On Wed, Sep 02, 2009 at 07:54:55PM +0000, Bill Gatliff wrote: > Bill Gatliff <bgat@...> writes: > > > > > Guys: > > > > I'm testing at 115K under minicom, with a USA-49WLC and a USA-19QW, and > > seeing the same problems with both. This is on a 2.6.30 amd64 kernel. > > > > Put simply, the serial link seems to "lock" up after sending or > > receiving just a few bytes, but the details of the hang aren't always > > the same. Sometimes, it seems like all I/O has stopped; other times, I > > lose the echo but the target responds as though the bytes are getting > > through. And still other times, after I kill minicom the bytes show up > > on my console. And finally, after killing and then restarting minicom > > the bytes magically go through to the target. > > I just re-tested on the same workstation with an FTDI device, and didn't observe > any issues at all. So it seems like this problem might be Keyspan-specific. > Or, at least, it doesn't affect (some) FTDI devices. It might be, but nothing has changed in that driver in a long time, becides the whole tty layer rework, so I really don't know what to say. I have not had any other Keyspan driver bug reports in a long time, so perhaps you have some flaky devices? sorry, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
