Date: Wed, 18 Apr 2007 00:50:22 GMT From: Kris Kennaway <kris@obsecurity.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/111766: "panic: ffs_blkfree: freeing free block" during disk activity Message-ID: <200704180050.l3I0oM6l028173@freefall.freebsd.org>
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The following reply was made to PR kern/111766; it has been noted by GNATS. From: Kris Kennaway <kris@obsecurity.org> To: Alex Mogilnikov <alx@alx2.intellectronika.ru> Cc: FreeBSD-gnats-submit@FreeBSD.org Subject: Re: kern/111766: "panic: ffs_blkfree: freeing free block" during disk activity Date: Tue, 17 Apr 2007 20:49:13 -0400 On Tue, Apr 17, 2007 at 01:07:09PM -0000, Alex Mogilnikov wrote: > > >Number: 111766 > >Category: kern > >Synopsis: "panic: ffs_blkfree: freeing free block" during disk activity > >Confidential: no > >Severity: serious > >Priority: medium > >Responsible: freebsd-bugs > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Tue Apr 17 13:40:01 GMT 2007 > >Closed-Date: > >Last-Modified: > >Originator: Alex Mogilnikov > >Release: FreeBSD 6.2-RELEASE-p3 i386 > >Organization: > >Environment: > System: FreeBSD alx2.intellectronika.ru 6.2-RELEASE-p3 FreeBSD 6.2-RELEASE-p3 #3: Tue Apr 3 03:12:35 YEKST 2007 alx@alx2.intellectronika.ru:/usr/obj/usr/src/sys/MYKERNEL i386 > > MB: ASUS A8N-VM > HDD: Seagate ST320014A 3.07 > > >Description: > panic: ffs_blkfree: freeing free block during heavy disk activity > (while converting large video files, doing filesystem dump, etc.) > > This appears after 6.1-R -> 6.2-RC2 upgrade (with the same hardware). In my experience this often is associated to a failing drive. Also make sure you don't have lingering filesystem corruption (fsck -fy from single-user mode). kris
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