Hi chiachen, I use mknod in the .sh file I use to load the module. The device appears on the list under /dev however all operations to write to it fail.
Thanks, Sam 2010/1/8 chiachen <[email protected]> > Dear Sam Carter, > > Maybe you have not "mknod" , so the /dev/myDevice could not be found. > > > Sincerely yours, > chiachen > [email protected] > 2010-01-08 > > ======= 2010-01-07 09:31, your message: 'No such device or address' when > writing to device driver======= > > Hi all, > > I'm trying to write a simple char driver following the 'Linux Device > Drivers' book from O' Reilly. My driver appears in /proc/devices and under > lsmod. I've been trying to register the device fops table so I can > read/write to it, however when I try to cat some data to it in /dev/myDevice > I get the error 'No such device or address'.. The device does appear on the > list with ls /dev/. > > Can anyone help me find the source of this problem? Thanks in advance. > > Sam > > > = = = = = = = = = = = = = = = = = = = = >
