[rt2x00-users] rt2x00: status update regarding txdone handling

Helmut Schaa helmut.schaa at googlemail.com
Fri Jul 30 02:30:37 AEST 2010


Am Donnerstag 29 Juli 2010 schrieb Ivo Van Doorn:
> Hi,
> 
> > I'm still fighting with the txdone handling in rt2800pci. Sometimes the tx
> > queues get stuck. It took me a few days but it seems as if the TX_STA_FIFO
> > register limitation to hold max 16 entries is causing this problem.
> 
> Weird, for rt2800usb this doesn't seem to be the problem. The queue locks
> up even when I continuously read the TX_STA_FIFO register.

Maybe I should add that this behaviour only happens when running iperf
from the SoC board to an associated client. And the host CPU utilization
is near to 100%.

Helmut




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