panic after starting jail

Iain Dooley iain at
Tue Oct 24 00:16:27 UTC 2006

hi there,

> uname -a
FreeBSD 6.1-RELEASE FreeBSD 6.1-RELEASE #0: Sun 
May  7 04:42:56 UTC 2006 
root at  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?


iain dooley

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