linux-kernel - Re: Regression with commit 0a67361dcdaa

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Message-ID: <CAMj1kXGGdwuP6X5jvbqmjsP2+bZ7CoJKZ5-WVoPYEjq9HTjuDA@mail.gmail.com>
Date:   Thu, 16 Apr 2020 16:36:25 +0200
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>
Cc:     linux-efi <linux-efi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Tony Luck <tony.luck@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: Regression with commit 0a67361dcdaa

On Thu, 16 Apr 2020 at 16:35, Jarkko Nikula
<jarkko.nikula@...ux.intel.com> wrote:
>
> Hi
>
> v5.7-rc1 hangs in early boot on an Intel Atom based prototype hardware
> while v5.6 boots fine. I bisected the regression into 0a67361dcdaa
> ("efi/x86: Remove runtime table address from kexec EFI setup data").
>
> v5.7-rc1 caused a reboot loop on another Intel Core based prototype HW.
> Reboots also on top of 0a67361dcdaa but boots fine with that commit
> reverted.
>
> Our test system uses kexec to boot the test kernel. These two machines
> got regression with v5.7-rc1. We have also others that boot fine.
>

This should already be fixed in Linus's tree. Please report back
whether that solves your problem or not.