Posting here, as requested by nikita:

reiser4[pdflush(27198)]: capture_anonymous_page 
(fs/reiser4/plugin/file/file.c:999)[nikita-3329]:
WARNING: Cannot capture anon page: -28
reiser4[pdflush(27198)]: capture_anonymous_pages 
(fs/reiser4/plugin/file/file.c:1058)[vs-1454]:
WARNING: failed for moved page: result=-28 (captured=0)

I'm getting lots of those in my kernel log. The filesystem (which is 
root) was fsck'ed a few days ago and there have been no dirty reboots 
since then. I've been using it in normal desktop/Gentoo setup, not 
benchmarking nor doing anything special.

Running 2.6.9-cko2.

- Tronic -