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SubjectRe: deadlocks if use htb
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On Thu, 15 Jan 2009, Jarek Poplawski wrote:
> On Thu, Jan 15, 2009 at 12:00:50PM +0000, Chris Caputo wrote:
> ...
> > I wish I had a repro scenario in a non-production environment, so I could
> > help out further with this. If I did, I would test without nmi_watchdog
> > while trying just 2.6.28 and Jarek's #4 patch.
>
> I think this watchdog doesn't matter too much yet. Probably it's more
> about hardware (smp, maybe kind of hw timer), and high traffic vs. htb
> rules.

Per Thomas' comment in http://bugzilla.kernel.org/show_bug.cgi?id=10944
regarding broken hrtimers:

--
nmi_watchdog=1 disables the local apic timers and therefor highres/nohz

Try to use nmi_watchdog=2 instead.
--

Chris


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