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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E609C4332F for ; Mon, 13 Nov 2023 03:31:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232940AbjKMDbC (ORCPT ); Sun, 12 Nov 2023 22:31:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230126AbjKMDbB (ORCPT ); Sun, 12 Nov 2023 22:31:01 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 682E41719 for ; Sun, 12 Nov 2023 19:30:58 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPS id E8380C433C9 for ; Mon, 13 Nov 2023 03:30:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699846257; bh=6tVchCZW0FEO+bi7afiC5Z8sc1kmxXDKp3bi3eFzrtg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=OrrfRORVjfaayXQx7Jkz74wnb6+A1jTvmaQ6RTAqG91JIR+YFCWT6MRjABo0xtMST vqvhNFhiwfaqDVSpemJo4A+wW5tEiZXGPYw4ZotOUEsQHJamX5zj+HFWmDac7KXGCg K3pnlS5Kz5BruVkeafq1HPUJzSDXUUQnmRHU0sV3ihy+Y86f/tccxnILModPrlNujb SW6xxec2MMo9A0G2ny/KzfGgHYpWUcFZTmIqUPha6sKZHj4FVxpPcbSsRymu0Wrm2Y nTiinDEx3jKfhhwtz+JJtM2LVXa7COEoO2JMANUQyl6a+l3wdOE859v8I4QRQ9Kwss UN4xxdkUJi63w== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id CDDCFC53BD3; Mon, 13 Nov 2023 03:30:57 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-scsi@vger.kernel.org Subject: [Bug 217914] scsi_eh_1 process high cpu after upgrading to 6.5 Date: Mon, 13 Nov 2023 03:30:57 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: IO/Storage X-Bugzilla-Component: SCSI X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: high X-Bugzilla-Who: kernel@nerdbynature.de X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: linux-scsi@vger.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D217914 Christian Kujau (kernel@nerdbynature.de) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kernel@nerdbynature.de --- Comment #7 from Christian Kujau (kernel@nerdbynature.de) --- Noticed the same here when upgrading from 6.1.0-13-amd64 to 6.5.0-0.deb12.1-amd64 (both Debian kernels) earlier this month: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D $ sar -f /var/log/sysstat/sa20231108 CPU %user %nice %system %iowait %steal %= idle [...] 18:30:03 all 1.03 0.00 0.45 0.04 0.00 9= 8.47 18:40:01 all 1.07 0.00 0.52 0.05 0.00 9= 8.36 18:50:01 all 1.07 0.00 0.53 0.04 0.00 9= 8.37 19:00:01 all 1.35 0.00 0.69 0.08 0.00 9= 7.88 19:10:04 all 1.09 0.00 0.52 0.07 0.00 9= 8.31 19:20:02 all 1.14 0.00 0.51 0.05 0.00 9= 8.30 19:30:04 all 1.62 0.00 0.65 0.08 0.00 9= 7.65 Average: all 1.06 0.00 0.50 0.06 0.00 9= 8.38 19:32:27 LINUX RESTART (2 CPU) 19:40:03 CPU %user %nice %system %iowait %steal %= idle 19:50:00 all 2.27 0.00 3.23 57.40 0.00 3= 7.11 20:00:02 all 1.29 0.00 2.70 59.27 0.00 3= 6.75 20:10:03 all 1.48 0.00 2.93 58.38 0.00 3= 7.21 20:20:03 all 1.40 0.00 2.94 58.93 0.00 3= 6.73 20:30:02 all 1.39 0.00 2.87 59.99 0.00 3= 5.74 20:40:03 all 1.48 0.00 3.44 59.83 0.00 3= 5.26 20:50:00 all 1.29 0.00 2.88 60.84 0.00 3= 4.98 21:00:03 all 1.31 0.00 2.63 59.81 0.00 3= 6.25 21:10:03 all 1.33 0.00 2.72 59.85 0.00 3= 6.09 21:20:01 all 1.31 0.00 2.82 59.28 