[TLDR: This mail in primarily relevant for Linux kernel regression tracking. See link in footer if these mails annoy you.] On 20.03.23 17:04, Mark Rutland wrote: > On Mon, Mar 20, 2023 at 01:52:47PM +0000, Mark Rutland wrote: >> On Tue, Mar 14, 2023 at 11:00:04PM +0000, Alexey Klimov wrote: >>> #regzbot introduced: 0c5ffc3d7b15 >>> #regzbot title: CPUIDLE_FLAG_RCU_IDLE, blk_mq_freeze_queue_wait() and slow-stuck reboots >>> >>> The upstream changes are being merged into android-mainline repo and at some >>> point we started to observe kernel panics on reboot or long reboot times. >> >> Where can I find the android-mainline repo, and which specific branch/commit >> from that repo is being merged in? > > I assume that was the android-mainline branch in: > > https://android.googlesource.com/kernel/common/ > > ... and I had a go with commit: > > 8338670fd5bdf8d7 ("Merge "Merge 36289a03bcd3 ("Merge tag 'v6.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6") into android-mainline" into android-mainline") > > ... as that was the commit immediately before your local revert: > > a32cec8e3f2253bc ("ANDROID: Revert "cpuidle, dt: Push RCU-idle into driver") > > Testing on Juno R2 with defconfig + PROVE_LOCKING=y + DEBUG_LOCKDEP=y, I cannot > reproduce the reboot issue; everything seems to work just fine. > > Can you say which config you're using? > > Just to check: are you using a pristine version of that tree, or do you have > any vendor hooks present? I note that there are special hooks added to the > cpuidle and PSCI code, and I can imagine those might expect the old behaviour > w.r.t. RCU and idle, so ruling those out would help. No reply to this since more than 10 days afaics, hence for now assuming that this is not really a regression. #regzbot inconclusive: another dev could not reproduce issue; reporter MIA and might have used a patched tree #regzbot ignore-activity Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr That page also explains what to do if mails like this annoy you.
