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From: Denny Schierz <linuxmail@4lin.net>
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Date: Mon, 23 Jan 2012 13:16:22 +0100
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Subject: Howto debug Kernel problems ? (jail -r -> freeze)
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hi,

If I stop a jail (v2 with vnet), the jail doesn't completely disappear. =
"jls" shows the jail as active. If I try to remove the jail with "jail =
-r <id>" the whole machine freezes. Other users with same options (i386) =
doesn't have this problem. So how can I debug it?

http://www.mail-archive.com/freebsd-stable@freebsd.org/msg118936.html

9.0-STABLE FreeBSD 9.0-STABLE #0: Tue Jan 17 09:05:42 CET 2012=20

SPARC Sunfire v245

cu denny=