Subject: Re: kernel panic when resuming from hibernate in next-20260406 with PREEMPT_RT

From: Thomas Gleixner <[email-masked]>
Date: Wed, 06 May 2026 21:41:20 +0200

Rafal!

On Mon, Apr 27 2026 at 09:23, Rafal Ostrowski wrote:
> I am glad to hear that mentioned patch fixed your issue.
> Small clarification - amdgpu is not designed to support
> PREEMPT_RT flag, but it was still worth to fix as obvious regression.

PREEMPT_RT is not a flag. It's a valid supported preemption model and
you have to support it whether you like it or not. 

Please fix your CI to test with CONFIG_PREEMPT_RT=y so future issues
like that can be avoided.

Thanks,

        tglx