Displaying 1 result from an estimated 1 matches for "hardunderun".
2010 Sep 08
2
Problem with new AEX800 card dying because of interrupt problems
...creasing latency to 8 ms in
order to compensate.
wctdm24xxp 0000:04:08.0: ERROR: Unable to service card within 25 ms and
unable to further increase latency.
Eventually, it gets to be too much and the card dies:
wctdm24xxp 0000:04:08.0: Host failed to service card interrupt within
128 ms which is a hardunderun.
oh and also:
wctdm24xxp 0000:04:08.0: Power alarm on module 4, resetting!
Now, these interrupt problems have occured inside and outside a VM. So
far I've had the very unhelpful advice to "move the interrupt". Given
that this is a PCI express board, and should be delivering MSI
inte...