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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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