linux-kernel - Re: Commit 4257f7e0 ("PCI/ASPM: Save/restore L1SS Capability for suspend/resume") causing hibernate resume failures

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Message-ID: <8f5111f-3679-b4b6-f86f-71871424843@panix.com>
Date:   Wed, 27 Jan 2021 08:03:39 -0800 (PST)
From:   "Kenneth R. Crudup" <kenny@...ix.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
cc:     Vidya Sagar <vidyas@...dia.com>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: Commit 4257f7e0 ("PCI/ASPM: Save/restore L1SS Capability for
 suspend/resume") causing hibernate resume failures


On Wed, 27 Jan 2021, Bjorn Helgaas wrote:

> > Any new news on this? Disabling "tlp" (which just shifts the problem around
> > on my machine) shouldn't be a solution for this issue.
>
> Agreed; disabling "tlp" is a workaround but not a solution.

Actually, disabling "tlp" doesn't fix the issue; I'd tested this and if IIRC,
if I don't use tlp it doesn't prevent this from happening, it just shifts it
from breaking on hibernate cycles to suspend/resume cycles instead.

	-Kenny

-- 
Kenneth R. Crudup  Sr. SW Engineer, Scott County Consulting, Orange County CA