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SubjectRe: [Ext2-devel] Re: 2.4.6 and ext3-2.4-0.9.1-246
Mike Black wrote:
> Ummm...that would be the version(s) mentioned in the subject line???? :-)


OK, there was a nasty bug in 0.9.1 which I was not able to trigger
in a solid month's testing. But others with more worthy hardware
were able to find it quite quickly. Stephen fixed it in 0.9.2.
I don't know if it explains the failure you saw. This:

EXT3-fs error (device md(9,0)): ext3_new_inode: reserved
inode or inode > inodes count - block_group = 0,inode=1

is nasty. The LRU cache of inode bitmaps got wrecked. Ugly.

Maybe one more try?

> My .config has
> # CONFIG_NOHIGHMEM is not set
> # CONFIG_HIGHMEM64G is not set
> I've got 2G of RAM
> And the main thing I noticed was kswapd going nuts -- this was NOT observed
> with the same tiobench on ext2 (same filesystem). The performance with ext3
> reduced by about 66% on two threads -- and I think that is due to kswapd
> hogging CPU time.

Yup. I've nailed this one - it's lovely.

I'll be back.

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