On Sun, 12 Apr 2026 17:00:57 +0530, Shivang Upadhyay wrote:
> fadump is registered in panic_notifier_list and gets triggered before
> kmsg_dump_desc() in the panic path. As a result, kmsg_dumpers such as
> pstore are not executed during fadump crashes.
>
> This is problematic because pstore provides a critical fallback mechanism
> for crash analysis. When fadump fails to successfully reboot the system
> or capture a dump, pstore logs may be the only available information from
> the crashed kernel. Without invoking kmsg_dump_desc() in the fadump path,
> we lose this valuable diagnostic data.
>
> [...]
Applied to powerpc/next.
[1/1] ppc/fadump: invoke kmsg_dump in fadump panic path
https://git.kernel.org/powerpc/c/6ed8332639853b77329594a241eb99fc36d591a2
cheers