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: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
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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