[Bug 74492] New: v3.13-rc8 nv4e + msi = random lockups - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 74492] New: v3.13-rc8 nv4e + msi = random lockups
Date: Tue, 04 Feb 2014 07:56:19 +0000	[thread overview]
Message-ID: <bug-74492-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=74492

          Priority: medium
            Bug ID: 74492
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: v3.13-rc8 nv4e + msi = random lockups
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: ronald645-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
          Hardware: Other
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 93341
  --> https://bugs.freedesktop.org/attachment.cgi?id=93341&action=edit
Full dmesg of a clean boot

Kind of looks like bug #73445.

For me, it happens:

- almost at random with intervals of hours ranging to days (dammit...)
- not (yet) in OpenGL apps (I don't play games anymore)
- hangs in firefox , evince
- happens while scrolling but also happens during 'stationary' display

The symptoms are:

- relatively small corruption (10 %) which changes over time somewhat slightly
- disk writes only happen in periodic spurs with long pauses (SysRQ + S) did
not help

Eventually I'm dumped to terminal with an oops, but I don't see anything
nouveau related in there. Attaching it anyway.

nouveau.config=NvMSI=0 'fixes' it. Or let me put it this way: It never occurred
while using this parameter.

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