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Date: Fri, 30 May 2008 09:50:05 -0500
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] VNC Segfault : was Re: Segfault installing Windows
	XP 32 Bit guest on Linux	64Bit host
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To: qemu-devel@nongnu.org

Brad Campbell wrote:
> Brad Campbell wrote:
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x000000000046d5a5 in vnc_update_client (opaque=0x7f5db8e99000) at 
>> vnc.c:536
>> 536                if (memcmp(old_ptr, ptr, 16 * vs->depth) == 0) {
>> (gdb) bt
>> #0  0x000000000046d5a5 in vnc_update_client (opaque=0x7f5db8e99000)
>>     at vnc.c:536
>> #1  0x000000000040668c in qemu_run_timers (ptimer_head=0x688cc0,
>>     current_time=9750412) at /home/brad/src/qemu/vl.c:1077
>> #2  0x000000000040ca0c in main_loop_wait (timeout=0)
>>     at /home/brad/src/qemu/vl.c:7043
>> #3  0x000000000040fa15 in main (argc=21, argv=0x0)
>>     at /home/brad/src/qemu/vl.c:7133
>>
>>
>> I'm running this on a headless machine and don't have libSDL 
>> installed (compiled with --disable-gfx-check) and I'll lay odds it's 
>> something weird here..
>> I'm getting this with Ubuntu guest also now, so it's easier for me to 
>> track down!
>
> Ok, this is a general VNC explosion. If I compile it with libSDL and 
> run a standard SDL window over X then it works fine. As soon as I add 
> -vnc :2 to the command line it blows up in the same place.

Is this the latest SVN?  There was a recent SEGV fix for VNC.

Regards

Anthony Liguori

> Brad