Is it possible you have a bad ethernet cable? That kind of error sounds like either a bad cable or a bad port on the switch. I'm not saying it's not a driver bug, but if it's generating CRC errors on the other side, that's sounding very hardwareish! -Brian On Jan 12, 8:33pm, Sridhar Ayengar wrote: } Subject: Re: wm(4) problems } Brian Buhrow wrote: } > The dmesg output might be a good idea. We're running a number of } > wm(4) devices in our network, and we have virtually no trouble with them. } > We have both copper and fiber-based wm(4) devices, and all work great. } > This is with a mix of 3.0 and 3.1 kernels in production environments, so } > they run for months and years at a time. } } I'll get you the dmesg as soon as the ethernet interface comes back up. } } Peace... Sridhar >-- End of excerpt from Sridhar Ayengar