From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 50EF0224B0E; Tue, 27 May 2025 07:19:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748330368; cv=none; b=CwXdAsLODIyp6xyS7pgZ67iMcKxTp9gG2J5J3sMZsn0L9XnkAZnrWFXeGFcRm/RZ7MmW67gDSOhANU0LgpFX8fUAqWXYvr4hvjpmADTo1iboJfRnvzscdstxokz/Wl1fmLzKoQYz4qQEpvhhCmeEfClUQsJGovb/YQPyug6bnxI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748330368; c=relaxed/simple; bh=P+DfASsF3XOdpf/4HNVYMTWhPAtrOK/A6WxEF7tuA3Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dQhDGuLUQIVUanA9Mam5bKyxZT2PEFA0Ihg7mxd/H85X1jP5qc0U3FNE7W29yIKHfFPIy2bE8MUYa1jwP1/WwzeqWRB2DY1VXZ+4mMfgRieZA4xC8CQYbQDQgUW5+QumQYV+bzFyNUlLdoWqrbtOg+n7MCmDk+GmKuWWtb1MSSQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=apapJ4XV; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=1PiazP4o; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="apapJ4XV"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="1PiazP4o" Date: Tue, 27 May 2025 09:19:22 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1748330364; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gx2Br0+lTeAcRN8YNcVFOMcOAMoDdXFwrWxkaUxCT+w=; b=apapJ4XVpYwj8XJZoW/SOoqLeoRwK2YgBQdFYcNL3p5BrjoCK1e/CRLftGX1IlBVX5L9U2 GkNZ0WlaKE3r7BDoo3n9vvvr1u/BtJCkgZUDV5rGEa9vwD7IEmtimSf0uo2RUqr+Uhc0y/ fZZNyZEnSQxqR3TakWcWJ+8oZSDeVEssUoVZQJL2afYKVp2lFDwYHDSZCN0KnGUK1sE/NX 4iRRnnLbb7AGX/GbkpUljIiHKX1vPCoB4Q1aZVetHJFs5ET0WwtyWw9eVq6rKcYaGdt6L+ cqEG/vNQ/C3jtYo9pwQbMHIoEjvrMAJqq+tuf2/sianrdvrYTUqK/ELF/u/diw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1748330364; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gx2Br0+lTeAcRN8YNcVFOMcOAMoDdXFwrWxkaUxCT+w=; b=1PiazP4oeQ/6sjAG2aDxu/GlxI2TxRITpjes5iQvzpLt6SJ3tij4tIwwHFp3cZ9lxgV68d vfsgeanGlj749dDA== From: Sebastian Andrzej Siewior To: Alexei Starovoitov Cc: Bert Karwatzki , Tejun Heo , LKML , Linux-Next Mailing List , bpf , linux-rt-users , linux-rt-devel@lists.linux.dev, Thomas Gleixner Subject: Re: BUG: scheduling while atomic with PREEMPT_RT=y and bpf selftests Message-ID: <20250527071922.tMPqxpsB@linutronix.de> References: <20250525224744.9640-1-spasswolf@web.de> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: On 2025-05-25 18:32:28 [-0700], Alexei Starovoitov wrote: > On Sun, May 25, 2025 at 3:48=E2=80=AFPM Bert Karwatzki = 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 >=20 > Known issue. > Please trim your emails. This is the trace thingy. Let me take a look. Sebastian