Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8EECEC636D4 for ; Wed, 15 Feb 2023 10:36:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234081AbjBOKgj (ORCPT ); Wed, 15 Feb 2023 05:36:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234071AbjBOKgf (ORCPT ); Wed, 15 Feb 2023 05:36:35 -0500 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [80.237.130.52]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B146C40F2 for ; Wed, 15 Feb 2023 02:36:33 -0800 (PST) Received: from [2a02:8108:8980:2478:8cde:aa2c:f324:937e]; authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1pSF9J-0005s3-Ku; Wed, 15 Feb 2023 11:36:29 +0100 Message-ID: Date: Wed, 15 Feb 2023 11:36:29 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.2 Subject: Re: linux-6.2-rc4+ hangs on poweroff/reboot: Bisected Content-Language: en-US, de-DE To: Chris Clayton , Dave Airlie Cc: Linux regressions mailing list , Karol Herbst , Ben Skeggs , bskeggs@redhat.com, Lyude Paul , ML nouveau , LKML , ML dri-devel References: <3ab28896-70e9-6f90-5b97-e5397b06e715@googlemail.com> <1cdb84ac-f7a8-66ba-98fc-3db302b49a5a@googlemail.com> <1632a9ef-2954-c8f0-cdc9-03157c9d8547@googlemail.com> <5abbee70-cc84-1528-c3d8-9befd9edd611@googlemail.com> <5cf46df8-0fa2-e9f5-aa8e-7f7f703d96dd@googlemail.com> <4e786e22-f17a-da76-5129-8fef0c7c825a@googlemail.com> From: "Linux regression tracking #update (Thorsten Leemhuis)" Reply-To: Linux regressions mailing list In-Reply-To: <4e786e22-f17a-da76-5129-8fef0c7c825a@googlemail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1676457393;5a3fea7a; X-HE-SMSGID: 1pSF9J-0005s3-Ku Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13.02.23 10:14, Chris Clayton wrote: > On 13/02/2023 02:57, Dave Airlie wrote: >> On Sun, 12 Feb 2023 at 00:43, Chris Clayton 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) 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. [...] FWIW, in case anyone strands here in the archives: the msg was truncated. The full post can be found in a new thread: https://lore.kernel.org/lkml/e0b80506-b3cf-315b-4327-1b988d86031e@googlemail.com/ Sadly it seems the info "With runpm=0, both reboot and poweroff work on my laptop." didn't bring us much further to a solution. :-/ I don't really like it, but for regression tracking I'm now putting this on the back-burner, as a fix is not in sight. #regzbot monitor: https://lore.kernel.org/lkml/e0b80506-b3cf-315b-4327-1b988d86031e@googlemail.com/ #regzbot backburner: hard to debug and apparently rare #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. #regzbot ignore-activity