On Thu, Mar 9, 2017 at 4:34 PM, Miguel Robles <miguel.robles@xxxxxxxxxx> wrote: > Hello all, > > I am beginning with Linux Kernel development. So I am trying to make > the IIO tasks posted on kernelnewbies DOT org. > But I got stuck with this problem that I am describing you hereafter > hoping that someone could bring me any feedback. > > Many thanks, > Miguel ROBLES > > ---------- > DESCRIPTION > ----------- > > After loading the corresponding IIO modules and mountig the configfs filesystem > I can not create an instance device with mkdir using the command: > > $ sudo mkdir /config/iio/devices/dummy/my_dummy_device > Killed > > I get the "Killed" message and looking at my syslog file, I got the warning > "refcount_t: increment on 0; use-after-free" followed by an "Oops" message. > When trying to execute the command one more time, the execution never finishes. > > > ------ > CONTEXT > ------- > > - Tried on 2 linux kernel releases: > - kernel: 4.10 (commit: 4977ab6) > - Kernel: 4.11 (commit: ec3b93a) > > - Compiled with config file including the following options for IIO: > > # > # IIO dummy driver > # > CONFIG_IIO_DUMMY_EVGEN=m > CONFIG_IIO_SIMPLE_DUMMY=m > CONFIG_IIO_SIMPLE_DUMMY_EVENTS=y > CONFIG_IIO_SIMPLE_DUMMY_BUFFER=y > > CONFIG_IIO_CONFIGFS=m Do you also have CONFIG_IIO_SW_DEVICE right? Will try to have a look at this asap. thanks, Daniel. -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
