Am Montag, 25. Juni 2012, 13:00:13 schrieb Michael Bramer: > Hello > (please send reply in CC) > > I have a problem, if my device send a tmc package with 52 (or 52+n*64) > Bytes. With the 12 bytes of the tmc header, the usb packages is 'full' > and the tmc drive reply with a ETIMEDOUT > > [8336519.353913] usbtmc 4-1:1.0: Unable to read data, error -110 > > on the command line: > > root@think:~# echo -ne "P1" > /dev/usbtmc0 ; cat < /dev/usbtmc0 > cat: -: Connection timed out > > With wireshark I can see the full usb packages with all it's data. > > (the usb packet size is 64 Bytes) > > If the device send data and the last usb package ist not full, all will > work without problems. > > Kernel: Linux version 2.6.32-5-amd64 > > Have you a fix or a idea? The host is waiting for a zero package. Whether it should do so is another question. Regards Oliver -- 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
