6.1-R ? 6-Stable ? 5.5-R ?

[User Freebsd]

On Thu, 29 Jun 2006, Francisco Reyes wrote:

> Kostik Belousov writes:
>
>>> >  Approved by:    pjd (mentor)
>>> >  Revision   Changes    Path
>>> >  1.156.2.3  +16 -0     src/sys/nfsserver/nfs_serv.c
>>> >  1.136.2.3  +4 -0      src/sys/nfsserver/nfs_srvsubs.c
>>> 
>>> The above files are what I have.
>
> Yes from a 6.1 stable around 6-25-06
>
>> What this means ? That you have _this_ revisions of the files,
>> and your LA skyrocketed ?
>
> LA = load average?
>
> Our problem is vmstat  'b' column growing and nfs causing locks on the server 
> side. When the machine locked it was running a background fsck. I saw "Giant" 
> a lot in the status of the nfsd.

'k, you are going through something similar to me, it seems ... have you 
implemented the stuff on:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html

and:

enabled DDB within your kernel? (man ddb) ...

DDB is required for the deadlocks debugging ... also, is this a machine 
you have 'easy hands on' for? (ie. in my case, I'm dealing with remote 
servers, which is *really* fun) ...

Actually, what you will want to do is setup a serial console if you can, 
so that you can 'trap the output' of the commands that stuff like ps and 
all that will throw out from DDB, unless you *really* like to write?

I can help you get this all setup offlist if you wish, just email me and 
we'll work through the steps required ... once you have a debug 
environment in place, then generating a good/complete/in depth problem 
report is easier ...

----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email . scrappy at hub.org                              MSN . scrappy at hub.org
Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664