[Bug 92727] New: nouveau E[ PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT at 0x002140 [ !ENGINE ]

[Bug 92727] New: nouveau E[ PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT at 0x002140 [ !ENGINE ]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92727

            Bug ID: 92727
           Summary: nouveau E[ PBUS][0000:01:00.0] MMIO read of 0x00000000
                    FAULT at 0x002140 [ !ENGINE ]
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: caravena-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Open bug in launchpad.net
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1511473

dmesg:
[ 163.227218] nouveau E[ PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT at
0x002140 [ !ENGINE ]

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[Bug 92727] [NVC1] PFIFO not accessible when coming out of runtime pm

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92727

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau E[                  |[NVC1] PFIFO not accessible
                   |PBUS][0000:01:00.0] MMIO    |when coming out of runtime
                   |read of 0x00000000 FAULT at |pm
                   |0x002140 [ !ENGINE ]        |

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
... gpu comes ok ...

[  133.975729] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type
mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95)
[  133.975805] ACPI: \_SB_.PCI0.PEG0.PEGP: failed to evaluate _DSM
[  133.975809] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type
mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95)
[  149.703743] r8169 0000:03:00.0 eth0: link down
[  163.217080] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type
mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95)
[  163.217166] ACPI: \_SB_.PCI0.PEG0.PEGP: failed to evaluate _DSM
[  163.217170] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type
mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95)
[  163.227218] nouveau E[    PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT
at 0x002140 [ !ENGINE ]

Weird, I guess it doesn't come out of runpm sometimes? You can workaround this
by booting with nouveau.runpm=0 but it will leave the nvidia gpu on the whole
time.

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[Bug 92727] [NVC1] PFIFO not accessible when coming out of runtime pm

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https://bugs.freedesktop.org/show_bug.cgi?id=92727

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

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

--- Comment #2 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
-- 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/xorg/driver/xf86-video-nouveau/issues/227.

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