From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: Fix "dm kcopyd: Fix bug causing workqueue stalls" causes dead lock Date: Wed, 9 Oct 2019 10:13:08 -0400 Message-ID: <20191009141308.GA1670@redhat.com> References: <1b2b06a1-0b68-c265-e211-48273f26efaf@arrikto.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Nikos Tsironis , Guruswamy Basavaiah Cc: dm-devel@redhat.com, agk@redhat.com, iliastsi@arrikto.com List-Id: dm-devel.ids On Tue, Oct 01 2019 at 8:43am -0400, Nikos Tsironis wrote: > On 10/1/19 3:27 PM, Guruswamy Basavaiah wrote: > > Hello Nikos, > > Yes, issue is consistently reproducible with us, in a particular > > set-up and test case. > > I will get the access to set-up next week, will try to test and let > > you know the results before end of next week. > > > > That sounds great! > > Thanks a lot, > Nikos Hi Guru, Any chance you could try this fix that I've staged to send to Linus? https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-5.4&id=633b1613b2a49304743c18314bb6e6465c21fd8a Shiort of that, Nikos: do you happen to have a test scenario that teases out this deadlock? Thanks, Mike