6.9RC1 MergedFB on radeon 7500 breaks

[Chao Cao]

Not sure if it matters since I used really strong optimization "-g -O3
-march=pentium-m -mmx -msse -msse2 -mfpmath=sse", and also this is from core
dump...
Technically I am more an enduser than a developer, so hopefully my
statements could be accurate enough...


Well, at least it sounds like Xserver's bug now, so I'm gonna send a bug
report now.


On 10/28/05, Benjamin Herrenschmidt <benh at kernel.crashing.org> wrote:
>
> On Fri, 2005-10-28 at 00:12 -0400, Chao Cao wrote:
>
> That's interesting as your backtrace seem to not involve the radeon driver
> at
> all... I don't know how much of those things can actually be trusted on
> x86 but
> there are a few weird values there, like the pSrc pointer to
> fbCopyAreammx,
> which is wrong. Maybe a bug in fbCompositeCopyAreammx() ? However, the
> xDst
> argument passed to fbCompositeCopyAreammx() itself looks fairly bad too,
> so I'm not too sure at this point what's going on.
>
> Ben.
>
> > f=0x81f5768 "Caught signal %d. Server aborting\n") at log.c:408
> > #8 0x0808bc9a in xf86SigHandler (signo=11) at xf86Events.c:1412
> > #9 <signal handler called>
> > #10 fbCopyAreammx (pSrc=0x11c0, pDst=0x82d7340, src_x=0, src_y=0,
> dst_x=0,
> > dst_y=0, width=2304, height=1024) at fbmmx.c:2218
> > #11 0xb7876490 in fbCompositeCopyAreammx (op=1 '\001', pSrc=0xb4991260,
> > pMask=0x0, pDst=0xb4991260, xSrc=0, ySrc=0, xMask=0, yMask=0,
> xDst=20896,
> > yDst=96, width=0, height=4704) at fbmmx.c:2265
> > #12 0xb786eb75 in fbComposite (op=1 '\001', pSrc=0x84720f8, pMask=0x0,
> > pDst=0x84751a0, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=1, yDst=0,
> > width=2304, height=1024) at fbpict.c:1297
> > #13 0xb783b0ad in exaComposite (op=1 '\001', pSrc=0x84720f8,
> pMask=0x82a9670,
> > pDst=0x84751a0, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=0, yDst=0,
> > width=2304, height=1024) at exapict.c:471
> > #14 0x08192576 in damageComposite (op=1 '\001', pSrc=0xb4991260,
> > ---Type <return> to continue, or q <return> to quit---
> > pMask=0xb4991260, pDst=0x84751a0, xSrc=0, ySrc=0, xMask=0, yMask=0,
> > xDst=0, yDst=0, width=2304, height=1024) at damage.c:539
> > #15 0x081acabb in ProcRenderComposite (client=0x0) at render.c:755
> > #16 0x080d7f81 in Dispatch () at dispatch.c:459
> > #17 0x080e80fd in main (argc=4, argv=0xbfaaa3f4, envp=0xb4991260) at
> main.c:450
>
>
>
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