7.2-release/amd64: panic, spin lock held too long

Attilio Rao attilio at freebsd.org
Thu Sep 17 09:16:56 UTC 2009

2009/9/17 C. C. Tang <hiyorin at gmail.com>:
>>> Dan, is that machine equipped with Hyperthreading?
>>> Attilio
>> Yes. It's an Intel Atom 330, which is a dualcore CPU with HT (4 cores
>> visible in "top" as a result)
> Yes, mine is also Atom 330.
> I cannot test the patch because my machine is also in production now. But I
> have tested it with hyperthreading.
> powerd with HyperThreading -> spin lock hold too long
> powerd without HyperThreading -> no problem
> no powerd with/without HyperThreading -> no problem

But these are with the last patch I posted in?
(specifically, for 7.2:

So with the patch in, powerd and hyperthreading on you still get a deadlock?


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