On Thu, 2006-07-13 at 04:35 -0400, alfred hitch wrote: > Hi, > > I am trying to call udelay from my kernel module. > And I am getting this undefined symbol error. Hi, you are probably doing a too large udelay() value... (there is a limit to the maxium value you can pass before math overflow can happen in the udelay calculations) however... that's just a guess since you forgot to post a URL to your code ;) Greetings, Arjan van de Ven -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/