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

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Message-ID: <20250527071922.tMPqxpsB@linutronix.de>
Date: Tue, 27 May 2025 09:19:22 +0200
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc: Bert Karwatzki <spasswolf@....de>, Tejun Heo <tj@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-Next Mailing List <linux-next@...r.kernel.org>,
	bpf <bpf@...r.kernel.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	linux-rt-devel@...ts.linux.dev,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: BUG: scheduling while atomic with PREEMPT_RT=y and bpf selftests

On 2025-05-25 18:32:28 [-0700], Alexei Starovoitov wrote:
> On Sun, May 25, 2025 at 3:48 PM Bert Karwatzki <spasswolf@....de> wrote:
> >
> > [ T2916]  rtlock_slowlock_locked+0x635/0x1d00
> > [ T2916]  ? srso_alias_return_thunk+0x5/0xfbef5
> > [ T2916]  ? lock_acquire+0xca/0x300
> > [ T2916]  rt_spin_lock+0x99/0x190
> > [ T2916]  task_get_cgroup1+0xe8/0x340
> > [ T2916]  bpf_task_get_cgroup1+0xe/0x20
> 
> Known issue.
> Please trim your emails.

This is the trace thingy. Let me take a look.

Sebastian