Re: Fw: [Bug 215129] New: Linux kernel hangs during power down #forregzbot

[Thorsten Leemhuis <regressions@leemhuis.info>]

For the record:

#regzbot fixed-by: ac8c58f5b535d627

On 04.12.21 09:55, Thorsten Leemhuis wrote:
> Top-posting for once, to make this easy accessible to everyone.
> 
> A fix is discussed here:
> 
> #regzbot link https://bugzilla.kernel.org/show_bug.cgi?id=215129
> #regzbot monitor
> https://lore.kernel.org/all/6bb28d2f-4884-7696-0582-c26c35534bae@gmail.com/
> 
> Ciao, Thorsten, your Linux kernel regression tracker.
> 
> TWIMC: this mail is primarily send for documentation purposes and for
> regzbot, my Linux kernel regression tracking bot. These mails usually
> contain '#forregzbot' in the subject, to make them easy to spot and filter.
> 
> P.S.: I guess I'll modify regzbot to automatically catch related
> discussions if they links to the same bugzilla ticket (which I forgot to
> tell regzbot about when I told it about the regression), then messages
> like this wouldn't be needed.
> 
> 
> On 25.11.21 12:17, Thorsten Leemhuis wrote:
>> Hi, this is your Linux kernel regression tracker speaking.
>>
>> On 24.11.21 23:45, Stephen Hemminger wrote:
>>>
>>>
>>> Begin forwarded message:
>>>
>>> Date: Wed, 24 Nov 2021 21:14:53 +0000
>>> From: bugzilla-daemon@bugzilla.kernel.org
>>> To: stephen@networkplumber.org
>>> Subject: [Bug 215129] New: Linux kernel hangs during power down
>>>
>>>
>>> https://bugzilla.kernel.org/show_bug.cgi?id=215129
>>>
>>>             Bug ID: 215129
>>>            Summary: Linux kernel hangs during power down
>>>            Product: Networking
>>>            Version: 2.5
>>>     Kernel Version: 5.15
>>>           Hardware: All
>>>                 OS: Linux
>>>               Tree: Mainline
>>>             Status: NEW
>>>           Severity: normal
>>>           Priority: P1
>>>          Component: Other
>>>           Assignee: stephen@networkplumber.org
>>>           Reporter: martin.stolpe@gmail.com
>>>         Regression: No
>>>
>>> Created attachment 299703
>>>   --> https://bugzilla.kernel.org/attachment.cgi?id=299703&action=edit  
>>> Kernel log after timeout occured
>>>
>>> On my system the kernel is waiting for a task during shutdown which doesn't
>>> complete.
>>>
>>> The commit which causes this behavior is:
>>> [f32a213765739f2a1db319346799f130a3d08820] ethtool: runtime-resume netdev
>>> parent before ethtool ioctl ops
>>>
>>> This bug causes also that the system gets unresponsive after starting Steam:
>>> https://steamcommunity.com/app/221410/discussions/2/3194736442566303600/
>>
>> TWIMC: To be sure this issue doesn't fall through the cracks unnoticed,
>> I'm adding it to regzbot, my Linux kernel regression tracking bot:
>>
>> #regzbot ^introduced f32a213765739f2a1db319346799f130a3d08820
>> #regzbot title net: kernel hangs during power down
>> #regzbot ignore-activity
>>
>> Ciao, Thorsten, your Linux kernel regression tracker.
>>
>> P.S.: As a Linux kernel regression tracker I'm getting a lot of reports
>> on my table. I can only look briefly into most of them. Unfortunately
>> therefore I sometimes will get things wrong or miss something important.
>> I hope that's not the case here; if you think it is, don't hesitate to
>> tell me about it in a public reply. That's in everyone's interest, as
>> what I wrote above might be misleading to everyone reading this; any
>> suggestion I gave they thus might sent someone reading this down the
>> wrong rabbit hole, which none of us wants.
>>
>> BTW, I have no personal interest in this issue, which is tracked using
>> regzbot, my Linux kernel regression tracking bot
>> (https://linux-regtracking.leemhuis.info/regzbot/). I'm only posting
>> this mail to get things rolling again and hence don't need to be CC on
>> all further activities wrt to this regression.
>>
>> P.S.: If you want to know more about regzbot, check out its
>> web-interface, the getting start guide, and/or the references documentation:
>>
>> https://linux-regtracking.leemhuis.info/regzbot/
>> https://gitlab.com/knurd42/regzbot/-/blob/main/docs/getting_started.md
>> https://gitlab.com/knurd42/regzbot/-/blob/main/docs/reference.md
>>
>> The last two documents will explain how you can interact with regzbot
>> yourself if your want to.
>>
>> Hint for the reporter: when reporting a regression it's in your interest
>> to tell #regzbot about it in the report, as that will ensure the
>> regression gets on the radar of regzbot and the regression tracker.
>> That's in your interest, as they will make sure the report won't fall
>> through the cracks unnoticed.
>>
>> Hint for developers: you normally don't need to care about regzbot, just
>> fix the issue as you normally would. Just remember to include a 'Link:'
>> tag to the report in the commit message, as explained in
>> Documentation/process/submitting-patches.rst
>> That aspect was recently was made more explicit in commit 1f57bd42b77c:
>> https://git.kernel.org/linus/1f57bd42b77c
>>
> 
>