Attachment 632688 Details for Bug 869586 – thread apply all bt full

thread apply all bt full

gdb.bz869586 (text/plain), 21.64 KB, created by Xiaoqing Wei on 2012-10-24 10:48:41 UTC

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Creator: Xiaoqing Wei

Created: 2012-10-24 10:48:41 UTC

Size: 21.64 KB

patch

obsolete

>GNU gdb (GDB) Red Hat Enterprise Linux (7.2-60.el6)
>Copyright (C) 2010 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".
>For bug reporting instructions, please see:
><http://www.gnu.org/software/gdb/bugs/>...
>Reading symbols from /usr/libexec/qemu-kvm...Reading symbols from /usr/lib/debug/usr/libexec/qemu-kvm.debug...done.
>done.
>[New Thread 9115]
>[New Thread 9535]
>[New Thread 9504]
>[New Thread 9119]
>[New Thread 9121]
>[New Thread 9120]
>Reading symbols from /lib64/librt-2.12.so...Reading symbols from /usr/lib/debug/lib64/librt-2.12.so.debug...done.
>done.
>Loaded symbols for /lib64/librt-2.12.so
>Reading symbols from /lib64/libpthread-2.12.so...Reading symbols from /usr/lib/debug/lib64/libpthread-2.12.so.debug...done.
>[Thread debugging using libthread_db enabled]
>done.
>Loaded symbols for /lib64/libpthread-2.12.so
>Reading symbols from /lib64/libglib-2.0.so.0.2200.5...Reading symbols from /usr/lib/debug/lib64/libglib-2.0.so.0.2200.5.debug...done.
>done.
>Loaded symbols for /lib64/libglib-2.0.so.0.2200.5
>Reading symbols from /lib64/libaio.so.1.0.1...Reading symbols from /usr/lib/debug/lib64/libaio.so.1.0.1.debug...done.
>done.
>Loaded symbols for /lib64/libaio.so.1.0.1
>Reading symbols from /usr/lib64/libusbredirparser.so.1.0.0...Reading symbols from /usr/lib/debug/usr/lib64/libusbredirparser.so.1.0.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libusbredirparser.so.1.0.0
>Reading symbols from /lib64/libutil-2.12.so...Reading symbols from /usr/lib/debug/lib64/libutil-2.12.so.debug...done.
>done.
>Loaded symbols for /lib64/libutil-2.12.so
>Reading symbols from /lib64/libasound.so.2.0.0...Reading symbols from /usr/lib/debug/lib64/libasound.so.2.0.0.debug...done.
>done.
>Loaded symbols for /lib64/libasound.so.2.0.0
>Reading symbols from /usr/lib64/libpulse.so.0.12.2...Reading symbols from /usr/lib/debug/usr/lib64/libpulse.so.0.12.2.debug...done.
>done.
>Loaded symbols for /usr/lib64/libpulse.so.0.12.2
>Reading symbols from /usr/lib64/libpulse-simple.so.0.0.3...Reading symbols from /usr/lib/debug/usr/lib64/libpulse-simple.so.0.0.3.debug...done.
>done.
>Loaded symbols for /usr/lib64/libpulse-simple.so.0.0.3
>Reading symbols from /usr/lib64/libsasl2.so.2.0.23...Reading symbols from /usr/lib/debug/usr/lib64/libsasl2.so.2.0.23.debug...done.
>done.
>Loaded symbols for /usr/lib64/libsasl2.so.2.0.23
>Reading symbols from /usr/lib64/libgnutls.so.26.14.12...Reading symbols from /usr/lib/debug/usr/lib64/libgnutls.so.26.14.12.debug...done.
>done.
>Loaded symbols for /usr/lib64/libgnutls.so.26.14.12
>Reading symbols from /usr/lib64/libspice-server.so.1.5.0...Reading symbols from /usr/lib/debug/usr/lib64/libspice-server.so.1.5.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libspice-server.so.1.5.0
>Reading symbols from /lib64/libm-2.12.so...Reading symbols from /usr/lib/debug/lib64/libm-2.12.so.debug...done.
>done.
>Loaded symbols for /lib64/libm-2.12.so
>Reading symbols from /lib64/libz.so.1.2.3...Reading symbols from /usr/lib/debug/lib64/libz.so.1.2.3.debug...done.
