[Openchrome-users] Xorg crash in viaExaUploadToScratch

[Peter Volkov]

Hello list. Today I found strange issue on my amd64 box with VIA
Technologies, Inc. S3 Unichrome Pro VGA Adapter (rev 01) on board.

If I start qt4 application (IM client - psi in my case) xserver crashes
with the following backtrace:

Hello list. Today I found strange issue on my amd64 box with VIA
Technologies, Inc. S3 Unichrome Pro VGA Adapter (rev 01) on board.

If I start qt4 application (IM client - psi in my case) xserver crashes
with the following backtrace:

Received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f54cd2846f0 (LWP 4809)]
0x00007f54cb05eb12 in memcpy () from /lib/libc.so.6
(gdb) bt
#0  0x00007f54cb05eb12 in memcpy () from /lib/libc.so.6
#1  0x00007f54c983d039 in viaExaUploadToScratch (pSrc=<value optimized out>, pDst=<value optimized out>)
    at via_accel.c:1880
#2  0x00007f54c8df10e8 in exaTryDriverComposite (op=3 '\003', pSrc=0x25f9760, pMask=0x0, pDst=0x2570fc0, xSrc=0,
    ySrc=0, xMask=<value optimized out>, yMask=<value optimized out>, xDst=<value optimized out>,
    yDst=<value optimized out>, width=<value optimized out>, height=<value optimized out>) at exa_render.c:436
#3  0x00007f54c8df197e in exaComposite (op=3 '\003', pSrc=0x25f9760, pMask=0x0, pDst=0x2570fc0, xSrc=0, ySrc=0,
    xMask=0, yMask=0, xDst=0, yDst=0, width=22, height=22) at exa_render.c:708
#4  0x0000000000529bd8 in damageComposite (op=32 ' ', pSrc=0x25f9760, pMask=0x0, pDst=0x2570fc0, xSrc=0, ySrc=0,
    xMask=28704, yMask=<value optimized out>, xDst=<value optimized out>, yDst=<value optimized out>,
    width=<value optimized out>, height=<value optimized out>) at damage.c:576
#5  0x00000000005192a5 in ProcRenderComposite (client=0x25872a0) at render.c:729
#6  0x000000000044c374 in Dispatch () at dispatch.c:454
#7  0x00000000004331ed in main (argc=8, argv=0x7fffd52a55c8, envp=<value optimized out>) at main.c:441


Full backtrace and X.log are in attachment. Could you help me to find
what is this issue? I'll try to go back to previous versions of xserver
and openchrome driver later to see what's actually broken, but may be
you already see?

-- 
Peter.
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