Hi, On 3/10/22 11:56, Rafael J. Wysocki wrote: > On Thu, Mar 10, 2022 at 10:07 AM Hans de Goede <hdegoede@xxxxxxxxxx> wrote: >> >> Hi, >> >> On 3/9/22 19:27, Rafael J. Wysocki wrote: >>> On Wed, Mar 9, 2022 at 5:34 PM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote: >>>> >>>> On Wed, Mar 9, 2022 at 5:33 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote: >>>>> >>>>> Hi, >>>>> >>>>> On 3/9/22 14:57, Rafael J. Wysocki wrote: >>>>>> On Wed, Mar 9, 2022 at 2:44 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote: >>>>>>> >>>>>>> Hi Rafael, >>>>>>> >>>>>>> We (Fedora) have been receiving a whole bunch of bug reports about >>>>>>> laptops getting hot/toasty while suspended with kernels >= 5.16.10 >>>>>>> and this seems to still happen with 5.17-rc7 too. >>>>>>> >>>>>>> The following are all bugzilla.redhat.com bug numbers: >>>>>>> >>>>>>> 1750910 - Laptop failed to suspend and completely drained the battery >>>>>>> 2050036 - Framework laptop: 5.16.5 breaks s2idle sleep >>>>>>> 2053957 - Package c-states never go below C2 >>>>>>> 2056729 - No lid events when closing lid / laptop does not suspend >>>>>>> 2057909 - Thinkpad X1C 9th in s2idle suspend still draining battery to zero over night , Ap >>>>>>> 2059668 - HP Envy Laptop deadlocks on entering suspend power state when plugged in. Case ge >>>>>>> 2059688 - Dell G15 5510 s2idle fails in 5.16.11 works in 5.16.10 >>>>>>> >>>>>>> And one of the bugs has also been mirrored at bugzilla.kernel.org by >>>>>>> the reporter: >>>>>>> >>>>>>> bko215641 - Dell G15 5510 s2idle fails in 5.16.11 works in 5.16.10 >>>>>>> >>>>>>> The common denominator here (besides the kernel version) seems to >>>>>>> be that these are all Ice or Tiger Lake systems (I did not do >>>>>>> check this applies 100% to all bugs, but it does see, to be a pattern). >>>>>>> >>>>>>> A similar arch-linux report: >>>>>>> >>>>>>> https://bbs.archlinux.org/viewtopic.php?id=274292&p=2 >>>>>>> >>>>>>> Suggest that reverting >>>>>>> "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE" >>>>>>> >>>>>>> which was cherry-picked into 5.16.10 fixes things. >>>>>> >>>>>> Thanks for letting me know! >>>>>> >>>>>>> If you want I can create Fedora kernel test-rpms of a recent >>>>>>> 5.16.y with just that one commit reverted and ask users to >>>>>>> confirm if that helps. Please let me know if doing that woulkd >>>>>>> be useful ? >>>>>> >>>>>> Yes, it would. >>>>>> >>>>>> However, it follows from the arch-linux report linked above that >>>>>> 5.17-rc is fine, so it would be good to also check if reverting that >>>>>> commit from 5.17-rc helps. >>>>> >>>>> Ok, I've done Fedora kernel builds of both 5.16.13 and 5.17-rc7 with >>>>> the patch reverted and asked the bug-reporters to test both. >>>> >>>> Thanks! >>> >>> Also, in the cases where people have not tested 5.17-rc7 without any >>> reverts, it would be good to ask them to do so. >> >> Ok, done. >> >>> I have received another report related to this issue where the problem >>> is not present in 5.17-rc7 (see >>> https://lore.kernel.org/linux-pm/CAJZ5v0hKXyTtb1Jk=wqNV9_mZKdf3mmwF4bPOcmADyNnTkpMbQ@xxxxxxxxxxxxxx/). >> >> The first results from the Fedora test kernel builds are in: >> >> "HP Envy Laptop deadlocks on entering suspend power state when plugged in. Case gets very hot and requires a power button hold to restart" >> https://bugzilla.redhat.com/show_bug.cgi?id=2059668 >> >> 5.16.9: good >> 5.16.10+: bad >> 5.16.13 with "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE" reverted: good >> 5.17-rc7 with "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE" reverted: good >> 5.17-rc7 (plain): good >> >> So this seems to match the arch-linux report and the email report >> you linked. There is a problem with the backport in 5.16.10+, >> while 5.17-rc7 is fine. >> >>> It is likely that the commit in question actually depends on some >>> other commits that were not backported into 5.16.y. >> I was thinking the same thing, but I've no idea which commits >> that would be. > > I do have an idea, but regardless of this, IMO the least risky way > forward would be to request "stable" to drop "ACPI: PM: s2idle: Cancel > wakeup before dispatching EC GPE" which has been backported, because > it carried a Fixes tag and not because it was marked for "stable". > > Let me do that. Ok, that sounds good, thank you. Regards, Hans