linux-kernel - LTS kernel Linux 4.14.290 unable to boot with edk2-ovmf (x86

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Message-ID: <2d6012e8-805d-4225-80ed-d317c28f1899@gmx.com>
Date:   Mon, 22 Aug 2022 09:15:59 +0800
From:   Qu Wenruo <quwenruo.btrfs@....com>
To:     stable <stable@...r.kernel.org>
Cc:     "linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-x86_64@...r.kernel.org
Subject: LTS kernel Linux 4.14.290 unable to boot with edk2-ovmf (x86_64 UEFI
 runtime)

Hi,

When backporting some btrfs specific patches to all LTS kernels, I found
v4.14.290 kernel unable to boot as a KVM guest with edk2-ovmf
(edk2-ovmf: 202205, qemu 7.0.0, libvirt 1:8.6.0).

While all other LTS/stable branches (4.19.x, 5.4.x, 5.10.x, 5.15.x,
5.18.x, 5.19.x) can boot without a hipccup.

I tried the following configs, but none of them can even provide an
early output:

- CONFIG_X86_VERBOSE_BOOTUP
- CONFIG_EARLY_PRINTK
- CONFIG_EARLY_PRINTK_EFI

Is this a known bug or something new?

Thanks,
Qu