On Wed, 2019-11-27 at 12:51 +0100, Karol Herbst wrote: > On Wed, Nov 27, 2019 at 12:49 PM Mika Westerberg > <mika.westerberg@xxxxxxxxx> wrote: > > On Tue, Nov 26, 2019 at 06:10:36PM -0500, Lyude Paul wrote: > > > Hey-this is almost certainly not the right place in this thread to > > > respond, > > > but this thread has gotten so deep evolution can't push the subject > > > further to > > > the right, heh. So I'll just respond here. > > > > :) > > > > > I've been following this and helping out Karol with testing here and > > > there. > > > They had me test Bjorn's PCI branch on the X1 Extreme 2nd generation, > > > which > > > has a turing GPU and 8086:1901 PCI bridge. > > > > > > I was about to say "the patch fixed things, hooray!" but it seems that > > > after > > > trying runtime suspend/resume a couple times things fall apart again: > > > > You mean $subject patch, no? > > > > no, I told Lyude to test the pci/pm branch as the runpm errors we saw > on that machine looked different. Some BAR error the GPU reported > after it got resumed, so I was wondering if the delays were helping > with that. But after some cycles it still caused the same issue, that > the GPU disappeared. Later testing also showed that my patch also > didn't seem to help with this error sadly :/ > > > > [ 686.883247] nouveau 0000:01:00.0: DRM: suspending object tree... > > > [ 752.866484] ACPI Error: Aborting method \_SB.PCI0.PEG0.PEGP.NVPO due > > > to previous error (AE_AML_LOOP_TIMEOUT) (20190816/psparse-529) > > > [ 752.866508] ACPI Error: Aborting method \_SB.PCI0.PGON due to > > > previous error (AE_AML_LOOP_TIMEOUT) (20190816/psparse-529) > > > [ 752.866521] ACPI Error: Aborting method \_SB.PCI0.PEG0.PG00._ON due > > > to previous error (AE_AML_LOOP_TIMEOUT) (20190816/psparse-529) > > > > This is probably the culprit. The same AML code fails to properly turn > > on the device. > > > > Is acpidump from this system available somewhere? Attached it to this email > > -- Cheers, Lyude Paul
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