On Mon, Jul 15, 2002 at 01:26:58PM +0200, Felix Kühling wrote:
> I tried restarting torcs after the last problem and it locked up the
> Xserver. I got something in the log before I rebooted:
> 
> Jul 15 13:16:48 viking kernel: [drm] mach64_ring_idle failed! GUI_STAT=0x01800001
> Jul 15 13:16:48 viking kernel: [drm] 
> Jul 15 13:16:48 viking kernel: [drm] ring contents:
> Jul 15 13:16:48 viking kernel: [drm]   head_addr: 0x0051fff0 head: 4092 tail: 4
> Jul 15 13:16:48 viking kernel: 
> Jul 15 13:16:48 viking kernel: [drm]   0x0051c000:  0x007ffe48 0xd01b4000 0xc0000070 
>0x00000000
                                         ^^^^^^^^^^
> Jul 15 13:16:48 viking kernel: [drm]   0x0051c010:  0x007ffe48 0xd0118000 0x40000770 
>0x00000000 (tail)
> Jul 15 13:16:48 viking kernel: [drm]   0x0051c020:  0x007ffe48 0xd0028000 0x40000048 
>0x00000000
> Jul 15 13:16:48 viking kernel: [drm]   0x0051c030:  0x007ffe48 0xd01e0000 0x400007f8 
>0x00000000
> Jul 15 13:16:48 viking kernel: [drm]   ...
> Jul 15 13:16:48 viking kernel: [drm]   0x0051ffc0:  0x007ffe48 0xd016c000 0x40000068 
>0x00000000
> Jul 15 13:16:48 viking kernel: [drm]   0x0051ffd0:  0x007ffe48 0xd00dc000 0x40000c30 
>0x00000000
> Jul 15 13:16:48 viking kernel: [drm]   0x0051ffe0:  0x007ffe48 0xd00d4000 0x40000068 
>0x00000000
> Jul 15 13:16:48 viking kernel: [drm]   0x0051fff0:  0x007ffe48 0xd01ec000 0x400003fc 
>0x00000000 (head)
> Jul 15 13:16:48 viking kernel: [drm] 
> Jul 15 13:16:48 viking kernel: [drm] 
> Jul 15 13:16:48 viking kernel: [drm]        BM_GUI_TABLE = 0x0051c000
> Jul 15 13:16:48 viking kernel: [drm] 
> Jul 15 13:16:48 viking kernel: [drm] BM_FRAME_BUF_OFFSET = 0x007ff980
> Jul 15 13:16:48 viking kernel: [drm]  BM_SYSTEM_MEM_ADDR = 0x0051c000
                                                               ^^^^^^^^

The engine locked while looping around the ring, reading the first
entry. My guess is that the engine was already busted somehow...

> Jul 15 13:16:48 viking kernel: [drm]          BM_COMMAND = 0x40000000
> Jul 15 13:16:48 viking kernel: [drm] 
[...]

José Fonseca


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