From j@uriah.heep.sax.de Mon Jun 30 20:34:44 2008 Return-Path: Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0C3441065671 for ; Mon, 30 Jun 2008 20:34:44 +0000 (UTC) (envelope-from j@uriah.heep.sax.de) Received: from uriah.heep.sax.de (uriah.heep.sax.de [213.240.137.9]) by mx1.freebsd.org (Postfix) with ESMTP id A7A6C8FC13 for ; Mon, 30 Jun 2008 20:34:43 +0000 (UTC) (envelope-from j@uriah.heep.sax.de) Received: by uriah.heep.sax.de (Postfix, from userid 107) id 942845F5; Mon, 30 Jun 2008 22:34:42 +0200 (MET DST) Message-Id: <20080630203442.GA1469@uriah.heep.sax.de> Date: Mon, 30 Jun 2008 22:34:42 +0200 From: Joerg Wunsch Reply-To: Joerg Wunsch To: freebsd-gnats-submit@freebsd.org Subject: [kern/114676] snapshot creation panics: snapacct_ufs2: bad block >Number: 125127 >Category: kern >Synopsis: [kern/114676] snapshot creation panics: snapacct_ufs2: bad block >Confidential: no >Severity: serious >Priority: medium >Responsible: gavin >State: closed >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jun 30 20:40:03 UTC 2008 >Closed-Date: Mon Jun 30 21:33:18 UTC 2008 >Last-Modified: Mon Jun 30 21:33:18 UTC 2008 >Originator: >Release: >Organization: >Environment: >Description: FreeBSD-7-stable is completely unstable for me due to this panic. I used to have regular snapshots enabled on /var and /home. While there has been random (and not quite reproducible) file corruption happened within snapshotted binary files in the past, after upgrading from FreeBSD 6.x to 7-stable, the system went completely unstable due to this panic. It crashes every couple of days now. I have already disabled the regular snapshots, but it's got a tendency for a complete hard lockup during startup after a crash. The only remedy then is to manually fsck everything in single-user mode. Here's the dump information from the recent crash dumps: Dump header from device /dev/ad4s1b Architecture: i386 Architecture Version: 2 Dump Length: 317976576B (303 MB) Blocksize: 512 Dumptime: Wed Jun 25 04:10:25 2008 Hostname: uriah.heep.sax.de Magic: FreeBSD Kernel Dump Version String: FreeBSD 7.0-STABLE #5: Tue Jun 17 15:06:46 MET DST 2008 r@uriah.heep.sax.de:/usr/obj/usr/src/sys/URIAH Panic String: snapacct_ufs2: bad block Dump Parity: 558154102 Bounds: 42 Dump Status: good Dump header from device /dev/ad4s1b Architecture: i386 Architecture Version: 2 Dump Length: 180707328B (172 MB) Blocksize: 512 Dumptime: Mon Jun 30 22:05:09 2008 Hostname: uriah.heep.sax.de Magic: FreeBSD Kernel Dump Version String: FreeBSD 7.0-STABLE #6: Mon Jun 30 21:24:35 MET DST 2008 root@uriah.heep.sax.de:/usr/obj/usr/src/sys/URIAH Panic String: snapacct_ufs2: bad block Dump Parity: 859829782 Bounds: 43 Dump Status: good I'm going to avoid /any/ kind of snapshot (even dump -L) now just to get a stable system again (hopefully). -- cheers, J"org .-.-. --... ...-- -.. . DL8DTL http://www.sax.de/~joerg/ NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-) >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: State-Changed-From-To: open->closed State-Changed-By: gavin State-Changed-When: Mon Jun 30 21:32:33 UTC 2008 State-Changed-Why: Misfiled followup to kern/114676, content migrated Responsible-Changed-From-To: gnats-admin->gavin Responsible-Changed-By: gavin Responsible-Changed-When: Mon Jun 30 21:32:33 UTC 2008 Responsible-Changed-Why: http://www.freebsd.org/cgi/query-pr.cgi?pr=125127 >Unformatted: