On 08/09/2011 06:33 PM, Nick wrote:
Hi,
Just joined this list, looking for leads to solve a similar-sounding problem
(guest processes hanging for seconds or minutes when host IO load is high).
I'll say more in a separate email, but I caught the end of this thread and
wanted to ask about kvm-clock.
Naively I'd have thought that using the wrong clock would not actually *cause*
hangs like this. Or is that what you're implying?
Using the wrong clock easily causes hangs. The system schedules a
wakeup in 3 ms, wrong clock causes it to wakeup in 3 years, you get a
hang for (3 years - 3 ms).
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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