Repeated similar panics on -STABLE

Terry Lambert tlambert2 at
Sun Apr 20 13:28:02 PDT 2003

Don Lewis wrote:
> On 20 Apr, Dmitry Sivachenko wrote:
> > On Sun, Apr 20, 2003 at 01:16:16AM -0700, Don Lewis wrote:
> > Well, here is probably a misunderstanding..
> > We did NOT apply Terry's patch.  Let me quote a bit from my e-mail to Terry:
> >
> > TL> Did my patch fix your problem?
> > TL>
> > TL> Or did you tune your kernel, as I suggested, to fix your problem?
> > TL>
> > TL> Or is it still a problem?
> >
> > DS>We changed maxusers from 512 to 0 and decreased the number of
> > DS>NMBCLUSTERS.  Now everything is working fine, but since these panics occured
> > DS>about once a week I can't say for sure they are completely gone.
> > DS>Let's wait at least one more week...
> >
> > Thus I wanted to say that we only tuned maxusers and NMBCLUSTERS.  We
> > run virgin -STABLE kernel without any patches.  Probably my english leaves much
> > to be desired ;-((
> Your English seems just fine to me.
> I just got the impression from Terry that the patch is what fixed the
> problem for you.

FWIW, I got the same impression from Dmitry.

In any case, the retry in case the thing is NULL is valid, if the
thing is ever NULL.

The question of whether or not it can ever validly be NULL is really
a sidebar.

-- Terry

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