[Nouveau] [Bug 76414] New: [NVE4] Flash player triggers freeze with: PFIFO: read fault at ... [UNSUPPORTED_KIND] from PBDMA0/HOST ...

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76414

          Priority: medium
            Bug ID: 76414
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NVE4] Flash player triggers freeze with: PFIFO: read
                    fault at ... [UNSUPPORTED_KIND] from PBDMA0/HOST ...
        QA Contact: xorg-team at lists.x.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: tim at siosm.fr
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

A specific web page, with some flash content triggers an Xorg freeze (100%
system CPU on one core). I reproduced the issue 4 times in a row right after
booting.

The specific web page:
http://rue89.nouvelobs.com/rue89-culture/2014/03/20/annees-rap-a-quitte-cite-parler-bieres-baise-suicide-250788

dmesg extract:
mars 20 20:47:02 titan kernel: nouveau E[   PFIFO][0000:01:00.0] PFIFO: read
fault at 0x0000011000 [UNSUPPORTED_KIND] from PBDMA0/HOST on channel
0x007edbc000 [unknown]
mars 20 20:48:03 titan kernel: nouveau E[     DRM] GPU lockup - switching to
software fbcon
mars 20 20:48:19 titan kernel: nouveau E[  X[361]] failed to idle channel
0xcccc0001 [X[361]]
mars 20 20:48:33 titan kernel: nouveau E[  X[361]] failed to idle channel
0xcccc0001 [X[361]]
mars 20 20:48:48 titan kernel: nouveau E[  X[361]] failed to idle channel
0xcccc0000 [X[361]]
mars 20 20:49:03 titan kernel: nouveau E[  X[361]] failed to idle channel
0xcccc0000 [X[361]]
mars 20 20:49:18 titan kernel: nouveau E[plugin-containe[2417]] failed to idle
channel 0xcccc0000 [plugin-containe[2417]]
mars 20 20:49:33 titan kernel: nouveau E[plugin-containe[2417]] failed to idle
channel 0xcccc0000 [plugin-containe[2417]]

linux 3.14.rc7.r28 (commit ea1cd65)
mesa 10.1.0-4
nouveau-dri 10.1.0-4

$ glxinfo | grep Open
OpenGL vendor string: nouveau
OpenGL renderer string: Gallium 0.4 on NVE4
OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.1.0
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 10.1.0
OpenGL shading language version string: 1.30
OpenGL context flags: (none)

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