On 11/26/2010 09:50 AM, Zhu Sha Zang wrote:

I run the compilation without X, and try to acces over ssh. I can enter in 
machine, but so slowly.

The system become unresponsive. If I stay the compilation process end, i can 
use the system again.

Okay, that's not a 'freeze' (as I normally use that word), the machine is just
too busy to listen to you. (Like a boy who is busy playing a computer game won't
listen to his parents :)

The same thing happens to me whenever I compile firefox, for example, because
memory fills up at one point and the machine starts swapping to disk.  When
the machine starts swapping to disk, I can't use the machine at all for about
five minutes until the swapping finally stops.

You could (for example) run "vmstat 1" in a second ssh session on the slow
machine to see if it runs out of memory during compilation.


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