From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: raw disks no longer work in latest kvm (kvm-88 was fine) Date: Sun, 07 Mar 2010 21:35:10 +0200 Message-ID: <4B93FFEE.4080007@redhat.com> References: <4B92BF97.4040001@nagafix.co.uk> <4B92C90B.4030807@msgid.tls.msk.ru> <4B932829.8090503@nagafix.co.uk> <4B9372B6.3050408@msgid.tls.msk.ru> <20100307100022.GA23201@infradead.org> <4B93A624.8010707@nagafix.co.uk> <4B93AF8A.3070805@nagafix.co.uk> <4B93C2F9.7030904@msgid.tls.msk.ru> <4B93DE3F.4090103@nagafix.co.uk> <4B93DFF0.5050905@redhat.com> <20100307172151.GA24859@infradead.org> <4B93E29E.6090609@redhat.com> <4B93E9EE.6020701@nagafix.co.uk> <4B93F4A4.9050003@redhat.com> <4B93F96E.30508@nagafix.co.uk> <4B93FA18.2090808@redhat.com> <4B93FAD8.9010207@nagafix.co.uk> <4B93FBC1.3000209@redhat.com> <4B93FD94.7060508@nagafix.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Christoph Hellwig , kvm@vger.kernel.org To: Antoine Martin Return-path: Received: from mx1.redhat.com ([209.132.183.28]:45762 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751570Ab0CGTfV (ORCPT ); Sun, 7 Mar 2010 14:35:21 -0500 In-Reply-To: <4B93FD94.7060508@nagafix.co.uk> Sender: kvm-owner@vger.kernel.org List-ID: On 03/07/2010 09:25 PM, Antoine Martin wrote: > On 03/08/2010 02:17 AM, Avi Kivity wrote: >> On 03/07/2010 09:13 PM, Antoine Martin wrote: >>>> What version of glibc do you have installed? >>> >>> Latest stable: >>> sys-devel/gcc-4.3.4 >>> sys-libs/glibc-2.10.1-r1 >>> >> >> $ git show glibc-2.10~108 | head >> commit e109c6124fe121618e42ba882e2a0af6e97b8efc >> Author: Ulrich Drepper >> Date: Fri Apr 3 19:57:16 2009 +0000 >> >> * misc/Makefile (routines): Add preadv, preadv64, pwritev, >> pwritev64. >> >> * misc/Versions: Export preadv, preadv64, pwritev, pwritev64 for >> GLIBC_2.10. >> * misc/sys/uio.h: Declare preadv, preadv64, pwritev, pwritev64. >> * sysdeps/unix/sysv/linux/kernel-features.h: Add entries for >> preadv >> >> You might get away with rebuilding glibc against the 2.6.33 headers. >> > The latest kernel headers available in gentoo (and they're masked > unstable): > sys-kernel/linux-headers-2.6.32 > > So I think I will just keep using Christoph's patch until .33 hits > portage. > Unless there's any reason not to? I would rather keep my system "clean". > I can try it though, if that helps you clear things up? preadv/pwritev was actually introduced in 2.6.30. Perhaps you last build glibc before that? If so, a rebuild may be all that's necessary. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.