Messages in this thread | | | Date | Fri, 22 Sep 2006 02:00:59 +0900 | From | Tejun Heo <> | Subject | Re: JMicron 20360/20363 AHCI Controller much slower with 2.6.18 |
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Andrew Lyon wrote: > Hi, > > I have a Gigabyte GA_965P_DS3 with Core 2 Duo CPU, wd raptor connected > to onboard JMicron 20360/20363 AHCI Controller, with 2.6.18 the drive > is very slow: > > beast ~ # uname -a > Linux beast 2.6.18 #1 SMP Wed Sep 20 15:04:24 BST 2006 i686 Intel(R) > Core(TM)2 C > PU 6600 @ 2.40GHz GNU/Linux > beast ~ # hdparm -t /dev/sda > > /dev/sda: > Timing buffered disk reads: 100 MB in 3.02 seconds = 33.10 MB/sec
Which IO scheduler are you using? If you're using anticipatory or cfq, can you try deadline?
Thanks.
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