Messages in this thread | | | Subject | Re: it821x eats CPU? | From | Alan Cox <> | Date | Wed, 11 Oct 2006 20:13:41 +0100 |
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Ar Sad, 2006-10-07 am 09:27 +0200, ysgrifennodd Heinz Ulrich Stille: > Looking through the logs I notices that it821x was in "smart" mode, > so I restarted the system with "noraid=1" to get into "pass through". > Now everything is back to normal. A large dd did about 40MB/s without > disturbing other processes.
In some configurations the it821x driver was not enabling DMA in smart mode.
> Wasn't smart mode the one supposed to be the one reducing CPU load?
For RAID1 yes, otherwise not measurably at all.
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