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Wed, 1 Sep 2021 09:36:26 -0400 Received: by smtp.corp.redhat.com (Postfix) id 1DF54100FF6E; Wed, 1 Sep 2021 13:36:26 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast06.extmail.prod.ext.rdu2.redhat.com [10.11.55.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1975F11558B3 for ; Wed, 1 Sep 2021 13:36:23 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 31B7D18A01A0 for ; Wed, 1 Sep 2021 13:36:23 +0000 (UTC) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-4-HOPpGCjBM0CiOKHr-o4n8A-1; Wed, 01 Sep 2021 09:36:21 -0400 X-MC-Unique: HOPpGCjBM0CiOKHr-o4n8A-1 Received: by verein.lst.de (Postfix, from userid 2407) id A57EC6736F; Wed, 1 Sep 2021 15:36:18 +0200 (CEST) Date: Wed, 1 Sep 2021 15:36:18 +0200 From: Christoph Hellwig To: Abdul Haleem Message-ID: <20210901133618.GA16687@lst.de> References: <68dde454-965a-0c44-374a-a0ca277150ee@linux.vnet.ibm.com> MIME-Version: 1.0 In-Reply-To: <68dde454-965a-0c44-374a-a0ca277150ee@linux.vnet.ibm.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-loop: dm-devel@redhat.com Cc: axboe@kernel.dk, sachinp , jack@suse.cz, linux-scsi , linux-kernel , dm-devel@redhat.com, linux-next , dougmill@us.ibm.com, Brian King , linuxppc-dev , hch@lst.de Subject: Re: [dm-devel] [next-20210827][ppc][multipathd] INFO: task hung in dm_table_add_target X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Wed, Sep 01, 2021 at 04:47:26PM +0530, Abdul Haleem wrote: > Greeting's > > multiple task hung while adding the vfc disk back to the multipath on my > powerpc box running linux-next kernel Can you retry to reproduce this with lockdep enabled to see if there is anything interesting holding this lock? -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel