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@xxxxxxxxxxxxxxx # v6.1+ > Reported-by: Thomas Witt <kernel@xxxxxxxxx> > Tested-by: Thomas Witt <kernel@xxxxxxxxx> > Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > Cc: Vidya Sagar <vidyas@xxxxxxxxxx>