From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: BUG: unable to handle kernel paging request Date: Fri, 29 Sep 2017 11:08:28 -0400 Message-ID: <20170929150828.GA24949@redhat.com> References: <20170928175606.GA19419@redhat.com> <20170928201737.GA19972@redhat.com> <9758c2f9-5b47-f354-9d11-8235b3dcf93c@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <9758c2f9-5b47-f354-9d11-8235b3dcf93c@citrix.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Igor Druzhinin Cc: bart.vanassche@sandisk.com, dm-devel@redhat.com List-Id: dm-devel.ids On Thu, Sep 28 2017 at 7:19pm -0400, Igor Druzhinin wrote: > On 28/09/17 21:17, Mike Snitzer wrote: > > > > Anyway, the issue you're talking about was also fixed, just not sure of > > the fix right now but will keep looking. > > > > See: https://www.redhat.com/archives/dm-devel/2016-February/msg00073.html > > > > Could be the various fixes that Bart did to cope with queue teardown > > races. > > Do you mean those fixes? > > https://www.spinics.net/lists/linux-scsi/msg101312.html Yes, but there have been _a lot_ of fixes and performance improvements to DM multipath's blk-mq support independent of those fixes (fixes range from SCSI, to block core to DM core, to DM multipath). Trying to make a "stable" 4.4 kernel have all the fixes is a noble task but I have no interest in taking it on. Nor do I have time to coach you (or others) through it. Just rebase to a newer kernel! (Sorry) Mike