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    SubjectRe: AMD64 X2 lost ticks on PM timer
    On Wed, Mar 01, 2006 at 10:43:13AM -0500, Bill Rugolsky Jr. wrote:

    > My guess is the sata_nv driver, as it happens during heavy local file read.
    > The machines all have 2-4 SATA WD Raptors connected to the mobo.

    I have 4 SATA disks connected to an nForce4, being part of an md/raid5
    array. If I start bonnie on the raid5 array, I get:

    warning: many lost ticks.
    Your time source seems to be instable or some driver is hogging interupts
    rip __do_softirq+0x3b/0xa1

    So sata_nv definitely looks fishy.


    MTA SZTAKI Computer and Automation Research Institute
    Hungarian Academy of Sciences
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