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2018 Nov 28
0
4.20.0-rc3 nouveau/Quadro P2000 Mobile: runpm causing ACPI errors, lockups
...{
Sleep (One)
}
So basically it polls P0LS register infinitely if the returned value is
less than 3. I suspect this is the issue and it then makes the other
like wifi to fail to execute its methods.
P0LS comes from this operation region:
OperationRegion (OPG0, SystemMemory, (XBAS + 0x8000), 0x1000)
Field (OPG0, AnyAcc, NoLock, Preserve)
{
...
Offset (0x216),
P0LS, 4,
This is some host bridge register but not sure which because XBAS value
cannot be determined from the acpidump.
2018 Nov 28
2
4.20.0-rc3 nouveau/Quadro P2000 Mobile: runpm causing ACPI errors, lockups
...}
>
> So basically it polls P0LS register infinitely if the returned value is
> less than 3. I suspect this is the issue and it then makes the other
> like wifi to fail to execute its methods.
>
> P0LS comes from this operation region:
>
> OperationRegion (OPG0, SystemMemory, (XBAS + 0x8000), 0x1000)
> Field (OPG0, AnyAcc, NoLock, Preserve)
> {
> ...
> Offset (0x216),
> P0LS, 4,
>
> This is some host bridge register but not sure which because XBAS value
> cannot be determined f...
2018 Nov 28
2
4.20.0-rc3 nouveau/Quadro P2000 Mobile: runpm causing ACPI errors, lockups
On Wed, Nov 28, 2018 at 01:08:57PM +0200, Mika Westerberg wrote:
> On Tue, Nov 27, 2018 at 09:49:44PM -0500, Michael S. Tsirkin wrote:
> > On Tue, Nov 27, 2018 at 11:36:50AM +0200, Mika Westerberg wrote:
> > > +linux-acpi
> > >
> > > Hi Michael,
> > >
> > > On Mon, Nov 26, 2018 at 10:53:26PM -0500, Michael S. Tsirkin wrote:
> > >
2018 Nov 28
0
4.20.0-rc3 nouveau/Quadro P2000 Mobile: runpm causing ACPI errors, lockups
...cally it polls P0LS register infinitely if the returned value is
> > less than 3. I suspect this is the issue and it then makes the other
> > like wifi to fail to execute its methods.
> >
> > P0LS comes from this operation region:
> >
> > OperationRegion (OPG0, SystemMemory, (XBAS + 0x8000), 0x1000)
> > Field (OPG0, AnyAcc, NoLock, Preserve)
> > {
> > ...
> > Offset (0x216),
> > P0LS, 4,
> >
> > This is some host bridge register but not sure which because XBAS...