On Thu, Dec 9, 2010 at 11:30 PM, Matthew Dharm
<mdharm-usb@xxxxxxxxxxxxxxxxxx> wrote:
> On Thu, Dec 09, 2010 at 10:45:13PM +0100, ENRIQUE ARIZON BENITO wrote:
>> A simple script like:
>>
>> echo "1" > /dev/ttyUSB0
>>
>> stopped to work after upgrading my system to a custom compiled version
>> of kernel 2.6.35.
>>
>> There are no errors in syslog or dmesg and the pl2303 loads without
>> complains, but strace shows that
>> open("/dev/ttyUSB0",...) blocks forever.
>>
>> I guess it must be some wrong parameter in the compilation, but I'm
>> blind trying to find the solution.
>
> Have you used stty to check the port mode settings? ÂIt may be blocking for
> carrier detect....
>
> Matt
>
Yes, I did. In fact the setting as displayed from the output command
"stty -a -F /dev/ttyUSB0" are equals both for the working kernel and
the new (non working) one.
Enrique
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