Computer blocked because of error smpboot CPU2: Not responding

[Reindl Harald]

Am 12.07.2013 19:49, schrieb Paul Smith:
> I am experiencing the following problem while booting Fedora 19:
> 
> smpboot: CPU2: Not responding.
> 
> The computer seems to be blocked. Is there some way of rebooting it
> without having to power off the computer?

https://www.kernel.org/doc/Documentation/kernel-parameters.txt

nosmp		[SMP] Tells an SMP kernel to act as a UP kernel,
	        and disable the IO APIC.  legacy for "maxcpus=0"


however, if one CPU or core doe snot respond
all the time assume your hardware is dying


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