Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757968AbbKSIXa (ORCPT ); Thu, 19 Nov 2015 03:23:30 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:47383 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751895AbbKSIX2 (ORCPT ); Thu, 19 Nov 2015 03:23:28 -0500 Date: Thu, 19 Nov 2015 00:23:25 -0800 From: Christoph Hellwig To: Michael Ellerman Cc: Mark Salter , "James E. J. Bottomley" , brking , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-block@vger.kernel.org Subject: Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Message-ID: <20151119082325.GA11419@infradead.org> References: <1447838334.1564.2.camel@ellerman.id.au> <1447855399.3974.24.camel@redhat.com> <1447894964.15206.0.camel@ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1447894964.15206.0.camel@ellerman.id.au> User-Agent: Mutt/1.5.23 (2014-03-12) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 462 Lines: 10 It's pretty much guaranteed a block layer bug, most likely in the merge bios to request infrastucture where we don't obey the merging limits properly. Does either of you have a known good and first known bad kernel? -- 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/