Re: [REGRESSION] Kernel 5.15 reboots / freezes upon ifup/ifdown

[Thorsten Leemhuis <regressions@leemhuis.info>]

On 24.11.21 08:48, Thorsten Leemhuis wrote:
> Hi, this is your Linux kernel regression tracker speaking.
> 
> On 24.11.21 08:28, Stefan Dietrich wrote:
>> Summary: When attempting to rise or shut down a NIC manually or via
>> network-manager under 5.15, the machine reboots or freezes.
>>
>> Occurs with: 5.15.4-051504-generic and earlier 5.15 mainline (
>> https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.15.4/) as well as
>> liquorix flavours.
>> Does not occur with: 5.14 and 5.13 (both with various flavours)
> 
> Thx for the report. Small detail: you CCed the stable list, but this
> afaics is a mainline regression. Likely one in the network subsystem, so
> it might be good to get the mailing list where the network developer
> hang out in the loop. But as Greg already said: a bisection would help a
> lot to find the root cause and thus the developers that need to take
> care of this.
> 
> Anyway, 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 v5.14..v5.15
> #regzbot ignore-activity
> 
> Ciao, Thorsten, your Linux kernel regression tracker.
> 
> 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

Update the status:

#regzbot introduced a90ec84837325df4b9a6798c2cc0df202b5680bd
#regzbot ignore-activity