From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (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 3D938193072 for ; Sat, 14 Dec 2024 17:52:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.109.113.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734198758; cv=none; b=aNww1erGCUXwQoCqb24c4LF1QrtWokkF5wA/8jioDJPOmUig2RaC+Zn06Ks3CA2Dreze9ZoCze/39KAQ//4+SKNyzSMGQUf503R4mPR8S3Vm9ZaKxSPyGMg1JNQh2SMcmoPgpqWQS7NsGcAwHQCyZRbBJY3/JqjY0FyN2LujjfY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734198758; c=relaxed/simple; bh=hUHA8mihXEerggjMXuh4VL5b5YWiyDdHRe/8FA/N2rA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ocaLPn396rEJABNy4M5pgB5zwEboRPf0pl+illzsJ/bUxCFX6b5Z2DCrGYipjD/dho5DQWCZr0Rc51KqhrbIFGWQrS4YusZ5+i4S+CePOun83lJc9gtthwTQo8WJXrzhv7guaXEwAgCwYHJgOA3l7tY9wYixzfIYSgr7j1nhRpQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de; spf=pass smtp.mailfrom=alien8.de; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=QxqI05j0; arc=none smtp.client-ip=65.109.113.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="QxqI05j0" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id E974B40E0263; Sat, 14 Dec 2024 17:52:25 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id Ld48mwVjRaOV; Sat, 14 Dec 2024 17:52:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1734198742; bh=ViRfaJmIdg28UrX2uWGDWU81a7DubOgYnhMbsowTPMg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=QxqI05j03FhOR77+1FMljMbHG3RT7FKkMxCe0VIOCyo3L33LB26qZAtV1WoiJqtcG 6KLziu19a2LgkEBhtEc3h8TRczdt626LE7dcprrK3OkpunH017VzI2P70Dv2KbeoUV vt++iNTjynlPJs+Gq3RVqHGHtC08HWbk74HhHKslCNMmLmZBnfQpmOZRAky27oEUdB FEvWzW/fzNTtjKUN+rQS4blLIFsbS6FsqS5LwW5bUaqjVGmxV+o/SSMMAgsZ3uwWiW LUHYHbC8K/9lIYTsEf2RVZiyKlFoPEGat7jV9Xd9pF7xISlDo+mqm2n0+g9o7xcEr6 RdaayLDRGn8zqxku68uaJmiYRbHpO+FTwxNzAjWR+fmEIpG81LxE/4RNSq6SSacj0V J9isE2wyaw34+4149+FmbCa6WbgoDAsRxd57M+fNMmAZTBoCQzIHNz0QynWQm+i1z1 UCtIgy8WPoWMwV5vaqU8ghFBIOUkn2k22PQ8uOjJWEI7S6wqoD9VE/b91V+Nrd7Id/ jUWcuT6BCqG4myDgsiy5ldOMnHYAtif12YRvQpuu8dJ7K1h2OWPBkQhTaYmOv4W2yw wjdyT6kTIuf3XaG2yE9G3OkD6o8owEOiKr3gsZFmkjC65NCMTG66JlgZ2w9FXx4qaI dv4r2jEPsSCSddH66B9RGrjQ= Received: from zn.tnic (p200300EA971f937c329c23ffFEA6a903.dip0.t-ipconnect.de [IPv6:2003:ea:971f:937c:329c:23ff:fea6:a903]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 2D4DD40E022F; Sat, 14 Dec 2024 17:52:16 +0000 (UTC) Date: Sat, 14 Dec 2024 18:52:09 +0100 From: Borislav Petkov To: Sasha Levin Cc: Linus Torvalds , x86-ml , lkml , Juri Lelli , Peter Zijlstra Subject: Re: [GIT PULL] sched/urgent for v6.13-rc3 Message-ID: <20241214175209.GCZ13Fyb_3YjKPLhoI@fat_crate.local> References: <20241209094822.GAZ1a85tp2J_T7_Ctd@fat_crate.local> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: + some more folks On Sat, Dec 14, 2024 at 12:36:07PM -0500, Sasha Levin wrote: > On Mon, Dec 09, 2024 at 10:48:22AM +0100, Borislav Petkov wrote: > > Hi Linus, > > > > please pull the sched/urgent lineup for v6.13-rc3. > > Hey Boris, > > I'm a bit late to this party, but I've started seeing the following > warning. I'm not 100% sure that this PR is the culprit because Linus > ended up pulling it before I could run tests on it, but I haven't seen > this warning before. Reverting makes it go silent again I presume? The only deadline patch in there is: 22368fe1f9bb ("sched/deadline: Fix replenish_dl_new_period dl_server condition") > [ 1107.003243] ------------[ cut here ]------------ > [ 1107.010677] WARNING: CPU: 0 PID: 16 at kernel/sched/deadline.c:1995 enqueue_dl_entity+0x4a8/0x570 > [ 1107.021252] Modules linked in: crct10dif_ce sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 fuse drm backlight ip_tables x_tables [last unloaded: ftrace_direct] > [ 1107.056578] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc2 #1 > [ 1107.064302] Hardware name: linux,dummy-virt (DT) > [ 1107.071887] pstate: a24020c9 (NzCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) > [ 1107.080224] pc : enqueue_dl_entity+0x4a8/0x570 > [ 1107.086456] lr : return_to_handler+0x0/0x48 > [ 1107.093564] sp : ffff8000800d3a40 > [ 1107.098945] x29: ffff8000800d3a40 x28: fff00000ff6e8d80 x27: 0000000000000000 > [ 1107.112664] x26: 0000000000000001 x25: 0000000000000000 x24: 0000000000000048 > [ 1107.125440] x23: fff00000ff6c6d80 x22: 0000000000000001 x21: 000000000016e360 > [ 1107.137742] x20: 0000000000000001 x19: fff00000ff6c76e8 x18: 0000000000000000 > [ 1107.150485] x17: 0000000000000000 x16: ffff800080008000 x15: 0000000000000000 > [ 1107.163991] x14: fff00000ff6e8e00 x13: 0000000000000001 x12: 0000000000002229 > [ 1107.174756] x11: ffffb0af24c4a670 x10: ffff8000800d3a70 x9 : ffffb0af227176d0 > [ 1107.187747] x8 : ffff8000800d38d8 x7 : 0000000002d37310 x6 : fff00000c6d27500 > [ 1107.200948] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 > [ 1107.215525] x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000001 > [ 1107.228386] Call trace: > [ 1107.233927] enqueue_dl_entity+0x4a8/0x570 (P) > [ 1107.240669] dl_server_start+0x4c/0x138 (F) > [ 1107.246980] enqueue_task_fair+0x128/0x4b0 (F) > [ 1107.253826] enqueue_task+0x44/0x80 (F) > [ 1107.259958] activate_task+0x70/0x90 (F) > [ 1107.265928] attach_task+0x54/0x88 (F) > [ 1107.272053] sched_balance_rq+0x714/0xc18 (F) > [ 1107.278502] sched_balance_newidle.isra.0+0x1c0/0x408 (F) > [ 1107.285769] pick_next_task_fair+0x58/0x310 (F) > [ 1107.292581] __schedule+0x13c/0x918 (F) > [ 1107.298583] schedule+0x38/0x110 > [ 1107.304448] smpboot_thread_fn+0x90/0x208 (F) > [ 1107.310822] kthread+0x104/0x118 > [ 1107.317269] ret_from_fork+0x10/0x20 > [ 1107.323922] ---[ end trace 0000000000000000 ]--- > [ 1107.331245] ------------[ cut here ]------------ > [ 1107.337711] WARNING: CPU: 0 PID: 16 at kernel/sched/deadline.c:1971 enqueue_dl_entity+0x4dc/0x570 > [ 1107.346972] Modules linked in: crct10dif_ce sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 fuse drm backlight ip_tables x_tables [last unloaded: ftrace_direct] > [ 1107.379887] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Tainted: G W 6.13.0-rc2 #1 > [ 1107.388490] Tainted: [W]=WARN > [ 1107.394103] Hardware name: linux,dummy-virt (DT) > [ 1107.400895] pstate: a24020c9 (NzCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) > [ 1107.410286] pc : enqueue_dl_entity+0x4dc/0x570 > [ 1107.417196] lr : enqueue_dl_entity+0x21c/0x570 > [ 1107.423700] sp : ffff8000800d3a40 > [ 1107.428962] x29: ffff8000800d3a40 x28: fff00000ff6e8d80 x27: 0000000000000000 > [ 1107.441295] x26: 0000000000000001 x25: 0000000000000000 x24: 0000000000000048 > [ 1107.453709] x23: fff00000ff6c6d80 x22: 0000000000000001 x21: 000000000016e360 > [ 1107.465918] x20: fff00000ff6c6d80 x19: fff00000ff6c76e8 x18: 0000000000000000 > [ 1107.478257] x17: 0000000000000000 x16: ffff800080008000 x15: 0000000000000000 > [ 1107.490615] x14: fff00000ff6e8e00 x13: 0000000000000001 x12: 0000000000002229 > [ 1107.502996] x11: ffffb0af24c4a670 x10: ffff8000800d3a40 x9 : 0000000000000001 > [ 1107.515024] x8 : 000000003b9aca00 x7 : 00000000000cf95d x6 : 00000000000ee6b2 > [ 1107.527426] x5 : fff00000ff6c76e8 x4 : 000000003b9aca00 x3 : 000000003b9aca00 > [ 1107.541958] x2 : 0000000033e57787 x1 : 0000002000000000 x0 : 0000000000000001 > [ 1107.555125] Call trace: > [ 1107.560909] enqueue_dl_entity+0x4dc/0x570 (P) > [ 1107.568530] dl_server_start+0x4c/0x138 (F) > [ 1107.574623] enqueue_task_fair+0x128/0x4b0 (F) > [ 1107.580979] enqueue_task+0x44/0x80 (F) > [ 1107.586877] activate_task+0x70/0x90 (F) > [ 1107.592854] attach_task+0x54/0x88 (F) > [ 1107.598655] sched_balance_rq+0x714/0xc18 (F) > [ 1107.605092] sched_balance_newidle.isra.0+0x1c0/0x408 (F) > [ 1107.612589] pick_next_task_fair+0x58/0x310 (F) > [ 1107.619724] __schedule+0x13c/0x918 (F) > [ 1107.626871] schedule+0x38/0x110 > [ 1107.633403] smpboot_thread_fn+0x90/0x208 (F) > [ 1107.641197] kthread+0x104/0x118 > [ 1107.647508] ret_from_fork+0x10/0x20 > [ 1107.653843] ---[ end trace 0000000000000000 ]--- -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette