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.
I would normally think that this is the faulty memory. But memory was
recently replaced and tested with memtest+ for hours both before and
after freezes and it passes all tests.
One out of the ordinary thing that is running on this system is nvidia
driver. But the freezes happen even when there is no graphics activity.
Another out of the ordinary thing is that the kernel is built for
DTrace. But DTrace was never used in the sessions that had a freeze.
What is the way to diagnose this problem?
CPU: i7 CPU 920 @ 2.67GHz
Memory: 24GB
MB: P2T
Yuri
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