From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sagi Grimberg Subject: Re: 4.5-rc iser issues Date: Mon, 15 Feb 2016 09:45:13 +0200 Message-ID: <56C18209.7090903@dev.mellanox.co.il> References: <20160214074119.GA24558@infradead.org> <56C04294.3090701@dev.mellanox.co.il> <56C05000.1040001@dev.mellanox.co.il> <56C066AF.6050901@dev.mellanox.co.il> <56C088EA.1050901@dev.mellanox.co.il> <20160214152223.GA5323@infradead.org> <56C0AB84.9040004@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ming Lei Cc: Christoph Hellwig , linux-rdma , Ming Lin-SSI , "linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Jens Axboe List-Id: linux-rdma@vger.kernel.org > I can reproduce the issue now, and it is easy to trigger it via your test > code on scsi device, but a bit difficult to get it on null_blk. > > Turns out it is a block core issue, and it is in bio_will_gap() which gets > the last bvec via 'bi_io_vec[prev->bi_vcnt - 1]' directly. I have posted > out one patchset for fixing the issue: > > http://marc.info/?l=linux-kernel&m=145551975429092&w=2 Thanks Ming! I'll give it a shot... -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html