From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zdenek Kabelac Subject: Re: 3.12.y: srcu warning during free_dev() with dm-multipath Date: Mon, 22 Jun 2015 12:25:05 +0200 Message-ID: <5587E281.5030606@gmail.com> References: <55819FD1.4010306@profitbricks.com> <5587CD74.40401@profitbricks.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5587CD74.40401@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: dm-devel@redhat.com List-Id: dm-devel.ids Dne 22.6.2015 v 10:55 Sebastian Parschauer napsal(a): > 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,... > Have you checked your problem exists in the latest upstream kernel ? If you are resolving issue with kernel 3.12 - it's likely a thing for your distribution and its maintenance support? Upstream (and this is upstream ml) is close to release 4.1 kernel - so you are fixing couple years old issue? What kind of action do you expect ? Regards Zdenek > 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 >