linux-kernel - Fwd: kernel >= v6.2 no longer boots on Apple's Virtualization.framework (x86

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Date:   Thu, 25 May 2023 19:46:47 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux x86 <x86@...nel.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        Linux ACPICA <acpica-devel@...ts.linuxfoundation.org>,
        Linux Stable <stable@...r.kernel.org>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Jianmin Lv <lvjianmin@...ngson.cn>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Bob Moore <robert.moore@...el.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Akihiro Suda <suda.kyoto@...il.com>,
        Robert Moore <robert.moore@...el.com>
Subject: Fwd: kernel >= v6.2 no longer boots on Apple's
 Virtualization.framework (x86_64); likely to be related to ACPICA

Hi,

I notice a regression report on Bugzilla [1]. Quoting from it:

> Linux kernel >= v6.2 no longer boots on Apple's Virtualization.framework (x86_64).
> 
> It is reported that the issue is not reproducible on ARM64: https://github.com/lima-vm/lima/issues/1577#issuecomment-1561577694
> 
> 
> ## Reproduction
> - Checkout the kernel repo, and run `make defconfig bzImage`.
> 
> - Create an initrd (see the attached `initrd-example.txt`)
> 
> - Transfer the bzImage and initrd to an Intel Mac.
> 
> - On Mac, download `RunningLinuxInAVirtualMachine.zip` from https://developer.apple.com/documentation/virtualization/running_linux_in_a_virtual_machine , and build the `LinuxVirtualMachine` binary with Xcode.
>   Building this binary with Xcode requires logging in to Apple.
>   If you do not like logging in, a third party equivalent such as https://github.com/Code-Hex/vz/blob/v3.0.6/example/linux/main.go can be used.
> 
> - Run `LinuxVirtualMachine /tmp/bzImage /tmp/initrd.img`.
>   v6.1 successfully boots into the busybox shell.
>   v6.2 just hangs before printing something in the console.
> 
> 
> ## Tested versions
> ```
> v6.1: OK
> ...
> v6.1.0-rc2-00002-g60f2096b59bc (included in v6.2-rc1): OK
> v6.1.0-rc2-00003-g5c62d5aab875 (included in v6.2-rc1): NG <-- This commit caused a regression
> ...
> v6.2-rc1: NG
> ...
> v6.2: NG
> ...
> v6.3.0-rc7-00181-g8e41e0a57566 (included in v6.3): NG     <-- Reverts 5c62d5aab875 but still NG
> ...
> v6.3: NG
> v6.4-rc3: NG
> ```
> 
> Tested on MacBookPro 2020 (Intel(R) Core(TM) i7-1068NG7 CPU @ 2.30GHz) running macOS 13.4.
> 
> 
> The issue seems a regression in [5c62d5aab8752e5ee7bfbe75ed6060db1c787f98](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c62d5aab8752e5ee7bfbe75ed6060db1c787f98) "ACPICA: Events: Support fixed PCIe wake event".
> 
> This commit was introduced in v6.2-rc1, and apparently reverted in v6.3 ([8e41e0a575664d26bb87e012c39435c4c3914ed9](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8e41e0a575664d26bb87e012c39435c4c3914ed9)).
> However, v6.3 and the latest v6.4-rc3 still don't boot.

See bugzilla for the full thread.

Interestingly, this regression still occurs despite the culprit is
reverted in 8e41e0a575664d ("Revert "ACPICA: Events: Support fixed
PCIe wake event""), so this (obviously) isn't wake-on-lan regression,
but rather early boot one.

Also, the reporter can't provide dmesg log (forget to attach serial
console?).

Anyway, I'm adding it to regzbot:

#regzbot introduced: 5c62d5aab8752e https://bugzilla.kernel.org/show_bug.cgi?id=217485
#regzbot title: Linux v6.2+ (x86_64) no longer boots on Apple's Virtualization framework (ACPICA issue)

Thanks.

[1]: https://bugzilla.kernel.org/show_bug.cgi?id=217485

-- 
An old man doll... just what I always wanted! - Clara