Re: Full lockup when compiling kernel with "optimal" number of threads

From: Srivatsa S. Bhat
Date: Mon Oct 03 2011 - 05:39:55 EST

On 09/03/2011 09:04 AM, Pavel Ivanov wrote:
> Hi,
> I can reliably reproduce a complete machine lockup when compiling
> kernel sources with "make -j". After making some progress machine
> stops responding to anything (including CapsLock/NumLock switching or
> mouse moving) and after hard reboot nothing is left in kern.log or
> syslog. Only attaching a serial console gives me the following clues
> to what happens:
By the way "optimal" is supposed to be make -j <nr_cpus*2> isn't it?
IIRC, "maximal" refers to make -j

Srivatsa S. Bhat <srivatsa.bhat@xxxxxxxxxxxxxxxxxx>
Linux Technology Center,
IBM India Systems and Technology Lab
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