Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752233AbbK2RFN (ORCPT ); Sun, 29 Nov 2015 12:05:13 -0500 Received: from ud10.udmedia.de ([194.117.254.50]:35744 "EHLO mail.ud10.udmedia.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751935AbbK2RFJ (ORCPT ); Sun, 29 Nov 2015 12:05:09 -0500 Date: Sun, 29 Nov 2015 18:05:06 +0100 From: Markus Trippelsdorf To: Mike Snitzer Cc: Hannes Reinecke , Jens Axboe , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, Christoph Hellwig , "Martin K. Petersen" , Ewan Milne , Jeff Moyer Subject: Re: block: Always check queue limits for cloned requests Message-ID: <20151129170506.GB302@x4> References: <1448524017-130967-1-git-send-email-hare@suse.de> <20151126131104.GA24297@redhat.com> <20151129114956.GA321@x4> <565B1D2A.5010603@suse.de> <20151129161532.GA302@x4> <20151129164947.GA15021@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151129164947.GA15021@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2172 Lines: 55 On 2015.11.29 at 11:49 -0500, Mike Snitzer wrote: > On Sun, Nov 29 2015 at 11:15am -0500, > Markus Trippelsdorf wrote: > > > On 2015.11.29 at 16:43 +0100, Hannes Reinecke wrote: > > > On 11/29/2015 12:49 PM, Markus Trippelsdorf wrote: > > > > > > > > I'm still seeing the issue (BUG at drivers/scsi/scsi_lib.c:1096!) even > > > > with this patch applied. > > > > > > > > markus@x4 linux % git describe > > > > v4.4-rc2-215-g081f3698e606 > > > > > > > Can you generate a crashdump? > > > I would need to cross-check with the other dumps I'm having to figure > > > out if this really is the same issue. > > > There have been other reports (and fixes) which show we're fighting > > > several distinct issues here. > > > > Unfortunately no. The crash happens on the disk where I store my log > > files. And after it happened the magic SysRq keys don't work anymore. > > > > The crash only happens on my spinning rust drive that uses the cfq > > scheduler. The SSDs (deadline) are fine. > > > > The BUG happens reproducibly when building http://www.sagemath.org/ on > > that drive. > > Are you using DM multipath? If unsure, please let us know which > device(s) map to the "spinning rust drive", and provide output from: > lsblk No, I'm not using DM multipath. /dev/sdb2 on /var type btrfs (rw,relatime,compress=lzo,noacl,space_cache) /dev/sdb2 btrfs 1.9T 904G 944G 49% /var scsi 1:0:0:0: Direct-Access ATA ST2000DM001-1CH1 CC29 PQ: 0 ANSI: 5 sd 1:0:0:0: [sdb] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB) sd 1:0:0:0: [sdb] 4096-byte physical blocks sd 1:0:0:0: [sdb] Write Protect is off sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00 sd 1:0:0:0: Attached scsi generic sg1 type 0 sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Model Family: Seagate Barracuda 7200.14 (AF) Device Model: ST2000DM001-1CH164 -- Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/