FreeBSD 6.2-RC2 Available - networking zoneli freeze problem
Bruce A. Mah
bmah at freebsd.org
Tue Jan 9 15:57:33 UTC 2007
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
>>> 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.?
That's a good idea. Do you have more specifics (e.g. any particular
nmbclusters value, other workarounds, etc.)?
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 249 bytes
Desc: OpenPGP digital signature
Url : http://lists.freebsd.org/pipermail/freebsd-stable/attachments/20070109/03492288/signature.pgp
More information about the freebsd-stable