>done.
>Loaded symbols for /lib64/libz.so.1.2.3
>Reading symbols from /lib64/libc-2.12.so...Reading symbols from /usr/lib/debug/lib64/libc-2.12.so.debug...done.
>done.
>Loaded symbols for /lib64/libc-2.12.so
>Reading symbols from /lib64/ld-2.12.so...Reading symbols from /usr/lib/debug/lib64/ld-2.12.so.debug...done.
>done.
>Loaded symbols for /lib64/ld-2.12.so
>Reading symbols from /lib64/libdl-2.12.so...Reading symbols from /usr/lib/debug/lib64/libdl-2.12.so.debug...done.
>done.
>Loaded symbols for /lib64/libdl-2.12.so
>Reading symbols from /usr/lib64/libpulsecommon-0.9.21.so...Reading symbols from /usr/lib/debug/usr/lib64/libpulsecommon-0.9.21.so.debug...done.
>done.
>Loaded symbols for /usr/lib64/libpulsecommon-0.9.21.so
>Reading symbols from /usr/lib64/libX11.so.6.3.0...Reading symbols from /usr/lib/debug/usr/lib64/libX11.so.6.3.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libX11.so.6.3.0
>Reading symbols from /usr/lib64/libSM.so.6.0.1...Reading symbols from /usr/lib/debug/usr/lib64/libSM.so.6.0.1.debug...done.
>done.
>Loaded symbols for /usr/lib64/libSM.so.6.0.1
>Reading symbols from /usr/lib64/libICE.so.6.3.0...Reading symbols from /usr/lib/debug/usr/lib64/libICE.so.6.3.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libICE.so.6.3.0
>Reading symbols from /usr/lib64/libXtst.so.6.1.0...Reading symbols from /usr/lib/debug/usr/lib64/libXtst.so.6.1.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libXtst.so.6.1.0
>Reading symbols from /lib64/libwrap.so.0.7.6...Reading symbols from /usr/lib/debug/lib64/libwrap.so.0.7.6.debug...done.
>done.
>Loaded symbols for /lib64/libwrap.so.0.7.6
>Reading symbols from /usr/lib64/libsndfile.so.1.0.20...Reading symbols from /usr/lib/debug/usr/lib64/libsndfile.so.1.0.20.debug...done.
>done.
>Loaded symbols for /usr/lib64/libsndfile.so.1.0.20
>Reading symbols from /usr/lib64/libasyncns.so.0.3.1...Reading symbols from /usr/lib/debug/usr/lib64/libasyncns.so.0.3.1.debug...done.
>done.
>Loaded symbols for /usr/lib64/libasyncns.so.0.3.1
>Reading symbols from /lib64/libdbus-1.so.3.4.0...Reading symbols from /usr/lib/debug/lib64/libdbus-1.so.3.4.0.debug...done.
>done.
>Loaded symbols for /lib64/libdbus-1.so.3.4.0
>Reading symbols from /lib64/libresolv-2.12.so...Reading symbols from /usr/lib/debug/lib64/libresolv-2.12.so.debug...done.
>done.
>Loaded symbols for /lib64/libresolv-2.12.so
>Reading symbols from /lib64/libcrypt-2.12.so...Reading symbols from /usr/lib/debug/lib64/libcrypt-2.12.so.debug...done.
>done.
>Loaded symbols for /lib64/libcrypt-2.12.so
>Reading symbols from /usr/lib64/libtasn1.so.3.1.6...Reading symbols from /usr/lib/debug/usr/lib64/libtasn1.so.3.1.6.debug...done.
>done.
>Loaded symbols for /usr/lib64/libtasn1.so.3.1.6
>Reading symbols from /lib64/libgcrypt.so.11.5.3...Reading symbols from /usr/lib/debug/lib64/libgcrypt.so.11.5.3.debug...done.
>done.
>Loaded symbols for /lib64/libgcrypt.so.11.5.3
>Reading symbols from /usr/lib64/libcelt051.so.0.0.0...Reading symbols from /usr/lib/debug/usr/lib64/libcelt051.so.0.0.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libcelt051.so.0.0.0
>Reading symbols from /usr/lib64/libjpeg.so.62.0.0...Reading symbols from /usr/lib/debug/usr/lib64/libjpeg.so.62.0.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libjpeg.so.62.0.0
>Reading symbols from /usr/lib64/libpixman-1.so.0.26.2...Reading symbols from /usr/lib/debug/usr/lib64/libpixman-1.so.0.26.2.debug...done.
