Re: 2.6.0: something is leaking memory

[Erik Hensema]

On Mon, Jan 05, 2004 at 11:18:52AM -0500, Ricky Beam wrote:
> On 4 Jan 2004, Roland Dreier wrote:
> >Yup, looks like IPv6 is leaking memory (since your netstat shows
> >nowhere near 19K sockets):
> >
> > > tcp6_sock          19729  19732   1024    4    1 : tunables   54   27    0 : slabdata   4933   4933      0
> >
> >Now to figure out why...
> 
> Of course, there are a lot of sockets in CLOSE_WAIT.  That's where I'd
> start looking... if I actually cared about IPv6 :-)  There used to be the
> same sort of problem for IPv4 (sockets would never go away), but no one
> ever fixed it -- a rewrite of the network stack made it go away.

Those sockets in CLOSE_WAIT state are due to a filedescriptor leak in nscd
(or nss_ldap), which is a userspace problem.
It does however make the leak in kernelspace more visible it seems.
-- 
Erik Hensema (erik@xxxxxxxxxxx)
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