i have an old pci analog video capture card that uses bttv
it fills the log with timeout errors, 1 or 2 per minute
bttv: 2: timeout: drop=725178 irq=4905870/4927747, risc=2014e424, bits: HSYNC
each night i run a backup with rsync
during that backup time there are no bttv errors
the cameras continue to capture normally
i realize the details of this are probably way over my head
can anyone explain this in simple terms
i ran stress -c 2 for an hour
during this time there were no bttv timeouts
the cameras worked fine
Both observations suggest that the timeouts occur when the system is
*not* under load. It is counter-intuitive, but it can happen for
example if some elements are "put to sleep" in response to low use,
which in turns increases the latency to use them next time (because they
first have to wake up).
Note that I have no idea what's actually going on in your specific case.
Stefan
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