>done.
>Loaded symbols for /usr/lib64/libpixman-1.so.0.26.2
>Reading symbols from /usr/lib64/libssl.so.1.0.0...Reading symbols from /usr/lib/debug/usr/lib64/libssl.so.1.0.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libssl.so.1.0.0
>Reading symbols from /usr/lib64/libcrypto.so.1.0.0...Reading symbols from /usr/lib/debug/usr/lib64/libcrypto.so.1.0.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libcrypto.so.1.0.0
>Reading symbols from /usr/lib64/libxcb.so.1.1.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb.so.1.1.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libxcb.so.1.1.0
>Reading symbols from /lib64/libuuid.so.1.3.0...Reading symbols from /usr/lib/debug/lib64/libuuid.so.1.3.0.debug...done.
>done.
>Loaded symbols for /lib64/libuuid.so.1.3.0
>Reading symbols from /usr/lib64/libXext.so.6.4.0...Reading symbols from /usr/lib/debug/usr/lib64/libXext.so.6.4.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libXext.so.6.4.0
>Reading symbols from /usr/lib64/libXi.so.6.1.0...Reading symbols from /usr/lib/debug/usr/lib64/libXi.so.6.1.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libXi.so.6.1.0
>Reading symbols from /lib64/libnsl-2.12.so...Reading symbols from /usr/lib/debug/lib64/libnsl-2.12.so.debug...done.
>done.
>Loaded symbols for /lib64/libnsl-2.12.so
>Reading symbols from /usr/lib64/libFLAC.so.8.2.0...Reading symbols from /usr/lib/debug/usr/lib64/libFLAC.so.8.2.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libFLAC.so.8.2.0
>Reading symbols from /usr/lib64/libvorbisenc.so.2.0.6...Reading symbols from /usr/lib/debug/usr/lib64/libvorbisenc.so.2.0.6.debug...done.
>done.
>Loaded symbols for /usr/lib64/libvorbisenc.so.2.0.6
>Reading symbols from /usr/lib64/libvorbis.so.0.4.3...Reading symbols from /usr/lib/debug/usr/lib64/libvorbis.so.0.4.3.debug...done.
>done.
>Loaded symbols for /usr/lib64/libvorbis.so.0.4.3
>Reading symbols from /usr/lib64/libogg.so.0.6.0...Reading symbols from /usr/lib/debug/usr/lib64/libogg.so.0.6.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libogg.so.0.6.0
>Reading symbols from /lib64/libfreebl3.so...Reading symbols from /usr/lib/debug/lib64/libfreebl3.so.debug...done.
>done.
>Loaded symbols for /lib64/libfreebl3.so
>Reading symbols from /lib64/libgpg-error.so.0.5.0...Reading symbols from /usr/lib/debug/lib64/libgpg-error.so.0.5.0.debug...done.
>done.
>Loaded symbols for /lib64/libgpg-error.so.0.5.0
>Reading symbols from /lib64/libgssapi_krb5.so.2.2...Reading symbols from /usr/lib/debug/lib64/libgssapi_krb5.so.2.2.debug...done.
>done.
>Loaded symbols for /lib64/libgssapi_krb5.so.2.2
>Reading symbols from /lib64/libkrb5.so.3.3...Reading symbols from /usr/lib/debug/lib64/libkrb5.so.3.3.debug...done.
>done.
>Loaded symbols for /lib64/libkrb5.so.3.3
>Reading symbols from /lib64/libcom_err.so.2.1...Reading symbols from /usr/lib/debug/lib64/libcom_err.so.2.1.debug...done.
>done.
>Loaded symbols for /lib64/libcom_err.so.2.1
>Reading symbols from /lib64/libk5crypto.so.3.1...Reading symbols from /usr/lib/debug/lib64/libk5crypto.so.3.1.debug...done.
>done.
>Loaded symbols for /lib64/libk5crypto.so.3.1
>Reading symbols from /usr/lib64/libXau.so.6.0.0...Reading symbols from /usr/lib/debug/usr/lib64/libXau.so.6.0.0.debug...done.
>done.
