Nouveau - Nov 2016 - [Bug 98525] New: nouveau graphics freeze when using KDE Plasma 5 with "fifo: PBDMA0: 00200000 subc 0 mthd 000c data 00000000"

https://bugs.freedesktop.org/show_bug.cgi?id=98525

            Bug ID: 98525
           Summary: nouveau graphics freeze when using KDE Plasma 5 with
                    "fifo: PBDMA0: 00200000 subc 0 mthd 000c data
                    00000000"
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: matthias.h.nagel at gmail.com
        QA Contact: xorg-team at lists.x.org

Kernel version: 4.4.26

Graphic card: "ASUS GeForce GTX 660 PCI 3.0 2GB DDR5"

uname: "Linux 4.4.26-gentoo #1 SMP Mon Oct 31 17:05:30 CET 2016 x86_64
Intel(R)
Xeon(R) CPU E3-1230 v3 @ 3.30GHz GenuineIntel GNU/Linux

SW versions:
x11-base/xorg-drivers-1.18-r1
x11-base/xorg-server-1.18.4
x11-base/xorg-x11-7.4-r2
kde-plasma/kwin-5.7.5

The system freezes, the X screen gets locked, mouse can still be moved,
switching VT console is not possible, three-finger-salute does not work, no
keyboard login possible Login via SSH and reboot still possible.

The bug is usually triggered if huge parts of the display needs rapid updates,
e.g. compiling a piece of software in a X terminal in full screen mode.

I use the proprietary PGRAPH firmware due to bugs #69882, #93629, #93630 and
#95054.

Kernel message:

nouveau 0000:01:00.0: fifo: PBDMA0: 00200000 [METHOD] ch 12 [023f28f000
Compositor[2492]] subc 0 mthd 000c data 00000000

This message floods the logs until they are overwritten from the beginning. The
other message is "Missed NN kernel messages".

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https://bugs.freedesktop.org/show_bug.cgi?id=98525

Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #1 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
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You can subscribe and participate further through the new bug through this link
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https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/296.

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