Re: Possible dcache BUG

From: William Lee Irwin III
Date: Fri Aug 06 2004 - 12:36:38 EST


On Friday 06 August 2004 12:58, Linus Torvalds wrote:
>> Now, Chris Shoemaker reported dentry problems on a intel CPU and
>> said that wli had seen something too, but I'm wondering whether
>> Chris and wli might have been seeing the knfsd/xfs-related dentry
>> bug that I found yesterday. So I think the prefetch theory is still
>> alive, but we should check with Chris. Chris?

On Fri, Aug 06, 2004 at 01:16:24PM -0400, Gene Heskett wrote:
> I'm still up, a bit over 24 hours now. :) Free memory is slowly going
> away, I ran mozilla for a while which got rid of about 60 megs, and
> now I see I'm down to 23 free, whereas at the 11 hour up marker I had
> nearly 130 megs free yet. I've got to go to town, so that will leave
> seti and kmail doing their thing till I get back. If it goes down,
> hopefully it will record something, unlike the last couple of times.

I've not had issues around the dcache for quite some time, I think not
since the 2.5.65 timeframe. IIRC maneesh and dipankar had some fixes
that resolved all my issues not long afterward. So unfortunately I have
nothing strictly dcache-related to report. Chris may have been
referring to some potentially pathological NFS behavior I've seen for a
long time centered around extended periods of knfsd unresponsiveness.

-- wli
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