Re: BUG: softraid,ext3 lockup

[Marcelo Tosatti]

On Fri, 3 Oct 2003 elmer@xxxxxxxxxx wrote:

> 
> 2.4.22 this time, on Xeon x335, / is raid1+ext3, journal size=128M
> 
> dd if=/dev/zero of=/tmp/jama bs=1M count=1000
> 
> on other softraid servers I have, this gets load to 3-4 , performance is
> bad, the same behaviour is present, but tolerable.
> Dual Xeon(exact same HW and conf with 2 cpus) now is about tolerable also
> 
> single  Xeon, with or without ht, still gets very stuck, load goes quickly
> 7-9, ls /directoryNotInCache takes 10 secs, cpu is idle, related processes
> are in D state, as / is on same raid,everything sucks like hell..
> additionally, something that might give a clue: when I mount the partition
> with noatime, load gets quickly to 30...40..50

Weird.

Which kernel does not show this behaviour? 

Thank you

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