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Hi guys, With a GeForce 320M GPU running linux 3.13.2 and Xorg 1.15.0, I'm seeing significant graphical corruption and later unrecoverable GPU lockup, accompanied by thousands of ILLEGAL_MTHD or related kernel messages [1]. I see similar issues on 3.12 also. Is there any debugging or testing I can do to help diagnose this? Many thanks, Daniel --- [1] http://quora.org/nouveau-dmesg.txt

...2d/3d accel. [ 85.751375] nouveau E[ PFIFO][0000:04:00.0] DMA_PUSHER - ch 3 [Xorg[919]] get 0x0020022a4c put 0x0020023140 ib_get 0x00000391 ib_put 0x000003c2 state 0x8000e6a8 (err: INVALID_CMD) push 0x00400040 I've seen this kind of error before, on many different card types, and have _no clue_ how it happens -- at no point is that command actually written to the ring (I think). After that happens, it looks like things get a little upset, and basically nothing works again. When I've seen it before things tend to recover, but I guess they don't have to. I wouldn't be surprised...

...375] nouveau E[ PFIFO][0000:04:00.0] DMA_PUSHER - ch 3 > [Xorg[919]] get 0x0020022a4c put 0x0020023140 ib_get 0x00000391 ib_put > 0x000003c2 state 0x8000e6a8 (err: INVALID_CMD) push 0x00400040 > > I've seen this kind of error before, on many different card types, and > have _no clue_ how it happens -- at no point is that command actually > written to the ring (I think). After that happens, it looks like > things get a little upset, and basically nothing works again. When > I've seen it before things tend to recover, but I guess they don't > have to. > &gt...