Thank you very much for your report and all the work of bisecting, Thomas! If you have a chance, can you collect the "sudo lspci -vv" output (the one attached doesn't include the ASPM info, probably because lspci wasn't run as root), and also a complete dmesg log from before the suspend? On Mon, Jan 02, 2023 at 02:02:51PM +0000, bugzilla-daemon@xxxxxxxxxx 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. > > My Laptop is a Tuxedo Infinitybook S 14 v5, as far as I can tell > they 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 > > after that, the level of interaction I still have with the laptop > varies, but It cannot run dmesg and it cannot do a clean reboot. The > issue occurs on every suspend/resume cycle.
