On Tue, Jul 28, 2009 at 4:24 PM, krushnaal pai<krisonearth@xxxxxxxxx> wrote: > i tried to implement an upcall in linux 2.6.28 using the codes given in > "http://people.ee.ethz.ch/~arkeller/linux/kernel_user_space_howto.html#ss7.1"; > ( i have attached them) > but it just doesnt work.... > > it does printk the very first msg but at the call instruction it gives an > error > > also plz help me know about the environment variables Could you please post error codes and also check if path to callee executable is correct on your machine? You need to compile first callee.c (with gcc callee.c -o callee) then change path to callee executable in usermodehelper.c and finally compile module usermodehelper.c. Then insert module with insmod and it should work. > good luck, Marek -- as simple as primitive as possible ------------------------------------------------- Marek Belisko - OPEN-NANDRA Ruska Nova Ves 219 | Presov, 08005 Slovak Republic Tel: +421 915 052 184 skype: marekwhite icq: 290551086 web: http://open-nandra.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
