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Date: Thu, 30 Jun 2011 23:17:17 +0200
From: Stefan Weil <weil@mail.berlios.de>
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Subject: Re: [Qemu-devel] "cpu-exec.c: avoid AREG0 use" breaks x86 emulation
 on	x86-64
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To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Blue Swirl <blauwirbel@gmail.com>, qemu-devel <qemu-devel@nongnu.org>

Am 30.06.2011 18:47, schrieb Jan Kiszka:
> Hi Blue,
>
> commit cea5f9a28f breaks here, just starting qemu without any
> parameters:
>
> Starting program: qemu-system-x86_64
> [Thread debugging using libthread_db enabled]
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff39ac770 in __sigsetjmp () from /lib64/libc.so.6
> (gdb) bt
> #0 0x00007ffff39ac770 in __sigsetjmp () from /lib64/libc.so.6
> #1 0x00000000004eb96c in cpu_x86_exec (env=0x11d09a0) at cpu-exec.c:233
> #2 0x000000000040f056 in tcg_cpu_exec (env=0x11d09a0) at cpus.c:1059
> #3 cpu_exec_all () at cpus.c:1100
> #4 0x000000000058cfcb in main_loop () at vl.c:1380
> #5 main (argc=<value optimized out>, argv=<value optimized out>, 
> envp=<value optimized out>) at vl.c:3318
>
> Please have a look.
>
> Jan

Hi,

the same commit works here. Maybe this is caused by different timing?
You might try -singlestep. Does QEMU emulate any guest code,
or is logging output empty when QEMU was run with -d in_asm?

Regards,
Stefan