The latest Xorg and intel driver segfaults

[Zhenyu Wang]

On 2008.09.19 15:23:10 +0200, Lukas Hejtmanek wrote:
> Hello,
> 
> I tried to run the latest Xserver and the Intel driver (both current git
> head). It segfaults at the startup:
> 
> Core was generated by `/usr/local/X11R7.5/bin/Xorg :1.0'.
> Program terminated with signal 11, Segmentation fault.
> [New process 3191]
> #0  intel_nondrm_exec (bo=0x100aec0, used=16, priv=0x7fd81d35f270)
>     at i830_batchbuffer.c:48
> 48	    BEGIN_LP_RING(2);
> (gdb) where
> #0  intel_nondrm_exec (bo=0x100aec0, used=16, priv=0x7fd81d35f270)
>     at i830_batchbuffer.c:48
> #1  0x00007fd81d13c1b4 in dri_fake_bo_exec (bo=0x100aec0, used=16, 
>     cliprects=0x0, num_cliprects=0, DR4=-1) at intel_bufmgr_fake.c:1216
> #2  0x00007fd81d35f0f8 in intel_batch_flush (pScrn=0xfd2910)
>     at i830_batchbuffer.c:177
> #3  0x00007fd81d35ea7a in I830Sync (pScrn=0xfd2910) at i830_accel.c:195
> #4  0x00007fd81c4c678c in exaWaitSync (pScreen=0x10025d0) at exa.c:1049
> #5  0x00007fd81d36424d in i830_crtc_lock (crtc=0xfd7930) at i830_display.c:936
> #6  0x00000000004ac1cc in xf86CrtcSetMode (crtc=0xfd7930, mode=0xfd7a18, 
>     rotation=1, x=0, y=0) at xf86Crtc.c:253
> #7  0x00000000004aca17 in xf86SetDesiredModes (scrn=0xfd2910)
>     at xf86Crtc.c:2342
> #8  0x00007fd81d36dac2 in I830EnterVT (scrnIndex=0, 
>     flags=<value optimized out>) at i830_driver.c:3678
> #9  0x00007fd81d36f24a in I830ScreenInit (scrnIndex=0, pScreen=0x10025d0, 
>     argc=<value optimized out>, argv=<value optimized out>)
>     at i830_driver.c:3399
> #10 0x0000000000432ef6 in AddScreen (pfnInit=0x7fd81d36df70 <I830ScreenInit>, 
>     argc=2, argv=0x7fff28a51258) at main.c:695
> #11 0x000000000046e411 in InitOutput (pScreenInfo=0x7dd260, argc=2, 
>     argv=0x7fff28a51258) at xf86Init.c:1090
> #12 0x0000000000433625 in main (argc=2, argv=0x7fff28a51258, 
>     envp=0x7fff28a51270) at main.c:315
> (gdb) 
> 

It should be fixed in drm master now.

-- 
Open Source Technology Center, Intel ltd.

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