[Nouveau] [Bug 70390] G84: Repeated system crashes under graphics load, E[PFIFO] DMA_PUSHER and lots of E[PGRAPH]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70390

--- Comment #2 from Martin von Gagern <Martin.vGagern at gmx.net> ---
Created attachment 87487
  --> https://bugs.freedesktop.org/attachment.cgi?id=87487&action=edit
Oct 10 incident

The Oct 10 incident was while I was using Stellarium in windowed mode, and
Firefox displaying and downsizing a pretty large JPEG of the orion nebula from
Wikipedia:
https://upload.wikimedia.org/wikipedia/commons/0/07/Orion_Nebula_-_Hubble_2006_mosaic.jpg.
So lots of graphics activity, and a good deal of 3D rendering on the part of
Stellarium.

nouveau E[   PFIFO][0000:01:00.0] DMA_PUSHER - ch 4 [stellarium[29629]] get
0x002016a6bc put 0x002017c714 ib_get 0x00000201 ib_put 0x00000202 state
0x80000000 (err: INVALID_CMD) push 0x00406040

nouveau E[  PGRAPH][0000:01:00.0] ch 2 [0x000fb33000 X[2842]] subc 7 class
0x8297 mthd 0x1288 data 0xffffffff

After that crash, I rebooted and just restored my Firefox session, without
opening Stellarium. It crashed again. I'm really surprised that I can find no
evidence of this boot in my logs. Strange.

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