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From:   =?UTF-8?B?w43DsWlnbyBIdWd1ZXQ=?= <ihuguet@redhat.com>
Date:   Wed, 5 Oct 2022 11:50:56 +0200
Message-ID: <CACT4oufKgUG5n6Ocgi6r-Z=+Nt9vNVK1e5dJDccogmd8h7xM8Q@mail.gmail.com>
Subject: Re: iwlwifi: AC9560 firmware crash with iwlwifi-QuZ-a0-jf-b0 versions
 above 55
To:     Johannes Berg <johannes@sipsolutions.net>
Cc:     gregory.greenman@intel.com, golan.ben.ami@intel.com,
        jonathan.sade@intel.com,
        Linux List Kernel Mailing <linux-wireless@vger.kernel.org>,
        linux-bluetooth@vger.kernel.org,
        Jose Ignacio Tornos Martinez <jtornosm@redhat.com>,
        Laura Trivelloni <ltrivell@redhat.com>
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On Wed, Oct 5, 2022 at 11:35 AM Johannes Berg <johannes@sipsolutions.net> w=
rote:
>
> On Fri, 2022-09-09 at 12:41 +0200, =C3=8D=C3=B1igo Huguet wrote:
> > With an AC9560 installed on a system with Quasar (11th gen processor,
> > in my case) we're getting a firmware crash as soon as you try to do
> > something with the card. The problem doesn't happen with the card
> > installed in older platforms (8th / 9th gen), and it neither happens
> > with firmware iwlwifi-QuZ-a0-jf-b0-55 version, but yes with any other
> > newer version.
> >
> > I've tried different versions of kernel and firmware, including the
> > latest kernel and linux-firmware available today, and all of them fail
> > unless I remove all fw files above version 55.
> >
>
> I believe this is a duplicate of
>
> https://bugzilla.kernel.org/show_bug.cgi?id=3D214343
>
> which was supposed to be fixed in firmware, but evidently that fix was
> never backported to older images.
>
> Internally, FW commit d8887278 fixed this, so FW version 69 should be
> OK?

I don't think so, we've reproduced it with iwlwifi-QuZ-a0-jf-b0-71.ucode

>
> I'm not sure we can easily workaround it in the driver? Maybe we can
> detect the RF, but that's kind of awkward.
>
> johannes
>


--=20
=C3=8D=C3=B1igo Huguet