[Nouveau] [Bug 96968] New: [NVC0] disp: ERROR 7 [INVALID_HANDLE] 00 [] chid 0 mthd 0088 data f000000

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96968

            Bug ID: 96968
           Summary: [NVC0] disp: ERROR 7 [INVALID_HANDLE] 00 [] chid 0
                    mthd 0088 data f000000
           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: peter at lekensteyn.nl
        QA Contact: xorg-team at lists.x.org

Created attachment 125122
  --> https://bugs.freedesktop.org/attachment.cgi?id=125122&action=edit
dmesg for "Arch Linux Nouveau" image from 11 July 2016 (4.7.0-rc5-lts+)

nouveau causes hangs and spits errors like (4.6.3-1-ARCH):
[    3.938340] nouveau 0000:01:00.0: disp: ERROR 7 [INVALID_HANDLE] 00 [] chid
0 mthd 0088 data f0000000
[    3.944183] nouveau 0000:01:00.0: fifo: write fault at 0000001000 engine 04
[BAR1] client 08 [BAR_WRITE] reason 00 [PT_NOT_PRESENT] on channel -1
[001fe7f000 unknown]
[    3.944293] nouveau 0000:01:00.0: fifo: write fault at 0000000000 engine 05
[BAR3] client 08 [BAR_WRITE] reason 02 [PAGE_NOT_PRESENT] on channel -1
[001fe98000 unknown]
[    3.944460] nouveau 0000:01:00.0: fifo: INTR 08000000
[    3.971108] nouveau 0000:01:00.0: fifo: read fault at 0000005000 engine 04
[BAR1] client 07 [BAR_READ] reason 00 [PT_NOT_PRESENT] on channel -1
[001fe7f000 unknown]
[    3.998097] nouveau 0000:01:00.0: fifo: read fault at 0000005000 engine 04
[BAR1] client 07 [BAR_READ] reason 00 [PT_NOT_PRESENT] on channel -1
[001fe7f000 unknown]
[    3.998440] nouveau 0000:01:00.0: DRM: MM: using COPY0 for buffer copies
[    3.998527] nouveau 0000:01:00.0: disp: ERROR 5 [INVALID_STATE] 08 [] chid 0
mthd 0080 data 00000000

On the v4.7-rc5-lts+ kernel it mentions "fifo: fifo engine fault on channel 1,
recovering...", but it blows up somewhere else. I can remember also having
(hang) issues with the kernel included with Arch Linux iso 2016.01.01. Hanging
in the above cases means a slow down during boot, but eventually user input is
possible. (Don't know what happens after that, I just used an older image).

lspci
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GF108M [GeForce GT
425M] [10de:0df0] (rev a1)
Laptop: Clevo B7130

Test image (for reproducibility) was taken from https://nouveau.pmoreau.org/
SHA256: 187af03d97c14ac9fed61f621eb659de0bd258f88aaee5dd0934e8ed507252f5

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