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I tried the Linux 2.6.0 kernel and experienced a major slowdown of KMail when it tries to display a larger folder (~2-5k mails). It takes roughly 15 seconds under 2.6 but under 2 seconds under 2.4 (a rough estimation). The mail directory is on a ReiserFS (v3) partition. I guess it is somehow related to ReiserFS because when I copied the mails to an ext3 partition it worked better (but the test wasn't clean because I tried it directly after copying and perhaps the cache was filled with the correct data). Does anyone have an idea what the problem is?
No, but having the same problem
I don't know what the problem is, but I would just like to say I am experiencing the exact same thing. I found your post Googling and thought I'd chime in.
/ Peter schuller, peter.schuller@infidyne.com
have same problem
even with kernel 2.6.0-pre1
same here
I have the same Problem witch kernel 2.6.1
Andrew Morton reply
Ciaby wrote:
>
> I all!
> I've recently upgraded from 2.4 to 2.6 and I've noticed a strange thing:
> on the 2.4 kernel, kmail run decently (i've an old k6-200).
> On the 2.6 kernel, kmail slowdown and take a very long time to read a mailbox.
> I think something changed in the reiserFS during this time...
> I'm not the only experiencing this problem, read this:
> http://kerneltrap.org/node/view/1844
A buglet in kmail was tripped up by some optimisations which went into
reiserfs.
Upgrading kmail should fix it up. Or mount the reiserfs filesystems with
the `nolargeio=1' mount option.
kmail still buggy
Andrew Morton wrote:
> Upgrading kmail should fix it up. Or mount the reiserfs filesystems
> with the `nolargeio=1' mount option.
Upgrading of KMail to 3.1.5 did not help. But mounting with nolargeio=1 did help.
It seems that KMail is still buggy.
Christian Blaesing