On Fri, 20 Dec 2002, Matthew Dillon wrote:

> :Hi,
> :
> :It seems that kern/32672 is not fixed yet on FreeBSD 4.5-STABLE.
> :
> :System 4Gb RAM, 4x700MHz
> :
> :When the system is not using all RAM, the FFS node memory grows up to a
> :limit of 102400K which leads to a system deadlocking.
>
>     Well, there was some further work done to the vnode reclamation
>     code after the 4.5 release.  RELENG_4_5 has 1.249.2.23
>     RELENG_4_6 has 1.249.2.27.  Peter Wemm introduced a major upgrade
>     to the vnode reclamation in 1.249.2.24.
>
>     I don't think I can really go back and backport this stuff to the
>     4.5 branch.  If you upgrade to 4.6 or 4.7 and still have the problem
>     I can look into it (the differences in this particular area of code
>     between 4.6 and 4.7 are minor and it would be easy to make fixes in
>     both branches).
>
>                                               -Matt

So, at least a possible cause of the server halts seems to have been
cleared. As for now, we'll see if this server can be saved from the
block-outs by periodically checking the freevnodes value and running a
ram-consuming program to free vnodes if this value is getting too low. Or
eventually upgrading to a new version.

Thank you for the answer

----
Alexander Varshavchick, Metrocom Joint Stock Company
Phone: (812)118-3322, 118-3115(fax)




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