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Date: Thu, 10 Nov 2011 10:53:30 +0100
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Subject: Re: [Qemu-devel] [TestDays] s390x emulation error
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To: qemu-devel Developers <qemu-devel@nongnu.org>
Cc: Alexander Graf <agraf@suse.de>

Is there a known issue with running multiple instances of
qemu-system-s390x? I got a hang on openSUSE 12.1 RC2 x86_64 host:

0x00007f0de7f698d4 in __lll_lock_wait () from /lib64/libpthread.so.0
(gdb) bt
#0  0x00007f0de7f698d4 in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f0de7f651c5 in _L_lock_883 () from /lib64/libpthread.so.0
#2  0x00007f0de7f6501a in pthread_mutex_lock () from /lib64/libpthread.so=
.0
#3  0x000000000048b4a9 in qemu_mutex_lock (mutex=3D<optimized out>)
    at /home/andreas/QEMU/qemu/qemu-thread-posix.c:54
#4  0x00000000004cd3df in qemu_mutex_lock_iothread ()
    at /home/andreas/QEMU/qemu/cpus.c:843
#5  0x0000000000467580 in main_loop_wait (nonblocking=3D<optimized out>)
    at /home/andreas/QEMU/qemu/main-loop.c:459
#6  0x0000000000408984 in main_loop () at /home/andreas/QEMU/qemu/vl.c:14=
81
#7  main (argc=3D<optimized out>, argv=3D<optimized out>, envp=3D<optimiz=
ed out>)
    at /home/andreas/QEMU/qemu/vl.c:3474

Key presses didn't work, SDL window doesn't close, at 99.9% CPU.

Andreas

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