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    SubjectRe: [BISECTED] 2.6.35.*: horrible (exponential? >linear) slowdown to unusability (HPET)
    From
    > John, Damien, you seem to be experiencing this: are you using HPET as
    > your clocksource? Do you also have ICH10 82801JIs, or is this more
    > widespread?
    >
    I am not using hpet as my clocksource.

    jmd1 ~ # uname -a
    Linux jmd1 2.6.35-std160-amd64 #2 SMP Fri Aug 13 18:42:02 UTC 2010
    x86_64 Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz GenuineIntel GNU/Linux
    jmd1 ~ # cat /sys/devices/system/clocksource/clocksource0/current_clocksource
    tsc

    I do have ICH10 82801JI

    jmd1 ~ # lspci -v | grep 82801JI
    00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
    UHCI Controller #4 (prog-if 00 [UHCI])
    Subsystem: Intel Corporation 82801JI (ICH10 Family) USB UHCI
    Controller #4
    00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
    UHCI Controller #5 (prog-if 00 [UHCI])
    Subsystem: Intel Corporation 82801JI (ICH10 Family) USB UHCI
    Controller #5
    00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
    UHCI Controller #6 (prog-if 00 [UHCI])
    Subsystem: Intel Corporation 82801JI (ICH10 Family) USB UHCI
    Controller #6
    00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2
    EHCI Controller #2 (prog-if 20 [EHCI])
    Subsystem: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI
    Controller #2
    00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD
    Audio Controller
    Subsystem: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller
    00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI
    Express Root Port 1 (prog-if 00 [Normal decode])
    Capabilities: [90] Subsystem: Intel Corporation 82801JI (ICH10
    Family) PCI Express Root Port 1
    00:1c.1 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI
    Express Port 2 (prog-if 00 [Normal decode])
    Capabilities: [90] Subsystem: Intel Corporation 82801JI (ICH10
    Family) PCI Express Port 2
    00:1c.2 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI
    Express Root Port 3 (prog-if 00 [Normal decode])
    Capabilities: [90] Subsystem: Intel Corporation 82801JI (ICH10
    Family) PCI Express Root Port 3
    00:1c.4 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI
    Express Root Port 5 (prog-if 00 [Normal decode])
    Capabilities: [90] Subsystem: Intel Corporation 82801JI (ICH10
    Family) PCI Express Root Port 5
    00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
    UHCI Controller #1 (prog-if 00 [UHCI])
    Subsystem: Intel Corporation 82801JI (ICH10 Family) USB UHCI
    Controller #1
    00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
    UHCI Controller #2 (prog-if 00 [UHCI])
    Subsystem: Intel Corporation 82801JI (ICH10 Family) USB UHCI
    Controller #2
    00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
    UHCI Controller #3 (prog-if 00 [UHCI])
    Subsystem: Intel Corporation 82801JI (ICH10 Family) USB UHCI
    Controller #3
    00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2
    EHCI Controller #1 (prog-if 20 [EHCI])
    Subsystem: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI
    Controller #1
    00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface Controller
    Subsystem: Intel Corporation 82801JIR (ICH10R) LPC Interface Controller
    00:1f.2 SATA controller: Intel Corporation 82801JI (ICH10 Family) SATA
    AHCI Controller (prog-if 01 [AHCI 1.0])
    00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller
    Subsystem: Intel Corporation 82801JI (ICH10 Family) SMBus Controller
    jmd1 ~ #


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