From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Parschauer Subject: Re: 3.12.y: srcu warning during free_dev() with dm-multipath Date: Mon, 22 Jun 2015 10:55:16 +0200 Message-ID: <5587CD74.40401@profitbricks.com> References: <55819FD1.4010306@profitbricks.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <55819FD1.4010306@profitbricks.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: Alasdair Kergon , Mike Snitzer Cc: dm-devel , Sebastian Parschauer List-Id: dm-devel.ids Really, no response? Again? Why doesn't that surprise me if sending a bug report to Red Hat not using their kernel,... Thanks a lot! So this is how discrimination feels like,... On 17.06.2015 18:26, Sebastian Parschauer wrote: > Hi dm developers, > > we hit the srcu warning in cleanup_srcu_struct() when removing > dm-multipath devices. We run v3.12.40 but there is no change compared to > v3.12.44 in drivers/md/dm.c or kernel/srcu.c. > > Would the following upstream commit fix this? > > 63a4f06 dm: fix add_disk() NULL pointer due to race with free_dev() > > Thanks, > Sebastian