linux-kernel - Regression with commit 0a67361dcdaa

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Message-ID: <eb0d88d0-879e-c500-261e-69c76fb68a89@linux.intel.com>
Date:   Thu, 16 Apr 2020 17:35:14 +0300
From:   Jarkko Nikula <jarkko.nikula@...ux.intel.com>
To:     linux-efi@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Ard Biesheuvel <ardb@...nel.org>,
        Tony Luck <tony.luck@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Regression with commit 0a67361dcdaa

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.

-- 
Jarkko