[Voyage-linux] Error connecting multiple PL2303 Serial Converter

Pippo Pippo 77 (spam-protected)
Wed Jan 18 07:04:59 HKT 2012


Hi,
i need to connet 2 PL2303 serial converter in order to get 2 serial port.
I tried this with voyage 0.8 and voyage 0.5, and behaviour is the same.

When I connect the converters, i got some message in dmesg log, that told
me that converters is attached to /dev/ttyUSB0 and /dev/ttyUSB1.

If i use this converter one by one, it work without problem, but i need to
use it together with 2 modem at same time.
In this case, the second device I try to open with minicom, it would not
connect and i got this message into dmesg log:

*pl2303_open - failed submitting interrupt urb, error -28*

I tried with Voyage 0.8 with new kernel but problem persist. Useing device
one a time, works perfectly, but together not, the second i try to use i
got this interrupt urb error.
What can cause this? What can i try?

Any help would be appreciated. Many Thanks in Advance.

Marco
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