Yes, it is because you have no serial port. In this case LDT emulates loopback. On Wed, Sep 26, 2012 at 4:48 PM, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote: > On Wed, Sep 26, 2012 at 6:03 PM, Constantine Shulyupin > <const@xxxxxxxxxxxxx> wrote: >> Readme and sources: https://github.com/makelinux/ldt/blob/master/README.md >> >> To run driver with test script just run: >> git clone git://github.com/makelinux/ldt.git && cd ldt && ./ldt-test >> >> You feedback, suggestions, discussions, recommendations patched will >> be greatly appreciated! >> > > Hi, > > I am the same person you probably see in LinkedIn :) > > Anyway, I use kernel 3.2.0-31-generic (Linux Mint 13) and when I run > 'sudo ldt-test', I got: > stty: /dev/ttyS0: Input/output error > dio.c:138 io_start FAIL errno = 5 "Input/output error" -1 = ret = > output(dev, inbuf, data_in_len) > No loopback on /dev/ttyS0 detected, running ldt driver with UART in > loopback mode > dio.c:138 io_start FAIL errno = 5 "Input/output error" -1 = ret = > output(dev, inbuf, data_in_len) > > is it due to I have no serial port? > > -- > regards, > > Mulyadi Santosa > Freelance Linux trainer and consultant > > blog: the-hydra.blogspot.com > training: mulyaditraining.blogspot.com -- Constantine Shulyupin http://www.MakeLinux.com/ Embedded Linux Systems, Device Drivers, TI DaVinci _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
