Bug 92727 - [NVC1] PFIFO not accessible when coming out of runtime pm
Summary: [NVC1] PFIFO not accessible when coming out of runtime pm
Status: NEW
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/nouveau (show other bugs)
Version: unspecified
Hardware: Other All
: medium normal
Assignee: Nouveau Project
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-10-29 17:39 UTC by Cristian Aravena
Modified: 2015-10-29 17:44 UTC (History)
0 users

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Description Cristian Aravena 2015-10-29 17:39:14 UTC
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 ]
Comment 1 Ilia Mirkin 2015-10-29 17:44:08 UTC
... 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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