From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 18760C77B75 for ; Tue, 9 May 2023 07:10:44 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4QFq7Q55Vvz3fXT for ; Tue, 9 May 2023 17:10:42 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=IybDFoZY; dkim-atps=neutral Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4QFq6T0pGrz2yfg for ; Tue, 9 May 2023 17:09:53 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=IybDFoZY; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4QFq6N3JvFz4x3d; Tue, 9 May 2023 17:09:47 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1683616189; bh=c8H4G/Dv234HYjr+KJ10w7TX5wPsTcnHJLfz2R+M/U4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=IybDFoZYRCA04a+HfRdbR5lqAQfh2/gLTIZuGwqb1gG1NN/C/GU+vQq7V0pdxysgy 85ewwIr+8dZ4wfuYcfyzEH2jKNqTOir08D6PlYg3NfZ+ptA1Ti+vz01L3uA0ioOMOv 4ve7RrFfqbB2GvW+JqZoZa4N4VA+wvwErCbVuNQ1vvH+V7/Xy7gmuRx4q37j2KcmWM pLAKpjbChoEiG1Hpaon4ZKRKna8gEtV5q0JeW50u8XhmlwDnw+/VlXLggCS/aExLYW N9+b4UcGRm0HePsomadDMDMmvO58JMK7toMhdJ7+XFbh6fbSoSPU+HM9uUmvJSXAW9 1o9F5FIQ7miWQ== From: Michael Ellerman To: Stephen Rothwell , PowerPC , Tejun Heo Subject: Re: linux-next: boot warning In-Reply-To: <20230509122440.418068cb@canb.auug.org.au> References: <20230509122440.418068cb@canb.auug.org.au> Date: Tue, 09 May 2023 17:09:43 +1000 Message-ID: <87mt2ex9oo.fsf@mail.lhotse> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: James Bottomley , Linux Next Mailing List , Linux Kernel Mailing List , "Martin K. Petersen" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Stephen Rothwell writes: > Hi all, > > Today's qemu test boot (powerpc pseries_le_defconfig) produced this > warning: > > [ 2.048588][ T1] ipr: IBM Power RAID SCSI Device Driver version: 2.6.4 (March 14, 2017) > [ 2.051560][ T1] ------------[ cut here ]------------ > [ 2.052297][ T1] WARNING: CPU: 0 PID: 1 at kernel/workqueue.c:5925 workqueue_sysfs_register+0x20/0x1f0 Caused by 59709bb84c22 scsi: Use alloc_ordered_workqueue() to create ordered workqueues. cheers > [ 2.053294][ T1] Modules linked in: > [ 2.053678][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.4.0-rc1-01511-g91b79de175e1 #1 > [ 2.053899][ T1] Hardware name: IBM pSeries (emulated by qemu) POWER8 (raw) 0x4d0200 0xf000004 of:SLOF,HEAD pSeries > [ 2.054099][ T1] NIP: c000000000181d40 LR: c000000000182164 CTR: c0000000001b71e0 > [ 2.054171][ T1] REGS: c0000000047632c0 TRAP: 0700 Not tainted (6.4.0-rc1-01511-g91b79de175e1) > [ 2.054279][ T1] MSR: 8000000002029033 CR: 48000284 XER: 00000000 > [ 2.054608][ T1] CFAR: c000000000182160 IRQMASK: 0 > [ 2.054608][ T1] GPR00: c000000000182164 c000000004763560 c000000001558c00 c000000004d18600 > [ 2.054608][ T1] GPR04: 0000000000000000 0000000000000000 c0000000028eccd8 0000000000000000 > [ 2.054608][ T1] GPR08: 0000000000000000 0000000000080000 0000000000000000 0000000048000288 > [ 2.054608][ T1] GPR12: 0000000000000000 c000000002ad0000 c000000000013788 0000000000000000 > [ 2.054608][ T1] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.054608][ T1] GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.054608][ T1] GPR24: 0000000000000000 c000000004d186b8 c000000004d18610 c000000004d18620 > [ 2.054608][ T1] GPR28: 0000000000000000 c00000000299b310 0000000000000000 c000000004d18600 > [ 2.055488][ T1] NIP [c000000000181d40] workqueue_sysfs_register+0x20/0x1f0 > [ 2.055564][ T1] LR [c000000000182164] alloc_workqueue+0x254/0x584 > [ 2.055858][ T1] Call Trace: > [ 2.055989][ T1] [c000000004763560] [c0000000047635f0] 0xc0000000047635f0 (unreliable) > [ 2.056509][ T1] [c0000000047635f0] [c0000000001823a8] alloc_workqueue+0x498/0x584 > [ 2.056605][ T1] [c0000000047636a0] [c000000000ba016c] scsi_host_alloc+0x2fc/0x500 > [ 2.056678][ T1] [c000000004763730] [c000000000bdf7ec] ibmvscsi_probe+0x6c/0xaf8 > [ 2.056746][ T1] [c000000004763820] [c000000000105d4c] vio_bus_probe+0x9c/0x4a0 > [ 2.056816][ T1] [c0000000047638e0] [c000000000b1c274] really_probe+0x104/0x410 > [ 2.056885][ T1] [c000000004763970] [c000000000b1c630] __driver_probe_device+0xb0/0x1e0 > [ 2.056956][ T1] [c0000000047639f0] [c000000000b1c7b4] driver_probe_device+0x54/0x130 > [ 2.057025][ T1] [c000000004763a30] [c000000000b1cac8] __driver_attach+0xd8/0x200 > [ 2.057092][ T1] [c000000004763a70] [c000000000b18cd4] bus_for_each_dev+0xb4/0x140 > [ 2.057158][ T1] [c000000004763ad0] [c000000000b1b824] driver_attach+0x34/0x50 > [ 2.057226][ T1] [c000000004763af0] [c000000000b1ac1c] bus_add_driver+0x13c/0x2d0 > [ 2.057292][ T1] [c000000004763b80] [c000000000b1e3c4] driver_register+0xa4/0x1b0 > [ 2.057360][ T1] [c000000004763bf0] [c000000000108054] __vio_register_driver+0x74/0x9c > [ 2.057428][ T1] [c000000004763c10] [c000000002063690] ibmvscsi_module_init+0x98/0xd4 > [ 2.057500][ T1] [c000000004763c40] [c0000000000131a0] do_one_initcall+0x80/0x320 > [ 2.057583][ T1] [c000000004763d20] [c0000000020049b4] kernel_init_freeable+0x304/0x3ac > [ 2.057657][ T1] [c000000004763df0] [c0000000000137b0] kernel_init+0x30/0x1a0 > [ 2.057723][ T1] [c000000004763e50] [c00000000000debc] ret_from_kernel_user_thread+0x14/0x1c > [ 2.057807][ T1] --- interrupt: 0 at 0x0 > [ 2.057858][ T1] NIP: 0000000000000000 LR: 0000000000000000 CTR: 0000000000000000 > [ 2.057909][ T1] REGS: c000000004763e80 TRAP: 0000 Not tainted (6.4.0-rc1-01511-g91b79de175e1) > [ 2.057964][ T1] MSR: 0000000000000000 <> CR: 00000000 XER: 00000000 > [ 2.058031][ T1] CFAR: 0000000000000000 IRQMASK: 0 > [ 2.058031][ T1] GPR00: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.058031][ T1] GPR04: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.058031][ T1] GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.058031][ T1] GPR12: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.058031][ T1] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.058031][ T1] GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.058031][ T1] GPR24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.058031][ T1] GPR28: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > [ 2.058682][ T1] NIP [0000000000000000] 0x0 > [ 2.058728][ T1] LR [0000000000000000] 0x0 > [ 2.058782][ T1] --- interrupt: 0 > [ 2.058965][ T1] Code: 60000000 60000000 60000000 60420000 3c4c013d 38426ee0 7c0802a6 60000000 fb61ffd8 f821ff71 81230100 55290318 <0b090000> 3d22fff0 7c0802a6 fb810070 > [ 2.059420][ T1] ---[ end trace 0000000000000000 ]--- > [ 2.065968][ T46] scsi_tmf_0 (46) used greatest stack depth: 15200 bytes left > [ 2.067252][ T1] scsi host0: failed to create tmf workq > [ 2.092458][ T45] scsi_eh_0 (45) used greatest stack depth: 14240 bytes left > [ 2.092852][ T1] ibmvscsi 71000003: couldn't allocate host data > [ 2.093005][ T1] ibmvscsi: probe of 71000003 failed with error -1 > > > I have no idea what has caused this. > > -- > Cheers, > Stephen Rothwell