From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mauricio Faria de Oliveira Subject: Re: block: don't check request size in blk_cloned_rq_check_limits() Date: Thu, 16 Jun 2016 18:59:57 -0300 Message-ID: <5763215D.4040600@linux.vnet.ibm.com> References: <1464593093-93527-1-git-send-email-hare@suse.de> <20160610131901.GA28570@redhat.com> <575BE182.5010304@suse.de> <575C0DAE.7070502@suse.de> <5760F6BC.60109@suse.de> <576127FC.9020608@kernel.dk> <57612F12.5070505@suse.de> <5761838E.1000106@linux.vnet.ibm.com> <57629D23.1090704@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:19391 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753864AbcFPWAJ (ORCPT ); Thu, 16 Jun 2016 18:00:09 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u5GLx2Xp077871 for ; Thu, 16 Jun 2016 18:00:08 -0400 Received: from e24smtp02.br.ibm.com (e24smtp02.br.ibm.com [32.104.18.86]) by mx0a-001b2d01.pphosted.com with ESMTP id 23kr61wrwx-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 16 Jun 2016 18:00:08 -0400 Received: from localhost by e24smtp02.br.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 16 Jun 2016 19:00:06 -0300 In-Reply-To: <57629D23.1090704@linux.vnet.ibm.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Brian King , Hannes Reinecke , Jens Axboe , "Martin K. Petersen" Cc: Mike Snitzer , Brian King , linux-scsi@vger.kernel.org, linux-block@vger.kernel.org, mark.bergman@uphs.upenn.edu On 06/16/2016 09:35 AM, Mauricio Faria de Oliveira wrote: > On 06/15/2016 01:34 PM, Brian King wrote: >> [...] did you ever try to reproduce this with an >> upstream >> kernel? > Now that the topic is under discussion, I've asked for some time slots > on that system, so we can test an upstream kernel and try to reproduce > the problem and analyze it more closely. The problem is not reproducible w/ 4.7.0-rc3 even after a few hours; it is instantly reproducible w/ 3.12.57-60.35 (SLES 12 SP1 updates). Hannes et al, If you'd like some data collection from this system, feel free to ping me about it. -- Mauricio Faria de Oliveira IBM Linux Technology Center