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Message-ID: <ba98ad17-53b0-1f76-70f7-10d37d279f9d@witt.link>
Date: Wed, 4 Jan 2023 09:44:25 +0100
From: Thomas Witt <thomas@...t.link>
To: Bjorn Helgaas <helgaas@...nel.org>, Vidya Sagar <vidyas@...dia.com>
Cc: Thomas Witt <kernel@...t.link>, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org
Subject: Re: [Bug 216877] New: Regression in PCI powermanagement breaks resume
after suspend
On 04/01/2023 01:30, Bjorn Helgaas wrote:
> On Mon, Jan 02, 2023 at 11:15:16AM -0600, Bjorn Helgaas wrote:
>> On Mon, Jan 02, 2023 at 02:02:51PM +0000, bugzilla-daemon@...nel.org wrote:
>>> https://bugzilla.kernel.org/show_bug.cgi?id=216877
>>>
>>> Bug ID: 216877
>>> Summary: Regression in PCI powermanagement breaks resume after
>>> suspend
>>> Kernel Version: 6.0.0-rc1
>>>
>>> Created attachment 303512
>>> --> https://bugzilla.kernel.org/attachment.cgi?id=303512&action=edit
>>> output of git bisect log
>>>
>>> After commit 5e85eba6f50dc288c22083a7e213152bcc4b8208 "PCI/ASPM:
>>> Refactor L1 PM Substates Control Register programming" my Laptop
>>> does not resume PCI devices back from suspend.
>
> Thomas, could you try the debug patch below on top of v6.2-rc1?
>
Thank you for that patch Bjorn, but as far as I can see it does not
change anything.
View attachment "dmesg" of type "text/plain" (81885 bytes)
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