Date: Wed, 29 Jun 2005 15:28:09 +0200 From: =?ISO-8859-1?Q?Eirik_=D8verby?= <eirik@unicore.no> To: Brian Fundakowski Feldman <green@freebsd.org> Cc: stable@freebsd.org Subject: Re: Jails that won't die... Message-ID: <CA38D1F9-3976-4DE9-BED1-DB8935EDD1D4@unicore.no> In-Reply-To: <20050628145859.GC1074@green.homeunix.org> References: <92135CB3-5540-4D06-A991-708C8AAD6AC7@unicore.no> <20050628145859.GC1074@green.homeunix.org>
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On 28. jun. 2005, at 16.58, Brian Fundakowski Feldman wrote: > On Tue, Jun 28, 2005 at 10:37:29AM +0200, Eirik =D8verby wrote: > >> Hi, >> >> I have, since upgrading to 5.x and updating my management tools, seen >> a number of problems relating to stopping jails. >> >> I'm maintaining several hosts with a number of full-featured jails >> (i.e. full virtual FreeBSD installations in each jail), and in >> general this works fine. However, whenever I stop a jail using 'jexec >> <id> kill -SIGNAL -1' or 'jexec <id> /bin/sh /etc/rc.shutdown' (in >> various combinations), jails have a tendency to stick around for >> minutes or hours - according to 'jls'. Often I see an entry in >> 'netstat -a' indicating that there is one or more sockets in FIN_WAIT >> state, preventing the jail from coming down. Taking the virtual >> network interface (alias) down does not help. All I can do at this >> point is wait. >> >> I normally use 'jls' to determine whether or not a jail can be >> restarted (i.e. it's not running), but this is pretty useless in such >> cases. And right now I have a case where 'netstat -a' shows me >> nothing pertaining to the jail, though it has no processes running. I >> have therefore force-started the jail again, which seems to work >> nicely, but now 'jls' gives me two entries for this jail, with >> different JIDs. >> >> What am I doing wrong here? >> > > You could just use ps to check for jailed processes and check their > respective jails using the procfs status entry (at least according > to the ps manpage...) My jailctl script can do both - list by jls and list by processes in =20 the jail. There are NO processes running in the jail. /Eirik > > --=20 > Brian Fundakowski Feldman =20 > \'[ FreeBSD ]''''''''''\ > <> green@FreeBSD.org \ The Power =20 > to Serve! \ > Opinions expressed are my own. =20 > \,,,,,,,,,,,,,,,,,,,,,,\ > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-=20 > unsubscribe@freebsd.org" > > >
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