Proof, if any where needed, that I should consume more coffee before dealing with email... Adding cc recipients that were dropped in my message this morning. -------- Forwarded Message -------- Subject: Re: linux-6.2-rc4+ hangs on poweroff/reboot: Bisected Date: Mon, 13 Feb 2023 09:21:10 +0000 From: Chris Clayton <chris2553@xxxxxxxxxxxxxx> To: Dave Airlie <airlied@xxxxxxxxx> [ Apologies for the incomplete message I sent a few minutes ago. I should have had more coffee before I started dealing with email. ] On 13/02/2023 02:57, Dave Airlie wrote: > On Sun, 12 Feb 2023 at 00:43, Chris Clayton <chris2553@xxxxxxxxxxxxxx> wrote: >> >> >> >> On 10/02/2023 19:33, Linux regression tracking (Thorsten Leemhuis) wrote: >>> On 10.02.23 20:01, Karol Herbst wrote: >>>> On Fri, Feb 10, 2023 at 7:35 PM Linux regression tracking (Thorsten >>>> Leemhuis) <regressions@xxxxxxxxxxxxx> wrote: >>>>> >>>>> On 08.02.23 09:48, Chris Clayton wrote: >>>>>> >>>>>> I'm assuming that we are not going to see a fix for this regression before 6.2 is released. >>>>> >>>>> Yeah, looks like it. That's unfortunate, but happens. But there is still >>>>> time to fix it and there is one thing I wonder: >>>>> >>>>> Did any of the nouveau developers look at the netconsole captures Chris >>>>> posted more than a week ago to check if they somehow help to track down >>>>> the root of this problem? >>>> >>>> I did now and I can't spot anything. I think at this point it would >>>> make sense to dump the active tasks/threads via sqsrq keys to see if >>>> any is in a weird state preventing the machine from shutting down. >>> >>> Many thx for looking into it! >> >> Yes, thanks Karol. >> >> Attached is the output from dmesg when this block of code: >> >> /bin/mount /dev/sda7 /mnt/sda7 >> /bin/mountpoint /proc || /bin/mount /proc >> /bin/dmesg -w > /mnt/sda7/sysrq.dmesg.log & >> /bin/echo t > /proc/sysrq-trigger >> /bin/sleep 1 >> /bin/sync >> /bin/sleep 1 >> kill $(pidof dmesg) >> /bin/umount /mnt/sda7 >> >> is executed immediately before /sbin/reboot is called as the final step of rebooting my system. >> >> I hope this is what you were looking for, but if not, please let me know what you need > Thanks, Dave. > Another shot in the dark, but does nouveau.runpm=0 help at all? > Yes, it does. With runpm=0, both reboot and poweroff work on my laptop. Of course, it also means that the discrete (NVidia) GPU is now powered on permanently. Chris > Dave.
