From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.server123.net (Postfix) with ESMTPS for ; Thu, 7 Mar 2019 17:37:11 +0100 (CET) Received: by mail-wm1-x344.google.com with SMTP id g20so9808880wmh.5 for ; Thu, 07 Mar 2019 08:37:11 -0800 (PST) References: <5D8A23C5-B6AD-48EA-B0AD-AD1BD1A2B97B@gmail.com> From: Milan Broz Message-ID: <9d19e5b1-b76f-27da-fa4a-f3a83e6e2791@gmail.com> Date: Thu, 7 Mar 2019 17:37:10 +0100 MIME-Version: 1.0 In-Reply-To: <5D8A23C5-B6AD-48EA-B0AD-AD1BD1A2B97B@gmail.com> Content-Type: text/plain; charset="windows-1252" Content-Language: en-US Content-Transfer-Encoding: quoted-printable Subject: Re: [dm-crypt] Dm-integrity freeze List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Victor Helmholtz , dm-crypt@saout.de Cc: device-mapper development , Mikulas Patocka Hi, from the full log it seems that it is stuck in tgtd (iSCSI). Anyway, this is device-mapper, dm-devel is better list here. (added to cc + Mikulas) m. On 3/7/19 4:26 PM, Victor Helmholtz wrote: > Hi >=20 > I have recently had a problem with my server: all writes to RAID drives w= ere frozen and I had to force-reboot it. I looked at kernel logs and I thin= k dm-integrity might be source of the problem. Could anyone help me underst= and meaning of following messages (this message was repeated 8 times, full = kernel log is here: https://pastebin.com/DMgMtNJq ): >=20 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.498048] INFO: task = kworker/0:112:26760 blocked for more than 120 seconds. > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.499784] =A0 =A0 =A0= Not tainted 4.19.0-2-amd64 #1 Debian 4.19.16-1 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.501222] "echo 0 > /= proc/sys/kernel/hung_task_timeout_secs" disables this message. > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.503095] kworker/0:1= 12 =A0 D =A0 =A00 26760 =A0 =A0 =A02 0x80000080 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.504424] Workqueue: = dm-integrity-metadata integrity_bio_wait [dm_integrity] > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.506149] Call Trace: > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.506782] =A0? __sche= dule+0x2a2/0x870 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.507706] =A0schedule= +0x28/0x80 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.508484] =A0io_sched= ule+0x12/0x40 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.509321] =A0wait_and= _add_new_range+0x89/0xa0 [dm_integrity] > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.510709] =A0dm_integ= rity_map_continue+0xe71/0x1020 [dm_integrity] > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.512193] =A0? __swit= ch_to_asm+0x40/0x70 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.513149] =A0? __swit= ch_to_asm+0x34/0x70 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.514105] =A0? __swit= ch_to_asm+0x40/0x70 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.515088] =A0? __swit= ch_to_asm+0x40/0x70 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.516048] =A0? __swit= ch_to_asm+0x34/0x70 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.517000] =A0? __swit= ch_to_asm+0x40/0x70 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.517978] =A0? __swit= ch_to_asm+0x34/0x70 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.518968] =A0? __swit= ch_to_asm+0x34/0x70 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.519926] =A0? __swit= ch_to+0x8c/0x440 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.520822] =A0process_= one_work+0x1a7/0x3a0 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.521798] =A0worker_t= hread+0x30/0x390 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.522725] =A0? pwq_un= bound_release_workfn+0xd0/0xd0 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.523901] =A0kthread+= 0x112/0x130 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.524691] =A0? kthrea= d_bind+0x30/0x30 > Mar =A01 23:48:21 unassigned-hostname kernel: [369732.525584] =A0ret_from= _fork+0x35/0x40 >=20 > Is this a bug in kernel or do I have some problems with hardware? >=20 > Regards > Victor >=20 > _______________________________________________ > dm-crypt mailing list > dm-crypt@saout.de > https://www.saout.de/mailman/listinfo/dm-crypt >=20