>Loaded symbols for /usr/lib64/libXau.so.6.0.0
>Reading symbols from /lib64/libkrb5support.so.0.1...Reading symbols from /usr/lib/debug/lib64/libkrb5support.so.0.1.debug...done.
>done.
>Loaded symbols for /lib64/libkrb5support.so.0.1
>Reading symbols from /lib64/libkeyutils.so.1.3...Reading symbols from /usr/lib/debug/lib64/libkeyutils.so.1.3.debug...done.
>done.
>Loaded symbols for /lib64/libkeyutils.so.1.3
>Reading symbols from /lib64/libselinux.so.1...Reading symbols from /usr/lib/debug/lib64/libselinux.so.1.debug...done.
>done.
>Loaded symbols for /lib64/libselinux.so.1
>Reading symbols from /usr/lib64/sasl2/libsasldb.so.2.0.23...Reading symbols from /usr/lib/debug/usr/lib64/sasl2/libsasldb.so.2.0.23.debug...done.
>done.
>Loaded symbols for /usr/lib64/sasl2/libsasldb.so.2.0.23
>Reading symbols from /lib64/libdb-4.7.so...Reading symbols from /usr/lib/debug/lib64/libdb-4.7.so.debug...done.
>done.
>Loaded symbols for /lib64/libdb-4.7.so
>Reading symbols from /usr/lib64/sasl2/libcrammd5.so.2.0.23...Reading symbols from /usr/lib/debug/usr/lib64/sasl2/libcrammd5.so.2.0.23.debug...done.
>done.
>Loaded symbols for /usr/lib64/sasl2/libcrammd5.so.2.0.23
>Reading symbols from /usr/lib64/sasl2/liblogin.so.2.0.23...Reading symbols from /usr/lib/debug/usr/lib64/sasl2/liblogin.so.2.0.23.debug...done.
>done.
>Loaded symbols for /usr/lib64/sasl2/liblogin.so.2.0.23
>Reading symbols from /usr/lib64/sasl2/libplain.so.2.0.23...Reading symbols from /usr/lib/debug/usr/lib64/sasl2/libplain.so.2.0.23.debug...done.
>done.
>Loaded symbols for /usr/lib64/sasl2/libplain.so.2.0.23
>Reading symbols from /usr/lib64/sasl2/libdigestmd5.so.2.0.23...Reading symbols from /usr/lib/debug/usr/lib64/sasl2/libdigestmd5.so.2.0.23.debug...done.
>done.
>Loaded symbols for /usr/lib64/sasl2/libdigestmd5.so.2.0.23
>Reading symbols from /usr/lib64/sasl2/libanonymous.so.2.0.23...Reading symbols from /usr/lib/debug/usr/lib64/sasl2/libanonymous.so.2.0.23.debug...done.
>done.
>Loaded symbols for /usr/lib64/sasl2/libanonymous.so.2.0.23
>Core was generated by `/usr/local/staf/test/RHEV/kvm-new/autotest/client/tests/kvm/qemu -name vm1 -nod'.
>Program terminated with signal 11, Segmentation fault.
>#0  qemu_bh_poll () at async.c:65
>65	        if (!bh->deleted && bh->scheduled) {
>(gdb) 
>Thread 6 (Thread 0x7f9b693ac700 (LWP 9120)):
>#0  0x00007f9b70edfa47 in ioctl () at ../sysdeps/unix/syscall-template.S:82
>No locals.
>#1  0x00007f9b734f192a in kvm_run (env=0x7f9b748e8010) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:1015
>        r = 0
>        kvm = 0x7f9b741c3520
>        run = 0x7f9b7333f000
>        fd = 44
>#2  0x00007f9b734f1dd9 in kvm_cpu_exec (env=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:1743
>        r = <value optimized out>
>#3  0x00007f9b734f2cbd in kvm_main_loop_cpu (_env=0x7f9b748e8010) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:2004
>        run_cpu = <value optimized out>
>#4  ap_main_loop (_env=0x7f9b748e8010) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:2060
>        env = 0x7f9b748e8010
>        signals = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
>        data = <value optimized out>
>#5  0x00007f9b72e28851 in start_thread (arg=0x7f9b693ac700) at pthread_create.c:301
>        __res = <value optimized out>
>        pd = 0x7f9b693ac700
>        now = <value optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140305462118144, -8325217781264398214, 140305624146432, 140305462118848, 0, 3, 8304691572121290874, 8304645737980381306}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <value optimized out>
>        pagesize_m1 = <value optimized out>
>        sp = <value optimized out>
>        freesize = <value optimized out>
>#6  0x00007f9b70ee790d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
>No locals.
