From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Subject: Re: sata badness in 2.6.20-rc1? [Was: Re: md patches in -mm] Date: Fri, 15 Dec 2006 22:06:18 +0000 Message-ID: <20061215220618.06f1873c@localhost.localdomain> References: <20061204203410.6152efec.akpm@osdl.org> <17780.63770.228659.234534@cse.unsw.edu.au> <20061205061623.GA13749@amd64.of.nowhere> <20061205062142.GA14784@amd64.of.nowhere> <20061204224323.2e5d0494.akpm@osdl.org> <20061205105928.GA6482@amd64.of.nowhere> <17782.28505.303064.964551@cse.unsw.edu.au> <20061215192146.GA3616@amd64.of.nowhere> <17795.2681.523120.656367@cse.unsw.edu.au> <20061215130552.95860b72.akpm@osdl.org> <20061215133927.a8346372.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20061215133927.a8346372.akpm@osdl.org> Sender: linux-kernel-owner@vger.kernel.org To: Andrew Morton Cc: Neil Brown , Jurriaan , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, Jeff Garzik , Tejun Heo List-Id: linux-raid.ids On Fri, 15 Dec 2006 13:39:27 -0800 Andrew Morton wrote: > On Fri, 15 Dec 2006 13:05:52 -0800 > Andrew Morton wrote: > > > Jeff, I shall send all the sata patches which I have at you one single time > > and I shall then drop the lot. So please don't flub them. > > > > I'll then do a rc1-mm2 without them. > > hm, this is looking like a lot of work for not much gain. Rafael, are > you able to do a quick chop and tell us whether these: The md one and the long history of reports about parallel I/O causing problems sounds a lot more like the kmap stuff you were worried about Andrew. I'd be very intereste dto know if it happens on x86_32 built with a standard memory split and no highmem....