On Tue, Jun 08, 2004 at 11:03:52AM +0300, Jaakko Niemi wrote:
> Another, smaller problem manifests with newer Edgeport/4 using
> io_ti driver. The whole thing seems to work just fine, but if
> I warm reboot the machine, any access to /dev/ttyUSBx seems to
> hang in write().
This may be completely unrelated, but here's a quick data point: Back
in September, kernel 2.4.22, I was having problems with an Edgeport/4
I don't recall the driver, but it was whatever was "standard" in that
kernel for the Edgeport. According to my notes, the RS-232 device I
was communicating with was sending back 256 bytes, but I was only able
to read the first 134 of them. If I hooked the same device up to a
serial port on the back of the same machine (rather than using the
EdgePort), all 256 bytes arrived. I think this was consistently
happening. I never got around to debugging it further, though.
-Dave Dodge
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