Re: [Regression] 6.1.66, 6.6.5 - wifi: cfg80211: fix CQM for non-range use

["Philip Müller" <philm@manjaro.org>]

On 11.12.23 16:40, Greg Kroah-Hartman wrote:
> On Mon, Dec 11, 2023 at 10:39:26AM +0100, Greg Kroah-Hartman wrote:
>> On Mon, Dec 11, 2023 at 04:26:26PM +0700, Philip Müller wrote:
>>> On 11.12.23 16:25, Greg Kroah-Hartman wrote:
>>>> On Mon, Dec 11, 2023 at 04:02:11PM +0700, Philip Müller wrote:
>>>>> Hi Johannes, hi Greg,
>>>>>
>>>>> Any tree that back-ported 7e7efdda6adb wifi: cfg80211: fix CQM for non-range
>>>>> use that does not contain 076fc8775daf wifi: cfg80211: remove wdev mutex
>>>>> (which does not apply cleanly to 6.6.y or 6.6.1) will be affected.
>>>>>
>>>>> You can find a downstream bug report at Arch Linux:
>>>>>
>>>>> https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/issues/17
>>>>>
>>>>> So we should either revert 7e7efdda6adb or backport the needed to those
>>>>> kernel series. 6.7.y is reported to work with 6.7.0-rc4.
>>>>
>>>> Yeah, this looks bad, I'll go just revert this for now and push out a
>>>> new release with the fix as lots of people are hitting it.
>>>>
>>>> thanks,
>>>>
>>>> greg k-h
>>>
>>>
>>> Hi Greg,
>>>
>>> there is actually a fix for it:
>>>
>>> https://www.spinics.net/lists/stable/msg703040.html
>>
>> That "fix" was not cc:ed to any of the wifi developers and would need a
>> lot of review before I feel comfortable accepting it, as I said in the
>> response to that message.
>>
>> Also, please point to lore.kernel.org lists, it's much easier to handle
>> as we don't have any control over any other archive web site.
> 
> Also, have you tested that proposed fix?
> 
> thanks,
> 
> greg k-h

Not yet. Currently build kernels on my end to see if it fixes the 
regression. A revert of the patch is confirmed to work also by users who 
have the issue. I can check with mine, when I've released a kernel with 
Léo Lam's fix.

-- 
Best, Philip