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From:   Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date:   Sat, 1 Feb 2020 23:36:11 +0100
Message-ID: <CAKv+Gu8xcww0n9Apnb+ASeyb4pNVuMjJeopO-hC6NDAGQzVg3w@mail.gmail.com>
Subject: Re: EFI boot crash regression (was: Re: 5.6-### doesn't boot)
To:     Dan Williams <dan.j.williams@intel.com>
Cc:     Ingo Molnar <mingo@kernel.org>,
        =?UTF-8?Q?J=C3=B6rg_Otte?= <jrg.otte@gmail.com>,
        Ard Biesheuvel <ardb@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "the arch/x86 maintainers" <x86@kernel.org>
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On Sat, 1 Feb 2020 at 23:31, Dan Williams <dan.j.williams@intel.com> wrote:
>
> On Sat, Feb 1, 2020 at 1:49 PM Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
> >
> > On Sat, 1 Feb 2020 at 22:44, Dan Williams <dan.j.williams@intel.com> wrote:
> > >
> > > On Fri, Jan 31, 2020 at 10:45 AM Ard Biesheuvel
> > > <ard.biesheuvel@linaro.org> wrote:
> > > >
> > > > earlycon=efifb may help to get better diagnostics, but you will need to use a camera to capture the output
> > >
> > > https://photos.app.goo.gl/uA3Wkaxc8x6A4gK47
> >
> > Yeah, so it definitely has to do with the n_removal > 0 path.
> >
> > Did you try the change I suggested to Joerg?
>
> Nice, it worked.
>
> Tested-by: Dan Williams <dan.j.williams@intel.com>

Thanks for confirming. I'll spin a proper patch.