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Date:      Wed, 23 Sep 2009 16:33:33 GMT
From:      Alphazo <alphazo@gmail.com>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   misc/139089: Panic: ffs_blkfree
Message-ID:  <200909231633.n8NGXX0s097003@www.freebsd.org>
Resent-Message-ID: <200909231640.n8NGe1Fc046518@freefall.freebsd.org>

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>Number:         139089
>Category:       misc
>Synopsis:       Panic: ffs_blkfree
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Sep 23 16:40:01 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     Alphazo
>Release:        8.0RC1
>Organization:
>Environment:
>Description:
Installation done on 1.5TB SATA drive connected to an D945GCLF2 board with Hyperthreading disabled in BIOS.

System was doing pretty much nothing (command prompt) and I got hit by :

dev = ad12s1f, block = 725797872, fs = /usr
panic: ffs_blkfree: freeing free block
cpuid = 1
Uptime: 2h14m45s
Cannot dump. Device not defined or unavailable.
Automatic reboot in 15 seconds - press a key on the console to abort
panic: bufwrite: buffer is not busy???
cpuid = 1

And then the system hangs (and does not reboot).

This is the second time I get this error today. Last time when the system rebooted it started fscking and then I got hundreds of ACPI Exception: AE_AML_INFINITE_LOOP error (reported here: http://www.freebsd.org/cgi/query-pr.cgi?pr=139088)
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:



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