Messages in this thread | | | Date | Sat, 4 Feb 2023 18:45:25 +0100 | From | Lukas Wunner <> | Subject | Re: [PATCH 2/2] Revert "PCI/ASPM: Refactor L1 PM Substates Control Register programming" |
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On Fri, Feb 03, 2023 at 04:48:20PM -0600, Bjorn Helgaas wrote: > Thomas Witt reported that 5e85eba6f50d ("PCI/ASPM: Refactor L1 PM Substates > Control Register programming") broke suspend/resume on a Tuxedo > Infinitybook S 14 v5, which seems to use a Clevo L140CU Mainboard. > > The main symptom is: > > iwlwifi 0000:02:00.0: Unable to change power state from D3hot to D0, device inaccessible > nvme 0000:03:00.0: Unable to change power state from D3hot to D0, device inaccessible > > and the machine is only partially usable after resume. It can't run dmesg > and can't do a clean reboot. This happens on every suspend/resume cycle. > > Revert 5e85eba6f50d until we can figure out the root cause. > > Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=216877
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216877 Fixes: 5e85eba6f50d ("PCI/ASPM: Refactor L1 PM Substates Control Register programming") Cc: stable@vger.kernel.org # v6.1+
> Reported-by: Thomas Witt <kernel@witt.link> > Tested-by: Thomas Witt <kernel@witt.link> > Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> > Cc: Vidya Sagar <vidyas@nvidia.com>
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