Re: Linux regressions report for mainline [2023-09-24]

[Greg KH <gregkh@linuxfoundation.org>]

On Sun, Sep 24, 2023 at 04:17:40PM +0000, Regzbot (on behalf of Thorsten Leemhuis) wrote:
> (2) Nearly six weeks ago there was a report that 101bd907b4244a ("misc:
> rtsx: judge ASPM Mode to set PETXCFG Reg") [v6.5-rc6, v6.4.11, v6.1.46,
> v5.15.127] broke booting various laptops (many or all of them are Dell).
> This apparently plagues quite a few users, hence there were multiple
> reports (see [2] for those I'm aware of). At least Fedora, openSUSE, and
> nixOS have meanwhile reverted the change in their latest stable kernels
> [3]. I one and a half week proposed to revert the culprit when I fully
> noticed it's impact, but Greg wanted to give the developers more time.
> We finally have a fix in sight now [5]; someone affected replied that it
> helps. Not sure what's the right way forward now. But overall this to me
> feels a lot like "this is not how a regression should be handled".
> That's why I wanted to bring it up here in case to ensure your are aware
> of this.

We now have confirmed testing that the proposed fix resolves the issue
so I'll be getting it to Linus in time for the next -rc.  I've been
traveling all last week and this week for conferences so my response
times have been a bit slow, sorry.

thanks,

greg k-h