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    SubjectRe: [BISECTED] 2.6.35.*: horrible (exponential? >linear) slowdown to unusability (HPET)
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    On 10 Sep 2010, Artur Skawina spake thusly:
    > I'm seeing this too, except here it happens every couple of days of uptime,
    > lasts for a few minutes, and then goes away. Which made bisecting a bit
    > impractical... Thank you for doing it.

    I just happened to be the lucky sod for whom it was consistently going
    wrong. :)

    > HW is similar; x64 and X58/82801JI/ICH10, tsc clocksrc.
    > Did that printk trigger?

    No.

    (hm, odd.

    spindle:~# cat /sys/devices/system/clocksource/clocksource0/current_clocksource
    tsc

    spindle:~# grep -i tsc /proc/timer_list
    spindle:~# grep -i hpet /proc/timer_list
    Clock Event Device: hpet
    set_next_event: hpet_legacy_next_event
    set_mode: hpet_legacy_set_mode

    I suspect current_clocksource doesn't do what we think it does, or the
    clocksource and 'clock event device' are not the same.)


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