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 12:13:52 -0800 Message-ID: <4F187980.2000306@zytor.com> References: 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: "Kasatkin, Dmitry" Cc: device-mapper development , LKML , Linus Torvalds , "H. Peter Anvin" List-Id: dm-devel.ids Could you please send me: a) your full strace; b) arch/x86/kernel/syscall_32.o from your build? -hpa On 01/19/2012 07:56 AM, Kasatkin, Dmitry wrote: > On Thu, Jan 19, 2012 at 3:02 PM, Kasatkin, Dmitry > wrote: >> Hi, >> >> (subject added) >> >> I rebased on the stop of latest mainline tree and now dmsetup fails... >> It says: "Failed to create notification semaphore: Function not implemented". >> I run strace and saw that dmsetup uses "semget" which returns -ENOSYS... >> >> It works on >> 122804ecb59493fbb4d31b3ba9ac59faaf45276f >> >> but does not work on >> ccb19d263fd1c9e34948e2158c53eacbff369344 >> >> Any ideas? >> >> - Dmitry > > Hi, > > I have bisected the problem... > > It is introduced by this commit: > > 303395ac3bf3e2cb488435537d416bc840438fcb is the first bad commit > commit 303395ac3bf3e2cb488435537d416bc840438fcb > Author: H. Peter Anvin > Date: Fri Nov 11 16:07:41 2011 -0800 > > x86: Generate system call tables and unistd_*.h from tables > > > It came from: Merge branch 'x86-syscall-for-linus' of > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip > Was on 17.01.2012... > > I have 32 bit VM and I have SYSVIPC enabled in the configuration... > > - Dmitry -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.