/include/sysemu/dma.h:146
>#7  dma_bdrv_unmap (dbs=dbs@entry=0x7f9c7c040000) at dma-helpers.c:107
>#8  0x00007f9ca17d7c69 in dma_bdrv_cb (opaque=0x7f9c7c040000, ret=0) at dma-helpers.c:145
>#9  0x00007f9ca1792632 in bdrv_co_em_bh (opaque=0x7f9c7c0431f0) at block.c:3850
>#10 0x00007f9ca177f697 in aio_bh_poll (ctx=ctx@entry=0x7f9ca3024a00) at async.c:81
>#11 0x00007f9ca177f218 in aio_poll (ctx=ctx@entry=0x7f9ca3024a00, blocking=blocking@entry=false) at aio-posix.c:185
>#12 0x00007f9ca177f550 in aio_ctx_dispatch (source=source@entry=0x7f9ca3024a00, callback=<optimized out>, user_data=<optimized out>) at async.c:194
>#13 0x00007f9ca0dcd2a6 in g_main_dispatch (context=0x7f9ca3025400) at gmain.c:3066
>#14 g_main_context_dispatch (context=context@entry=0x7f9ca3025400) at gmain.c:3642
>#15 0x00007f9ca18c808a in glib_pollfds_poll () at main-loop.c:188
>#16 os_host_main_loop_wait (timeout=<optimized out>) at main-loop.c:233
>#17 main_loop_wait (nonblocking=<optimized out>) at main-loop.c:465
>#18 0x00007f9ca177a9a0 in main_loop () at vl.c:2089
>#19 main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at vl.c:4433
>(gdb)

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