On Fri, Dec 26, 2014 at 2:57 PM, Dave Jones <da...@codemonkey.org.uk> wrote:
>
> still running though..
Btw, did you ever boot with "tsc=reliable" as a kernel command line option?
For the last night, can you see if you can just run it with that, and
things work? Because by now, my gut feel is that we should start
derating the HPET rather than the TSC, especially going forward on
modern hardware. And if this is some subtle timing issue with our hpet
code (the whole -ETIME thing when getting close to setting a timer is
subtle, for example, even if the HPET hardware itself would be ok),
I'm wondering if the fix isn't to just stop believing in HPET if there
are better alternatives around.
So I'm not even convinced that trying to debug some HPET issue is
really worth it. Especially if your machine is a preproduction board
from Intel.
But verifying that with just the TSC everything is ok might still be worth it.
Linus
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