From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Dufour Subject: Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Date: Mon, 23 Nov 2015 17:24:33 +0100 Message-ID: <56533DC1.5070505@linux.vnet.ibm.com> References: <1447838334.1564.2.camel@ellerman.id.au> <1447855399.3974.24.camel@redhat.com> <1447894964.15206.0.camel@ellerman.id.au> <20151119082325.GA11419@infradead.org> <1448021448.14769.7.camel@ellerman.id.au> <565055C6.5040801@linux.vnet.ibm.com> <20151122005635.1b9ffbe1@tom-T450> <1448234410.8209.3.camel@redhat.com> <56531B3F.60503@linux.vnet.ibm.com> <20151123151330.GA10990@dhcppc13.redhat.com> <56532EC7.3060000@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Ming Lei Cc: Pratyush Anand , Mark Salter , linux-block@vger.kernel.org, Linux SCSI List , "James E. J. Bottomley" , Linux Kernel Mailing List , Christoph Hellwig , brking , linuxppc-dev@lists.ozlabs.org List-Id: linux-scsi@vger.kernel.org On 23/11/2015 16:27, Ming Lei wrote: > On Mon, Nov 23, 2015 at 11:20 PM, Laurent Dufour > wrote: >>> >>> Reverting above commit on top if 4.4-rc1 seems to fix the problem for me. >> >> That's what I mentioned earlier ;) >> >> Now Ming send an additional patch with seems to fix the bug introduced >> through the commit bdced438acd8. When testing with this new patch I >> can't get the panic anymore, but Mark reported he is still hitting it. > > Laurent, thanks for your test on the 1st patch, and looks there are at > least two problems, and my 2nd patch sent just now should address > Mark's issue which is caused by bdced438acd83a. > > Once the 2nd one is tested OK, I will send out the two together. FWIW, I applied the 2nd patch, and my system is still running like a charm. Cheers, Laurent.