From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id l22MJ2xa030772 for ; Fri, 2 Mar 2007 17:19:02 -0500 Received: from mail2.syneticon.net (mail.syneticon.net [213.239.212.131]) by mx1.redhat.com (8.13.1/8.13.1) with ESMTP id l22MJ0HE009220 for ; Fri, 2 Mar 2007 17:19:00 -0500 Received: from localhost (localhost [127.0.0.1]) by mail2.syneticon.net (Postfix) with ESMTP id CCF2D5468B for ; Fri, 2 Mar 2007 23:18:48 +0100 (CET) Received: from mail2.syneticon.net ([127.0.0.1]) by localhost (linux [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 07542-10 for ; Fri, 2 Mar 2007 23:18:33 +0100 (CET) Received: from postfix1.syneticon.net (postfix1.syneticon.net [192.168.112.6]) by mail2.syneticon.net (Postfix) with ESMTP for ; Fri, 2 Mar 2007 23:18:33 +0100 (CET) Received: from localhost (filter1.syneticon.net [192.168.113.3]) by postfix1.syneticon.net (Postfix) with ESMTP id C199B94EE for ; Fri, 2 Mar 2007 23:18:32 +0100 (CET) Received: from postfix1.syneticon.net ([192.168.113.4]) by localhost (mx03.syneticon.net [192.168.113.3]) (amavisd-new, port 10025) with ESMTP id 72n8c2PnxnWc for ; Fri, 2 Mar 2007 23:17:30 +0100 (CET) Received: from [84.44.218.233] (xdsl-84-44-218-233.netcologne.de [84.44.218.233]) by postfix1.syneticon.net (Postfix) with ESMTP for ; Fri, 2 Mar 2007 23:18:30 +0100 (CET) Message-ID: <45E8A2B5.3020103@wpkg.org> Date: Fri, 02 Mar 2007 23:18:29 +0100 From: Tomasz Chmielewski MIME-Version: 1.0 Subject: Re: [linux-lvm] severe problems to remove invalid/full snapshots with debian-etch References: <20070302210230.GA10659@iss.tu-darmstadt.de> In-Reply-To: <20070302210230.GA10659@iss.tu-darmstadt.de> Content-Transfer-Encoding: 7bit Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: linux-lvm@redhat.com Tom Assmuth schrieb: > hi, > > i gave up using lvm2 with debian sarge cause to a lot of problems > concerning stability but now i gave it another try with my debian-etch > box. but here problems with snapshots are still severe. > > -- > used system: > kernel: 2.6.18-3-686 (normal kernel version in etch) > lvm version > LVM version: 2.02.07 (2006-07-17) > Library version: 1.02.08 (2006-07-17) > Driver version: 4.7.0 > -- > > problem: > > if a snapshot runs full (having attributes like this calling > lvs: Swi-I- ) I of course try to remove it with lvremove: > > this will throw something like this on all consoles: > > kernel BUG at mm/slab.c:595! > invalid opcode: 0000 [#1] > EIP is at kmem_cache_free+0x29/0x6d > esi: daa2f28c edi: d9439a88 ebp: 00036c68 esp: c593fdb0 > Process lvremove (pid: 25402, ti=c593e000 task=c533aaa0 task.ti=c593e000) > Stack: 15f529ae daa2f28c dd08dc68 dc86c94e dbf84220 00006d8d 00008000 daa2f240 > ... > EIP: [] kmem_cache_free+0x29/0x6d SS:ESP 0068:c593fdb0 > ... (...) Check the answer to my earlier post ("moving logical volumes to another system *remotely* - how?") by Bryn M. Reeves: This is a known issue in older kernels that was fixed upstream in 2.6.19. See: http://www.uwsg.iu.edu/hypermail/linux/kernel/0612.1/2301.html https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204791 -- Tomasz Chmielewski http://wpkg.org