FreeBSD 6.2-RC2 Available - networking zoneli freeze problem
delphij at delphij.net
Thu Dec 28 07:50:56 PST 2006
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
>> 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:
>> 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.?
Xin LI <delphij at delphij.net> http://www.delphij.net/
FreeBSD - The Power to Serve!
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