Hello,
I have couple different problems with two different Edgeport boxes,
which are hooked into a Dell PowerEdge 1750 with ServerWorks OSB4/CSB5
ohci usb controller, running 2.4.26 without any patches.
First, with older Edgeport/8, if I try to access any of /dev/ttyUSBx
devices, the machine hangs hard. Not even a blip on serial console,
nor to normal console, even with debug=1 option given to the
io_edgeport driver. Now, how does one debug hangs like this?
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(). If I unplug the cable and replug it, and
run setserial again, things start working again.
I can make logs available if needed. Any help appreciated.
--j
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