Date: Tue, 09 Jan 2007 07:57:02 -0800 From: "Bruce A. Mah" <bmah@freebsd.org> To: LI Xin <delphij@delphij.net> Cc: peter@holm.cc, Thomas Herrlin <junics-fbsdstable@atlantis.maniacs.se>, Ken Smith <kensmith@cse.Buffalo.EDU>, freebsd-stable@freebsd.org Subject: Re: FreeBSD 6.2-RC2 Available - networking zoneli freeze problem still exist. Message-ID: <45A3BB4E.3@freebsd.org> In-Reply-To: <4593E790.8080509@delphij.net> References: <1167247246.96863.23.camel@opus.cse.buffalo.edu> <4593DC34.2030308@atlantis.maniacs.se> <1167320870.52842.20.camel@opus.cse.buffalo.edu> <4593E790.8080509@delphij.net>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --] If memory serves me right, LI Xin wrote: > Ken Smith wrote: >> On Thu, 2006-12-28 at 16:01 +0100, Thomas Herrlin wrote: >>> It still runs networking daemons into a frozen zoneli state on >>> heavy/(D)DOS network loads. Such processes cant be kill-9ed so there is >>> no way to recover from it. (think frozen sshd and a very remote/headless >>> server). >>> See the stress test panic called 'Ran out of "128 Bucket" >>> <http://people.FreeBSD.org/%7Epho/stress/log/cons210.html>' on the 6.2 >>> todo list and my own latest test here: >>> http://www.maniacs.se/~junics/temp/vmstat-z.txt >>> This test was on a new 6.2-RC2 install with no zone limit tweaks nor any >>> sbsize limits in /etc/login.conf. >>> I just made a vm disk image with replication instructions, however Peter >>> Holm have replicated it with his own tools so i have not bothered with >>> it until now. >> That problem is being worked on but won't be fixed for 6.2-REL. >> Depending on how complex the fix winds up being it may be an Errata >> candidate when the time comes. > > Perhaps we should mention some known workarounds in the errata > documentation. E.g. raising nmbclusters limit, etc.? That's a good idea. Do you have more specifics (e.g. any particular nmbclusters value, other workarounds, etc.)? Thanks, Bruce. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFo7tR2MoxcVugUsMRAtB3AJwJjObIhwSxgQ5hnEwLOkHm2D7fEQCg3Slz /7VwCyPk9aWozjxCgrBBzdU= =pK5V -----END PGP SIGNATURE-----
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?45A3BB4E.3>