linux-kernel - Re: nouveau regression with 5.7 caused by "PCI/PM: Assume ports without DLL Link Active train links in 100 ms"

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Message-ID: <f951fba07ca7fa2fdfd590cd5023d1b31f515fa2.camel@redhat.com>
Date:   Tue, 21 Jul 2020 11:01:55 -0400
From:   Lyude Paul <lyude@...hat.com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Karol Herbst <kherbst@...hat.com>
Cc:     Bjorn Helgaas <helgaas@...nel.org>,
        Linux PCI <linux-pci@...r.kernel.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        nouveau <nouveau@...ts.freedesktop.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Patrick Volkerding <volkerdi@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: nouveau regression with 5.7 caused by "PCI/PM: Assume ports
 without DLL Link Active train links in 100 ms"

Sure thing. Also, feel free to let me know if you'd like access to one of the
systems we saw breaking with this patch - I'm fairly sure I've got one of them
locally at my apartment and don't mind setting up AMT/KVM/SSH

On Tue, 2020-07-21 at 15:22 +0300, Mika Westerberg wrote:
> Hi,
> 
> [Sorry for the delay, I was on vacation]
> 
> On Fri, Jul 17, 2020 at 01:32:10PM +0200, Karol Herbst wrote:
> > Filed at https://bugzilla.kernel.org/show_bug.cgi?id=208597
> 
> Thanks for reporting.
> 
> I'll check your logs and try to figure if there is something we can do
> to make both nouveau and TBT working at the same time.
> 
> > oddly enough I wasn't able to reproduce it on my XPS 9560, will ping
> > once something breaks.
-- 
Cheers,
	Lyude Paul (she/her)
	Software Engineer at Red Hat