Re: smp_call_function_single lockups

From: Linus Torvalds
Date: Wed Apr 01 2015 - 12:14:05 EST

On Wed, Apr 1, 2015 at 9:10 AM, Chris J Arges
<chris.j.arges@xxxxxxxxxxxxx> wrote:
> Even with irqbalance removed from the L0/L1 machines the hang still occurs.
> This results in no 'apic: vector* or 'ack_APIC*' messages being displayed.

Ok. So the ack_APIC debug patch found *something*, but it seems to be
unrelated to the hang.

Dang. Oh well. Back to square one.

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