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From:   Peter Robinson <pbrobinson@gmail.com>
Date:   Sat, 31 Dec 2022 15:58:18 +0000
Message-ID: <CALeDE9OFbrf5x-3CRecXkYxb-2Z1YgH7d4Yk4RPv4Wn+zinhbw@mail.gmail.com>
Subject: Re: Regression in brcmfmac for 6.1/6.2-rc1 for SDIO devices
To:     Stefan Wahren <stefan.wahren@i2se.com>
Cc:     Justin Forbes <jforbes@fedoraproject.org>,
        regressions@lists.linux.dev, linux-wireless@vger.kernel.org,
        brcm80211-dev-list.pdl@broadcom.com,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        Franky Lin <franky.lin@broadcom.com>,
        Arend van Spriel <aspriel@gmail.com>,
        "Ivan T. Ivanov" <iivanov@suse.de>
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Hi Stefan,

> >> could you please provide a "bad case" file list of all firmware files
> >> for the Raspberry Pi 3 B+ which worked before Linux 6.1, so i can
> >> reproduce it?
> > What do you mean by the file list?
>
> if you look into the firmware directory which files for
> brcmfmac43455-sdio do you have? Just the bin file?
>
> I'm using the rootfs of Raspberry Pi OS which contains:
>
> $ ls brcmfmac43455-sdio*
> brcmfmac43455-sdio.bin  brcmfmac43455-sdio.clm_blob brcmfmac43455-sdio.txt

As shipped in https://mirrors.edge.kernel.org/pub/linux/kernel/firmware/
either the Nov or Dec releases

The kernel supports compressing firmware with: xz -C crc32 "$f"

Regards,
Peter

> I didn't say please add some files, i only need a test scenario :-)
>
> >   We're running the latest upstream
> > firmware, we do used compressed firmware but that hasn't regressed
> > with any of the other firmware, this is very much brcmfmac. With the
> > same firmware it was working on 6.0.x and reboot into a 6.1+ kernel
> > and it stops with nothing else changed.
>
> Yes, i agree this is a regression and yes it's definitely brcmfmac, but
> based on your bug report i wasn't able to reproduce.
>
> Regards
>
> >
> >> Also OpenSuSE seems to be affected [1].
> >>
> >> [1] - https://bugzilla.suse.com/show_bug.cgi?id=1206697
> >>
> >> Regards
> >> Stefan
> >>