[vortex] 3c905CX-TXM

Andrew Morton morton@nortelnetworks.com
Fri, 24 Nov 2000 04:48:53 +0000


Richard Gooch wrote:
> 
> > I note that 3com's 3c90x.c busywaits for up to one second waiting
> > for the command to complete.  So as an experiment I've asked Richard
> > to increase the loop count to 4,000,000.
> 
> Which fixes the problem. Everything seems fine now. Throughput is over
> 11 MB/s, as expected.

Ug.  How diabolical.

Thanks, Richard.  If it's OK I'll whip up a debug patch which we can
use to find out which commands are taking how long and when.