x11perf -all leads to Xorg crash on 8-STABLE

[Robert Noland]

On Mon, 2009-12-28 at 20:50 -0200, Carlos A. M. dos Santos wrote:
> On Mon, Dec 28, 2009 at 4:02 PM, Robert Noland <rnoland at freebsd.org> wrote:
> > On Mon, 2009-12-28 at 13:28 -0200, Carlos A. M. dos Santos wrote:
> [...]
> >>
> >> Updating pixman did not help:
> >>
> >> Program received signal SIGSEGV, Segmentation fault.
> >> 0x000000080107d215 in pixman_blt_sse2 (src_bits=0x81364f000,
> >> dst_bits=0x804200000, src_stride=2400, dst_stride=4096, src_bpp=32,
> >> dst_bpp=32, src_x=576, src_y=576, dst_x=3, dst_y=3, width=10,
> >> height=9)
> >>     at pixman-sse2.c:5358
> >> 5358              *(uint32_t *)d = *(uint32_t *)s;
> >> (gdb) print d
> >> $26 = (uint8_t *) 0x80420300c "���"
> >> (gdb) print s
> >> $27 = (uint8_t *) 0x8137a1100 <Error reading address 0x8137a1100: Bad address>
> >
> > Ok, following the math in pixman... I don't quite see how this happens.
> > Are you using any unusual compiler optimizations?
> 
> There are no unusual settings. It is a raw 8-STABLE/AMD64 system,
> built from the sources. The only ports installed are xorg-server,
> x11perf, vim-lite and the ports they depend on.
> 
> > I just tested this with pixman-0.16.0 from ports and xserver 1.7.3 with
> > nouveau and it does not kill the server.  I'm not sure that the output
> > is correct, but it does complete without error.
> 
> Are you using i386 or AMD64? I some spare GPT partitions on which I
> will install 8-STABLE/i386 and run the tests again.

This is amd64 w/ SIMD enabled.

robert.

-- 
Robert Noland <rnoland at FreeBSD.org>
FreeBSD