Messages in this thread | | | Date | Sun, 25 Jun 2006 15:23:25 +0200 | From | Paolo Ornati <> | Subject | Re: 2.6.17-ck1: fcache problem... |
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On Sun, 25 Jun 2006 12:28:39 +0200 Jens Axboe <axboe@suse.de> wrote:
> > [ 26.673525] fcache: found serial 33, expected 34. > > [ 26.673529] fcache: reprime the cache! > > [ 26.673535] ext3: failed to open fcache (err=-22) > > Hmm, and you are sure that the fs is properly umounted on reboot? Or is > it just remounted ro? It looks like fcache_close_dev() isn't being > called, so the cache serial doesn't match what we expect from the fs, > hence fcache bails out since it could indicate that the fs has been > changed without fcache being attached.
Ahh... it is the root fs and it's just remounted read-only by the standard Gentoo scripts ;)
I don't think that unmounting it is trivial (you need to chroot to a virtual FS or something...). Does any distro do it?
> > What kind of speedup did you see?
with cold caches...
NORMAL from Grub to KDM login 42"5 (~6" to reach init) KDE 3.5.3 startup 10" Firefox 7"
FCACHE from Grub to KDM login 31"4 (~6" to reach init) KDE 3.5.3 startup 4" Firefox 2"4
:)
-- Paolo Ornati Linux 2.6.17.1 on x86_64 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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