[Bug 95031] New: [NVE4] Random GPU lockups - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 95031] New: [NVE4] Random GPU lockups
Date: Wed, 20 Apr 2016 07:44:15 +0000	[thread overview]
Message-ID: <bug-95031-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=95031

            Bug ID: 95031
           Summary: [NVE4] Random GPU lockups
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: lucasout-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 123085
  --> https://bugs.freedesktop.org/attachment.cgi?id=123085&action=edit
nouveau bugs

Having random lockups on a GTX 660 Ti (NVE4), since kernel 4.1 I guess, using
DRI2.
[    0.267666] nouveau 0000:02:00.0: NVIDIA GK104 (0e4030a2)
[    0.378583] nouveau 0000:02:00.0: bios: version 80.04.4b.00.1a
[    0.379302] nouveau 0000:02:00.0: fb: 2048 MiB GDDR5

Now on gentoo ~amd64 using:

sys-kernel/gentoo-sources-4.5.1
x11-base/xorg-server-1.18.3
x11-drivers/xf86-video-nouveau-1.0.12

Also tried Karol Herbst reclocking branch v4
(https://github.com/karolherbst/nouveau/tree/stable_reclocking_kepler_v4),
reclocked to pstate 07 and tried all 3 boost states. All hang sooner or later.

Will continue testing other pstates and boost configurations.

Sometimes the kernel log becomes corrupted, but I managed to get a working log
(attached).

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