[Bug 71659] [NVD9] Hangs under load with ![ PFIFO][0000:01:00.0] unhandled status 0x00800000 - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 71659] [NVD9] Hangs under load with ![ PFIFO][0000:01:00.0] unhandled status 0x00800000
Date: Sun, 29 Jun 2014 21:58:58 +0000	[thread overview]
Message-ID: <bug-71659-8800-BFt8CDfQ2T@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-71659-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>

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https://bugs.freedesktop.org/show_bug.cgi?id=71659

--- Comment #23 from Rebecca Palmer <R.Palmer-mHdZ94l+r7K1Qrn1Bg8BZw@public.gmane.org> ---
Created attachment 101990
  --> https://bugs.freedesktop.org/attachment.cgi?id=101990&action=edit
kernel log 3.15rc-Jun-27

This bug still exists in drm-nouveau-next (commit
242a42eadfc17448a0d5b2ffc0cb191c8b51971a) with Ubuntu 14.04 userspace.  The
error message has changed to "E[   PFIFO][0000:01:00.0] INTR 0x00800000", and
some of the "INTR 0x01000000: 0x00000005" warnings now come _after_ it.

In Ubuntu 14.04 (not 13.10) with either this git kernel or its standard 3.13,
there is also a hang on resume from suspend
(https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1333417),
but it is not clear whether this is a driver or BIOS problem.

In the attached, the original bug is at 08:09:47 and 08:20:06, the resume
failure (which can log "GPU lockup", "failed to idle chanel 0xcccc0001
[Xorg[1185]]", or nothing) is at 08:14:53.

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