bugzilla-daemon at freedesktop.org
2017-Sep-08  23:20 UTC
[Nouveau] [Bug 102631] New: Multiple nouveau stacks on kernel log when connecting a external monitor
https://bugs.freedesktop.org/show_bug.cgi?id=102631
            Bug ID: 102631
           Summary: Multiple nouveau stacks on kernel log when connecting
                    a external monitor
           Product: Mesa
           Version: 17.1
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: emilio at crisal.io
        QA Contact: nouveau at lists.freedesktop.org
Created attachment 134100
  --> https://bugs.freedesktop.org/attachment.cgi?id=134100&action=edit
relevant dmesg output
Sorry for the non-descriptive bug title in advance, I'm not sure which parts
of
the logs are worth a bug report, but I'm moderately sure that something in
here
deserves a bug filed.
My machine is a Lenovo P50 with:
    VGA compatible controller: NVIDIA Corporation GM107GLM [Quadro M2000M] (rev
a2)
And mesa version 17.1.8
I connected an external monitor to the HDMI port, and I got black screens for a
few retries.
On an unrelated (maybe not so unrelated?) note, I get reproducible FAULTs on
startup, regardless of any monitor attached or not I believe. I also got some
others on today's log, but that may be just related to the problem above.
The
first two lines below repro even without an external monitor:
    [    2.690083] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at
022554 [ IBUS ]
    [    2.691514] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at
10ac08 [ IBUS ]
    [   23.396822] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at
690000 [ TIMEOUT ]
    [   41.791019] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at
690000 [ TIMEOUT ]
    [   41.791902] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at
6900c0 [ TIMEOUT ]
    [   51.876682] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at
690000 [ TIMEOUT ]
    [   61.915247] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at
690000 [ TIMEOUT ]
    [   75.297725] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at
690000 [ TIMEOUT ]
Happy to help providing more information, testing, or even trying to contribute
a fix (with some guidance ideally, since I know nothing about the driver's
code
:P).
Thanks a lot in advance.
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bugzilla-daemon at freedesktop.org
2019-Sep-18  20:45 UTC
[Nouveau] [Bug 102631] Multiple nouveau stacks on kernel log when connecting a external monitor
https://bugs.freedesktop.org/show_bug.cgi?id=102631
GitLab Migration User <gitlab-migration at fdo.invalid> changed:
           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED
--- Comment #1 from GitLab Migration User <gitlab-migration at
fdo.invalid> ---
-- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.
You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1140.
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