Re: kernel performance update - 2.6.14

[Nick Piggin]

jmerkey wrote:
> jmerkey wrote:

> > Yes I did. The list wasn't too long. I had problems with RCU messages 
> > and irq warn messages at very high loads and init respawning itself 
> > subjected to loads > 369 MB/S to the disk channels on 2.6.13. 
> > Performance was down on disk I/O [vs.] 2.6.9. I did not investigate 
> > the BIO fixes but something changed there. Theres also some memory 
> > problems with corruption somewhere in the 2.6.14 (during module unload 
> > and shutdown).

Well that doesn't sound too good. It would be good if you could document
and report each problem - the messages, workload, kernel config and any
patches used, etc. And post them to lkml. Hopefully they can get sorted
out.

Thanks,
Nick

--
SUSE Labs, Novell Inc.

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