linux-kernel - Re: [REGRESSION] Kernel booted via kexec fails to resume from hibernation

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Message-ID: <CALu+AoQhCjUPr2dnYdN751dyUgNUpyx1HCfyztF5GaP3QRzibQ@mail.gmail.com>
Date: Wed, 22 Jan 2025 17:45:41 +0800
From: RuiRui Yang <ruyang@...hat.com>
To: io@...icci.it
Cc: ebiederm@...ssion.com, rafael@...nel.org, pavel@....cz, ytcoode@...il.com, 
	kexec@...ts.infradead.org, linux-pm@...r.kernel.org, 
	akpm@...ux-foundation.org, regressions@...ts.linux.dev, 
	linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION] Kernel booted via kexec fails to resume from hibernation

> I can reproduce this with kernel 6.13-rc7 in a qemu x86_64 virtual machine
> running Void Linux, with the following commands:
>
> ```
> # kexec -l /boot/vmlinuz-6.13.0-rc7 --initrd=/boot/initramfs-6.13.0-rc7 --reuse-cmdline
> # reboot
> # printf reboot >/sys/power/disk
> # printf disk >/sys/power/state
> ```

Which kexec-tools version have you used?  I'm just asking to see which
syscall is used for loading the new kernel.   From your bisect results
it seems kexec_file_load, but just a double check as kexec_load and
kexec_file_load use different sources for building the e820 table.

Thanks
Dave