linux-kernel - Re: BUG: scheduling while atomic with PREEMPT

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Message-ID: <20250605125133.RSTingmi@linutronix.de>
Date: Thu, 5 Jun 2025 14:51:33 +0200
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: Bert Karwatzki <spasswolf@....de>, linux-kernel@...r.kernel.org,
	linux-next@...r.kernel.org, bpf@...r.kernel.org,
	linux-rt-users@...r.kernel.org, linux-rt-devel@...ts.linux.dev,
	Thomas Gleixner <tglx@...utronix.de>,
	Alexei Starovoitov <alexei.starovoitov@...il.com>
Subject: Re: BUG: scheduling while atomic with PREEMPT_RT=y and bpf selftests

On 2025-06-05 08:48:38 [-0400], Steven Rostedt wrote:
> On Thu,  5 Jun 2025 11:19:03 +0200
> Bert Karwatzki <spasswolf@....de> wrote:
> 
> > This patch seems to create so much output that the orginal error message and
> > backtrace often get lost, so I needed several runs to get a meaningful message
> > when running
> 
> Are you familiar with preempt count tracing?

I have an initial set of patches to tackle this problem, I'm going to
send them after the merge window.

Sebastian