[Nouveau] [Bug 94637] New: system crash, no messages, GT215, ubuntu 16.04 when running glmark2 for a few minutes.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94637

            Bug ID: 94637
           Summary: system crash, no messages, GT215, ubuntu 16.04 when
                    running glmark2 for a few minutes.
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: peter at bsqt.homeip.net
        QA Contact: nouveau at lists.freedesktop.org

Created attachment 122444
  --> https://bugs.freedesktop.org/attachment.cgi?id=122444&action=edit
general info about the system... going through the FAQ

running fully patched ubuntu xenial, only nouveau drivers.  If I start
minecraft, and run for a few minutes, the system locks up for about 3 minutes,
then spontaneously reboots.  There are no messages I can see in any log, only
bootup messages after the event.

Using distribution packages, no xorg.conf, no trace of proprietary drivers I
can see.

The same hardware was stable using proprietary drivers on ubuntu 14.04.
just upgraded to 16.04 and switched to nouveau.

I can browse the web all day. Works fine as long as the GL isn't exercised. 
Nothing to do with minecraft as, it takes a little longer, say 10 to 15
minutes, but I can reproduce the problem exactly by just running glmark2
package from the repository.

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