From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
Subject: [Bug 35876] Hard GPU hangs on NV86
Date: Tue, 30 Aug 2011 18:56:37 -0700 (PDT)
Message-ID: <20110831015638.3F7311300D5@annarchy.freedesktop.org>
References: <bug-35876-8800@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=35876

--- Comment #28 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-08-30 18:56:38 PDT ---
Back to the hangs caused by unegine demos. I reproduced that once more without
my patch of course.

I got:

[10459.780042] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail:
0x00c00603 0x0000014d 0x00005600 0x00000000
[10464.810946] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail:
0x00c00603 0x0000014d 0x00005600 0x00000000
[10469.826439] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail:
0x00c00603 0x0000014d 0x00005600 0x00000000
[10474.841967] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail:
0x00c00603 0x0000014d 0x00005600 0x00000000
[10479.770036] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail:
0x00c00603 0x0000014d 0x00005600 0x00000000

In kernel log. PFIFO appears to be idle, and PGRAPH hung, while its MPs appear
active.

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