[Nouveau] [Bug 97462] New: Graphics deadlock "ILLEGAL_MTHD" in nouveau with mesa version 11.2.2 when visiting Google Maps with firefox 49.0b5

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97462

            Bug ID: 97462
           Summary: Graphics deadlock "ILLEGAL_MTHD" in nouveau with mesa
                    version 11.2.2 when visiting Google Maps with firefox
                    49.0b5
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: wadev at mailbox.hu
        QA Contact: xorg-team at lists.x.org

When visiting Google Maps website from Firefox 49.0b5, the computer totally
locks up.
It becomes unresponsive, no keyboard input (not even leds) nor mouse activity
from there on.

If I press the power button, however, it *will* shut down in a superfast 5-6
minutes course.

This must be the same problem as #33222 and #96802, more details added for
reproducibility. Should you need any further information, please let me know.

glxinfo excerpt:

Extended renderer info (GLX_MESA_query_renderer):
    Vendor: nouveau (0x10de)
    Device: NVD9 (0x104a)
    Version: 11.2.2
    Accelerated: yes
    Video memory: 2031MB
    Unified memory: no
    Preferred profile: core (0x1)
    Max core profile version: 4.1
    Max compat profile version: 3.0
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.0
OpenGL vendor string: nouveau
OpenGL renderer string: Gallium 0.4 on NVD9
OpenGL core profile version string: 4.1 (Core Profile) Mesa 11.2.2
OpenGL core profile shading language version string: 4.10

Syslog excerpt as follows:

Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 000c data
80000671
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 02000000 []
ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0020 data 00004302
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0030 data
200104d6
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0034 data
00004303
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0038 data
800103e4
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 003c data
20010680
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0040 data
00001111
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0044 data
00000000
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0048 data
800104b3
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 004c data
800104ba
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: gr: DATA_ERROR 00000004
[INVALID_VALUE] ch 7 [007f9ed000 Compositor[29014]] subc 0 class 9297 mthd 0804
data 3a88acfb
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0054 data
00000203
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0058 data
8000066f
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 005c data
800004e0
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: PBDMA0: 00200000
[ILLEGAL_MTHD] ch 7 [007f9ed000 Compositor[29014]] subc 0 mthd 0060 data
800004bb
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: read fault at
0020040000 engine 07 [PFIFO] client 07 [BAR_READ] reason 00 [PT_NOT_PRESENT] on
channel 7 [007f9ed000 Compositor[29014]]
Aug 23 10:46:13 terra kernel: nouveau 0000:01:00.0: fifo: fifo engine fault on
channel 7, recovering...

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