How to diagnose system freezes?

[Doug Barton]

On 07/31/2012 17:02, Yuri wrote:
> One of my 9.1-BETA1 systems periodically freezes. If sound was playing,
> it would usually cycle with a very short period. And system stops being
> sensitive to keyboard/mouse. Also ping of this system doesn't get a
> response.

Just for fun, have you tried switching to the 4BSD scheduler in your
kernel config?

-- 

    I am only one, but I am one.  I cannot do everything, but I can do
    something.  And I will not let what I cannot do interfere with what
    I can do.
			-- Edward Everett Hale, (1822 - 1909)