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From:   Len Brown <lenb@kernel.org>
Date:   Wed, 12 Jan 2022 13:14:18 -0500
Message-ID: <CAJvTdK=2z9L1j4BA2WKTtfHitj3wYKQwGipwJn5KorEVBbT9ZA@mail.gmail.com>
Subject: Re: iwlwifi 0000:3a:00.0: Microcode SW error detected. Restarting 0x2000000.
To:     "Coelho, Luciano" <luciano.coelho@intel.com>
Cc:     "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
        "johannes@sipsolutions.net" <johannes@sipsolutions.net>
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for 5.16, the no clean revert, so I'll grab your patch from e-mail shortly.

On Wed, Jan 12, 2022 at 10:42 AM Coelho, Luciano
<luciano.coelho@intel.com> wrote:
>
> On Wed, 2022-01-12 at 09:58 -0500, Len Brown wrote:
> > On Wed, Jan 12, 2022 at 4:05 AM Coelho, Luciano
> > <luciano.coelho@intel.com> wrote:
> >
> > > There was some refactoring in this area, to move the initialization to
> > > the init phase, and that must be causing this.  I suspect this patch:
> > >
> > > commit 78a19d5285d93e281b40c3b8d5a959fbbd2fe006
> > > Author:     Miri Korenblit <miriam.rachel.korenblit@intel.com>
> > > AuthorDate: Thu Aug 5 14:21:56 2021 +0300
> > > Commit:     Luca Coelho <luciano.coelho@intel.com>
> > > CommitDate: Thu Aug 26 23:36:10 2021 +0300
> > >
> > >     iwlwifi: mvm: Read the PPAG and SAR tables at INIT stage
> > >
> > > ...which was introduced in v5.15.
> >
> > good guess!
> > I have confirmed that upstream 5.14 works, and that 5.15 with the
> > commit above reverted works.
>
> Did you have a chance to test the patch I sent? I'm almost sure it
> will, but it would be nice to get a confirmation. :)
>
> --
> Cheers,
> Luca.


-- 
Len Brown, Intel Open Source Technology Center