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Date:      Tue, 24 Oct 2006 10:14:04 +1000 (EST)
From:      Iain Dooley <iain@iaindooley.com>
To:        freebsd-questions@freebsd.org
Subject:   panic after starting jail
Message-ID:  <20061024100925.R66105@piper.iaindooley.com>
In-Reply-To: <20061023194616.C691316A51F@hub.freebsd.org>
References:  <20061023194616.C691316A51F@hub.freebsd.org>

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hi there,

> uname -a
FreeBSD socata.scoastnet.com.au 6.1-RELEASE FreeBSD 6.1-RELEASE #0: Sun 
May  7 04:42:56 UTC 2006 
root@opus.cse.buffalo.edu:/usr/obj/usr/src/sys/SMP  i386

i'm running three jails on the above server. this morning one of them 
appears to have begun doing something diabolical to the filesystem. when i 
try to start it, i get something like:

start = 0 len = 2
panic: ffs_alloccg: map corrupted
cpuid = 0
Automatic reboot in 15 seconds

i then have to boot into single user mode and run fsck, then take 
jail_enable out of rc.conf in order to boot up.

the other two jails are fine.

i've taken a look at /var/log/messages on the host machine as well as on 
the affected jail and i can't see anything out of the ordinary.

does anyone have any clues as to how i could find out what went wrong?

sincerely,

iain dooley



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