0.00 3= 6.59 21:30:01 all 1.39 0.00 2.92 60.51 0.00 3= 5.18 21:40:01 all 1.34 0.00 3.04 60.04 0.00 3= 5.57 21:50:03 all 1.29 0.00 2.51 59.79 0.00 3= 6.41 22:00:03 all 1.36 0.00 3.23 59.81 0.00 3= 5.59 22:10:03 all 1.37 0.00 2.56 59.13 0.00 3= 6.93 22:20:03 all 1.36 0.00 2.88 58.46 0.00 3= 7.29 22:30:03 all 1.31 0.00 2.65 59.07 0.00 3= 6.97 22:40:00 all 1.32 0.00 2.72 59.61 0.00 3= 6.35 22:50:01 all 1.32 0.00 2.72 59.35 0.00 3= 6.61 23:00:03 all 1.29 0.00 2.68 59.30 0.00 3= 6.72 23:10:03 all 1.35 0.00 2.62 60.11 0.00 3= 5.91 23:20:02 all 1.29 0.00 2.91 59.55 0.00 3= 6.25 23:30:03 all 1.32 0.00 2.72 58.37 0.00 3= 7.59 23:40:01 all 1.34 0.00 2.97 57.74 0.00 3= 7.95 23:50:00 all 1.33 0.00 2.54 59.90 0.00 3= 6.24 Average: all 1.38 0.00 2.83 59.37 0.00 3= 6.41 $ last -n 3 reboot reboot system boot 6.5.0-0.deb12.1- Wed Nov 8 19:32 still running reboot system boot 6.1.0-13-amd64 Mon Oct 9 23:14 - 19:32 (29+21:17) reboot system boot 6.1.0-13-amd64 Mon Oct 9 22:39 - 23:14 (00:35) =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D And top only shows a single [scsi_eh_2] thread using ~50% of CPU time, sometimes there's an events thread too. PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 336 root 20 0 0.0m 0.0m 0.0m D 50.0 0.0 53,37 [scsi_eh_2] 3794126 root 20 0 0.0m 0.0m 0.0m I 25.7 0.0 0:06.27 [kworker/0:0-events] This is a Debian/amd64 VM running on a VMware ESX host. There's a virtual C= DROM drive, but nothing is attached here and I'm not using it, all: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D $ lsblk -d --scsi NAME HCTL TYPE VENDOR MODEL REV SERIAL=20=20= =20=20=20=20=20=20=20=20 TRAN sda 0:0:0:0 disk VMware Virtual disk 2.0=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20 sr0 2:0:0:0 rom NECVMWar VMware Virtual IDE CDROM Drive 1.00 10000000000000000001 ata $ dmesg -t | grep -i scsi Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) SCSI subsystem initialized VMware PVSCSI driver - version 1.0.7.0-k vmw_pvscsi: using 64bit dma vmw_pvscsi: max_id: 65 vmw_pvscsi: setting ring_pages to 32 vmw_pvscsi: enabling reqCallThreshold vmw_pvscsi: driver-based request coalescing enabled vmw_pvscsi: using MSI-X scsi host0: VMware PVSCSI storage adapter rev 2, req/cmp/msg rings: 32/32/1 pages, cmd_per_lun=3D254 vmw_pvscsi 0000:03:00.0: VMware PVSCSI rev 2 host #0 scsi 0:0:0:0: Direct-Access VMware Virtual disk 2.0 PQ: 0 ANSI: 6 sd 0:0:0:0: [sda] Attached SCSI disk sd 0:0:0:0: Attached scsi generic sg0 type 0 scsi host1: ata_piix scsi host2: ata_piix scsi 2:0:0:0: CD-ROM NECVMWar VMware IDE CDR10 1.00 PQ: 0 ANSI: 5 scsi 2:0:0:0: Attached scsi generic sg1 type 5 sr 2:0:0:0: [sr0] scsi3-mmc drive: 1x/1x writer dvd-ram cd/rw xa/form2 cdda tray sr 2:0:0:0: Attached scsi CD-ROM sr0 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D Will that "scsi: Do no try to probe for CDL on old drives" patch land in mainline or is this still under discussion? --=20 You may reply to this email to add a comment. 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