>
>Thread 5 (Thread 0x7f9b60dfd700 (LWP 9121)):
>#0  0x00007f9b73662e90 in interface_get_command (sin=0x7f9b7996bad8, ext=0x7f9b60dfcab0) at /usr/src/debug/qemu-kvm-0.12.1.2/hw/qxl.c:615
>        qxl = 0x7f9b7996b840
>        update = 0x7f9b749fe010
>        ring = <value optimized out>
>        cmd = <value optimized out>
>        notify = <value optimized out>
>        ret = 0
>#1  0x00007f9b71666ed4 in red_process_commands (worker=0x7f97500008c0, ring_is_empty=0x7f9b60dfcbdc, max_pipe_size=50) at red_worker.c:4880
>        ext_cmd = {cmd = {data = 140305653294304, type = 1, padding = 0}, group_id = 0, flags = 0}
>        n = 7
>        start = 18446731702234573185
>#2  0x00007f9b7166acea in red_worker_main (arg=<value optimized out>) at red_worker.c:11798
>        ring_is_empty = 0
>        i = <value optimized out>
>        num_events = 1
>        worker = 0x7f97500008c0
>        __FUNCTION__ = "red_worker_main"
>#3  0x00007f9b72e28851 in start_thread (arg=0x7f9b60dfd700) at pthread_create.c:301
>        __res = <value optimized out>
>        pd = 0x7f9b60dfd700
>        now = <value optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140305321940736, -8325217781264398214, 140305624146432, 140305321941440, 0, 3, 8304676431824701562, 8304645737980381306}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <value optimized out>
>        pagesize_m1 = <value optimized out>
>        sp = <value optimized out>
>        freesize = <value optimized out>
>#4  0x00007f9b70ee790d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
>No locals.
>
>Thread 4 (Thread 0x7f9b69dad700 (LWP 9119)):
>#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
>No locals.
>#1  0x00007f9b72e2a388 in _L_lock_854 () from /lib64/libpthread-2.12.so
>No symbol table info available.
>#2  0x00007f9b72e2a257 in __pthread_mutex_lock (mutex=0x7f9b739db9c0) at pthread_mutex_lock.c:61
>        ignore1 = 128
>        ignore2 = 1939716544
>        ignore3 = -512
>        type = <value optimized out>
>        id = 9119
>#3  0x00007f9b734f03b0 in post_kvm_run (kvm=<value optimized out>, env=0x7f9b748cec70) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:922
>No locals.
>#4  0x00007f9b734f197b in kvm_run (env=0x7f9b748cec70) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:1024
>        r = 0
>        kvm = 0x7f9b741c3520
>        run = 0x7f9b7345c000
>        fd = 43
>#5  0x00007f9b734f1dd9 in kvm_cpu_exec (env=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:1743
>        r = <value optimized out>
>#6  0x00007f9b734f2cbd in kvm_main_loop_cpu (_env=0x7f9b748cec70) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:2004
>        run_cpu = <value optimized out>
>#7  ap_main_loop (_env=0x7f9b748cec70) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:2060
>        env = 0x7f9b748cec70
>        signals = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
>        data = <value optimized out>
>#8  0x00007f9b72e28851 in start_thread (arg=0x7f9b69dad700) at pthread_create.c:301
>        __res = <value optimized out>
>        pd = 0x7f9b69dad700
>        now = <value optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140305472608000, -8325217781264398214, 140305624146432, 140305472608704, 0, 3, 8304691850757294202, 8304645737980381306}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <value optimized out>
>        pagesize_m1 = <value optimized out>
>        sp = <value optimized out>
>        freesize = <value optimized out>
>#9  0x00007f9b70ee790d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
>No locals.
>
>Thread 3 (Thread 0x7f97571fc700 (LWP 9504)):
>#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
>No locals.
>#1  0x00007f9b7350da67 in cond_timedwait (unused=<value optimized out>) at posix-aio-compat.c:102
>        ret = <value optimized out>
>#2  aio_thread (unused=<value optimized out>) at posix-aio-compat.c:329
>        aiocb = <value optimized out>
>        ret = <value optimized out>
>        tv = {tv_sec = 1350976434, tv_usec = 663464}
>        ts = {tv_sec = 1350976444, tv_nsec = 0}
>        pid = 9115
>#3  0x00007f9b72e28851 in start_thread (arg=0x7f97571fc700) at pthread_create.c:301
>        __res = <value optimized out>
>        pd = 0x7f97571fc700
>        now = <value optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140287978489600, -8325217781264398214, 140305636377088, 140287978490304, 0, 3, 8311477457240213626, 8304645737980381306}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <value optimized out>
>        pagesize_m1 = <value optimized out>
>        sp = <value optimized out>
>        freesize = <value optimized out>
>#4  0x00007f9b70ee790d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
>No locals.
>
>Thread 2 (Thread 0x7f9b6b74a700 (LWP 9535)):
>#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
>No locals.
>#1  0x00007f9b7350da67 in cond_timedwait (unused=<value optimized out>) at posix-aio-compat.c:102
>        ret = <value optimized out>
>#2  aio_thread (unused=<value optimized out>) at posix-aio-compat.c:329
>        aiocb = <value optimized out>
>        ret = <value optimized out>
>        tv = {tv_sec = 1350976434, tv_usec = 622798}
>        ts = {tv_sec = 1350976444, tv_nsec = 0}
>        pid = 9115
>#3  0x00007f9b72e28851 in start_thread (arg=0x7f9b6b74a700) at pthread_create.c:301
>        __res = <value optimized out>
>        pd = 0x7f9b6b74a700
>        now = <value optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140305499465472, -8325217781264398214, 140305636377088, 140305499466176, 0, 3, 8304695301226645626, 8304645737980381306}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <value optimized out>
>        pagesize_m1 = <value optimized out>
>        sp = <value optimized out>
>        freesize = <value optimized out>
>#4  0x00007f9b70ee790d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
>No locals.
>
>Thread 1 (Thread 0x7f9b73443980 (LWP 9115)):
>#0  qemu_bh_poll () at async.c:65
>        bh = 0xff575700ffff57
>        bhp = <value optimized out>
>        next = <value optimized out>
>        ret = <value optimized out>
>        nesting = 1
>#1  0x00007f9b734ce039 in main_loop_wait (timeout=1000) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:4022
>        ioh = <value optimized out>
>        rfds = {fds_bits = {0 <repeats 16 times>}}
>        wfds = {fds_bits = {0 <repeats 16 times>}}
>        xfds = {fds_bits = {0 <repeats 16 times>}}
>        ret = 1
>        nfds = 58
>        tv = {tv_sec = 0, tv_usec = 990994}
>#2  0x00007f9b734efe7a in kvm_main_loop () at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:2244
>        fds = {49, 50}
>        mask = {__val = {268443712, 0 <repeats 15 times>}}
>        sigfd = 51
>#3  0x00007f9b734d0b4a in main_loop (argc=44, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:4192
>        r = <value optimized out>
>#4  main (argc=44, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:6528
>        gdbstub_dev = 0x0
>        i = <value optimized out>
>        snapshot = 0
>        linux_boot = 0
>        initrd_filename = 0x0
>        kernel_filename = 0x0
>        kernel_cmdline = 0x7f9b73681faf ""
>        boot_devices = "c\000n", '\000' <repeats 29 times>
>        ds = <value optimized out>
>        dcl = <value optimized out>
>        cyls = 0
>        heads = 0
>        secs = 0
>        translation = 0
>        hda_opts = 0x0
>        opts = <value optimized out>
>        olist = <value optimized out>
>        optind = 44
>        optarg = 0x0
>        loadvm = 0x0
>        machine = 0x7f9b739d4fe0
>        cpu_model = 0x7fff65155acf "Penryn"
>        fds = {1933915352, 32667}
>        tb_size = 0
>        pid_file = 0x0
>        incoming = 0x0
>        fd = 0
>        pwd = 0x0
>        chroot_dir = 0x0
>        run_as = 0x0
>        env = <value optimized out>
>        show_vnc_port = 0
>        defconfig = <value optimized out>
>        defconfig_verbose = <value optimized out>
>(gdb) quit

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Attachments on bug 869586: 632688 | 739640 | 739641 | 739643 | 744712 | 745608