Messages in this thread | | | Date | Mon, 13 Jun 2022 20:46:22 +0100 | From | Ken Moffat <> | Subject | Re: regression, 5.19.0-rc1 not powering off when hibernated |
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On Sat, Jun 11, 2022 at 06:23:32PM +0100, Ken Moffat wrote: > On Sat, Jun 11, 2022 at 03:53:44PM +0200, Thorsten Leemhuis wrote: > > Hi, this is your Linux kernel regression tracker. > > > > CCing the regression mailing list, as it should be in the loop for all > > regressions, as explained here: > > https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html > > Also CCing the hibernation maintainers and Linux-pm. > > > > On 09.06.22 01:55, Ken Moffat wrote: > > > Up to 5.18.0 hibernation has worked ok on my ryzen 5 3400G : screen > > > blanks, disk activity for the write to swap, screen briefly has a > > > trashed display, machine powers off. When powering up from > > > hibernation, after the saved files are loaded X starts with a > > > briefly trashed display before my desktop reappears. > > > > > > But with 5.19.0-rc1 the screen is blank throughtout the hibernation, > > > and briefly when restoring (no complaint about that), but when > > > hibernating it no longer powers off and I have to hold the on/off > > > switch to power off. > > > > > > Is this a known problem ? > > > > Thanks for the report. Maybe the hibernation maintainers might know, but > > often issues like this are caused by other things like drivers. If they > > don#t have a idea, you likely need to do a bisection to get down to the > > change that introduced this regressions. > > > > Anyway: To be sure below issue doesn't fall through the cracks > > unnoticed, I'm adding it to regzbot, my Linux kernel regression tracking > > bot: > > > > #regzbot ^introduced v5.18..v5.19-rc1 > > #regzbot title hibernate: Not powering off when hibernated > > #regzbot ignore-activity > > > > This isn't a regression? This issue or a fix for it are already > > discussed somewhere else? It was fixed already? You want to clarify when > > the regression started to happen? Or point out I got the title or > > something else totally wrong? Then just reply -- ideally with also > > telling regzbot about it, as explained here: > > https://linux-regtracking.leemhuis.info/tracked-regression/ > > > > Reminder for developers: When fixing the issue, add 'Link:' tags > > pointing to the report (the mail this one replied to), as the kernel's > > documentation call for; above page explains why this is important for > > tracked regressions. > > > > Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) > > > > P.S.: As the Linux kernel's regression tracker I deal with a lot of > > reports and sometimes miss something important when writing mails like > > this. If that's the case here, don't hesitate to tell me in a public > > reply, it's in everyone's interest to set the public record straight. > > Thanks. I've started to bisect, but I've got a lot else on and it > might be a few days before I get a result. All I know so far is > that whatever got rid of the garbled screens was fine, and the > problem seems to have arisen in the last 800+ commits for 5.19-rc1. > I think I must have gone wrong somewhere in that bisection, it took me through a load of habanalabs commits which were all good, and blamed the merge which for this which *was* definitely bad, but seems to have nothing related to the box not powering off on hibernation::
[6f9b5ed8caddfbc94af8307c557ed57a8ec5c65c] Merge tag 'char-misc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Not Cc'ing Greg at this point, I really don't believe that result.
Starting over.
ĸen ----
Details from this run, with resulting kernel versions -
git bisect start git bisect good v5.18 git bisect bad v5.19-rc1
Bisecting: 7030 revisions left to test after this (roughly 13 steps) [2518f226c60d8e04d18ba4295500a5b0b8ac7659] Merge tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm
5.18.0-06942-g2518f226c60d
git bisct good
Bisecting: 3527 revisions left to test after this (roughly 12 steps) [aef1ff15927421a55312b4b9b2881a89a344bd80] Merge tag 'jfs-5.19' of https://github.com/kleikamp/linux-shaggy
5.18.0-10445-gaef1ff159274
git bisect good
Bisecting: 834 revisions left to test after this (roughly 10 steps) [54c2cc79194c961a213c1d375fe3aa4165664cc4] Merge tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
5.18.0-13138-g54c2cc79194c
git bisect good
Bisecting: 428 revisions left to test after this (roughly 9 steps) [7036440eab3e2d47a775d4616909f8235488d714] ARM: omap1: enable multiplatform
5.18.0-13544-g7036440eab3e
git bisect bad
Bisecting: 203 revisions left to test after this (roughly 8 steps) [46ee6bcac9838b7f74ff91f9cf38511c901ea9c5] Merge tag 'mhi-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-work-next
5.18.0-rc5-00202-g46ee6bcac983
git bisect good
Bisecting: 99 revisions left to test after this (roughly 7 steps) [dc6a7effb48e7267c9f1314e3aa8cfe539bd6096] Merge tag 'lkdtm-next' of https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux into char-misc-next
5.18.0-rc5-00306-gdc6a7effb48e
git bisect good
Bisecting: 49 revisions left to test after this (roughly 6 steps) [b19768d81a6bd1591872952075ff9d960bd4e8d8] habanalabs/gaudi: increase submission resources
5.18.0-rc5-00356-gb19768d81a6b
git bisect good
Bisecting: 24 revisions left to test after this (roughly 5 steps) [ab4ea5872842766b0155b2517db61a4ae99d98e0] habanalabs: use for_each_sgtable_dma_sg for dma sgt
5.18.0-rc5-00381-gab4ea5872842
git bisect good
Bisecting: 12 revisions left to test after this (roughly 4 steps) [c37803388c95833c4728b089e6c94996dc457d95] habanalabs: handle race in driver fini
5.18.0-rc5-00393-gc37803388c95
git bisect good
Bisecting: 6 revisions left to test after this (roughly 3 steps) [83617f5a87f4ad8403bf1177708fedc98b0a1059] habanalabs: order memory manager messages
5.18.0-rc5-00399-g83617f5a87f4
git bisect good
Bisecting: 3 revisions left to test after this (roughly 2 steps) [f873a27fd50d161111d0e52087af0f5b2111c5c4] habanalabs: fix missing handle shift during mmap
5.18.0-rc5-00402-gf873a27fd50d
git bisect good
Bisecting: 1 revision left to test after this (roughly 1 step) [6f9b5ed8caddfbc94af8307c557ed57a8ec5c65c] Merge tag 'char-misc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
5.18.0-13542-g6f9b5ed8cadd bad
git bisect bad
Bisecting: 0 revisions left to test after this (roughly 0 steps) [90de6805267f8c79cd2b1a36805071e257c39b5c] habanalabs: use separate structure info for each error collect data
5.18.0-rc5-00403-g90de6805267f
git bisect good
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