Nouveau - Jan 2015 - [Bug 28095] X crash with PFIFO_CACHE_ERROR. (Nouveau on Riva TNT).

https://bugs.freedesktop.org/show_bug.cgi?id=28095

--- Comment #3 from Brent <bzipitidoo at hotmail.com> ---
Tested with Puppy Linux with kernel 3.14.20.  This is with Tahrpup 6.0, with an
updated kernel released by the maintainer of Tahrpup.

The Xserver has no mouse pointer, and displays only vertical stripes.  But
ctrl-alt-F2 worked and I can still use the text screen console.  Looked at
/var/log/messages and saw PROTECTION_FAULT errors.

Tahrpup 6.0 is here:
http://distro.ibiblio.org/puppylinux/puppy-tahr/iso/tahrpup%20-6.0-CE/tahr-6.0-CE_PAE.iso
And the update to kernel 3.14.20 is here:
http://distro.ibiblio.org/puppylinux/puppy-tahr/kernels/kernel-3.14.20_PAE_update.tar.xz

I see that there is an newer update to kernel 3.17, which I will try next.

Sample of the error messages:

Jan 26 16:04:59 puppypc29622 user.err kernel: nouveau E[  PGRAPH][0000:01:00.0]
 NOTIFY nsource: PROTECTION_ERROR nstatus: PROTECTION_FAULT
Jan 26 16:04:59 puppypc29622 user.err kernel: nouveau E[  PGRAPH][0000:01:00.0]
ch 1 [X[10566]] subc 2 class 0x0042 mthd 0x0180 data 0x00003a04

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