From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kent Overstreet Subject: Re: Block Size for Windows Date: Wed, 29 Aug 2012 10:34:59 -0700 Message-ID: <20120829173459.GB3893@google.com> References: <503BD1E8.7060402@abpni.co.uk> <503BD37C.9010403@abpni.co.uk> <503BD55D.2060408@abpni.co.uk> <503BEE7F.4020202@abpni.co.uk> <503E4FD6.20106@abpni.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <503E4FD6.20106-Nf8S+5hNwl710XsdtD+oqA@public.gmane.org> Sender: linux-bcache-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jonathan Tripathy Cc: Joseph Glanville , linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-bcache@vger.kernel.org On Wed, Aug 29, 2012 at 06:22:30PM +0100, Jonathan Tripathy wrote: > On 29/08/2012 13:12, Jonathan Tripathy wrote: > > > >On 29.08.2012 08:03, Kent Overstreet wrote: > >>I just went ahead and backed out the problematic change. Haven't even > >>tried building the code yet - but if you feel lucky, it's up. I bet it > >>fixes it. > > > >Hi Kent, > > > >I pull down your latest code and did a build. I'm pleased to say > >that Windows has now installed. I will do some further > >testing/benchmarking to make sure that the install is stable. > > > >Many thanks for your quick help > Hi Kent, > > A little bad news. With this new build, the spindles are getting > thrashed and this is constantly (never stopping) spewing out on my > netconsole: > > [23198.979215] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67230714 4 > [23198.979304] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67234814 4 > [23198.979393] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67235834 4 > [23198.979595] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67276796 3 > [23198.979696] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67297276 4 > [23198.979791] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67248126 4 > [23198.979886] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67284987 3 > [23198.979966] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67305471 4 > [23198.980215] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67329017 4 > [23198.980337] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67323899 4 > [23198.980542] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67330047 2 > [23198.981707] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67335164 3 > [23198.982164] md/raid10:md7: make_request bug: can't convert block > across chunks or bigger than 512k 67346429 4 > > Any ideas? Oh hell, I see the problem. That one is not going to be such an easy fix. I'm going to have to think about it. Amusing part is it looks like blocksize = 4k was working around the problem... :/