From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: dmsetup fails on latest kernel Date: Thu, 19 Jan 2012 12:30:12 -0800 Message-ID: <4F187D54.602@zytor.com> References: <4F187980.2000306@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Linus Torvalds Cc: "Kasatkin, Dmitry" , device-mapper development , LKML , "H. Peter Anvin" List-Id: dm-devel.ids On 01/19/2012 12:17 PM, Linus Torvalds wrote: > On Thu, Jan 19, 2012 at 12:13 PM, H. Peter Anvin wrote: >> Could you please send me: >> >> a) your full strace; >> b) arch/x86/kernel/syscall_32.o from your build? > > Btw, the strace before-and-after (working vs nonworking) would > probably be useful. They aren't easily comparable (all the random > pointers change depending on allocations etc), but some scripting and > editing out pointer values might make the difference be obvious. > > Linus Possible. I have actually reproduced it and reduced it to a small test case already, so I hopefully will have it nailed down soon. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.