http://bugzilla.kernel.org/show_bug.cgi?id=10561
[EMAIL PROTECTED] changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
Summary|Funky HPET + processor.ko + |Funky HPET + processor.ko +
|p4_clockmod.ko = repeated |p4_clockmod.ko = repeated
|lockups |lockups - classmate PC
------- Comment #8 from [EMAIL PROTECTED] 2008-04-28 19:23 -------
Can you reproduce this when the p4_clockmod driver is not used?
(and why are you using p4_clockmod on a modern processor in the first place
instead of acpi_cpufreq?)
But it may be that p4_clockmod has nothing to do with this,
and that it is purely an hpet issue. For we switch to using
the hpet when the processor module is loaded -- as this
box has C2 we will stop using the tsc when processor is loaded
and use the next best timer, which will be the hpet if allowed...
In particular, the BIOS doesn't export the HPET on this box,
we are enabling via chipset probing:
> Force enabled HPET at base address 0xfed00000
Another thing to try is to load the processor module
with processor.max_cstate=1 (via /etc/modprobe.conf)
which will disable C2 and allow the TSC to be used instead
of the hpet. This should give you the same results as
hpet=disable, and perhaps you should be able to happily
run p4_clockmod in this case and prove that it is not
related to the hang.
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