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    SubjectRe: AMD64 X2 lost ticks on PM timer
    On Fri, Mar 03, 2006 at 05:09:57PM -0500, Jeff Garzik wrote:
    > Or sata_nv/libata is to blame.

    In case you are coming late to the thread:

    The lost ticks are closely correlated with sata_nv disk activity on
    multiple disks, and the problem is easily reproducable with "find /usr |
    cpio -o >/dev/null" on an MD RAID1 -- but not on a single disk.

    Andi suggested:

    Yes, I bet something forgets to turn on interrupts again and it's
    picked up by (and blamed on) the next guy who does an unconditional
    sti, which happens to be __do_sofitrq or idle.

    That sounds right to me.

    I built 2.6.16-rc5-git6 yesterday, and it still suffers from the same

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