Re: [PATCH 1/5] Fix soft-lookup in stop machine on secondary cpubring up

[Shuah Khan]

On Wed, 2012-05-09 at 12:24 +0200, Igor Mammedov wrote:
> When bringing up cpuX1, it could stall in start_secondary
> before setting cpu_callin_mask for more than 5 sec. That forces
> do_boot_cpu() to give up on waiting and go to error return path
> printing messages:
>   pr_err("CPU%d: Stuck ??\n", cpuX1);

I am seeing this with the linux-next May 7th build on my laptop HP
EliteBook 8440p during boot. Could this problem be not specific to virt
envs.? Anybody else seeing it?

-- Shuah


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