Re: [Qemu-devel] segfault in current cvs

[Fabrice Bellard <fabrice.bellard@free.fr>]

Hi,

I made no tests of the current release of QEMU on PowerPC. I will try to 
  debug it before releasing the 0.5.2 (during this week if everything is 
OK). Was the 0.5.1 working correctly with a Linux image ?

Fabrice.

Jens Axboe wrote:
> Hi,
> 
> Tried to launch a win98 iso, but it segfaults right away. No matter what
> I try, I get this:
> 
> axboe@apu:[.]boe/qemu-cvs/i386-softmmu $ gdb ./qemu 
> GNU gdb 6.0-debian
> Copyright 2003 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you
> are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for
> details.
> This GDB was configured as "powerpc-linux"...
> (gdb) r -kernel ~axboe/bzImage-2.4.20
> Starting program: /home/axboe/qemu-cvs/i386-softmmu/qemu -kernel
> ~axboe/bzImage-2.4.20
> [New Thread 16384 (LWP 15913)]
> warning: could not open /dev/net/tun: no virtual network emulation
> Load kernel at 0x30183008 (0x00100000)
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 16384 (LWP 15913)]
> cpu_x86_exec (env1=0x0) at /home/axboe/qemu-cvs/cpu-exec.c:323
> 323                         tb->cs_base = (unsigned long)cs_base;
> (gdb) p tb
> $1 = (TranslationBlock *) 0x0
> (gdb) p cs_base
> $2 = (uint8_t *) 0x0
> (gdb) 
> 
> which looks odd, given the !tb check just a few lines up. I'm using:
> 
> axboe@apu:/home/axboe $ gcc --version
> gcc (GCC) 3.3.3 20031229 (prerelease) (Debian)
>