linux-kernel - Re: [BUG RESEND] Kernel panic in update_cfs_rq_h

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Message-ID: <20251016190649.GI3289052@noisy.programming.kicks-ass.net>
Date: Thu, 16 Oct 2025 21:06:49 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Catalin Marinas <catalin.marinas@....com>
Cc: Cruz Zhao <CruzZhao@...ux.alibaba.com>, mingo@...hat.com,
	will@...nel.org, juri.lelli@...hat.com, vincent.guittot@...aro.org,
	dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
	mgorman@...e.de, vschneid@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [BUG RESEND] Kernel panic in update_cfs_rq_h_load() on aarch64

On Thu, Oct 16, 2025 at 06:15:25PM +0100, Catalin Marinas wrote:
> On Mon, Oct 13, 2025 at 03:17:58PM +0800, Cruz Zhao wrote:
> > Hi, all. We are encountering a kernel panic in our production environment
> > running Linux kernel version 5.10.134, on aarch64 architecture (aarch64
> > architecture only).
> > 
> > Summary:
> > - Kernel Version: 5.10.134
> 
> That's a pretty old kernel though still maintained LTS. Can you
> reproduce this with the latest 5.10.x?

FWIW, there is this thread:

  https://lkml.kernel.org/r/bc08fcd528bad11311cd25de37962eb1ce0e7879.1760530739.git.peng_wang@linux.alibaba.com