Try 'sysctl kernel.printk=7' where 7 is one of the levels defined in "include/linux/kern_levels.h". On Sat, Jun 28, 2014 at 7:33 PM, Arun Kumar <arunkr.linux@xxxxxxxxx> wrote: > I am able to read my printk messages in the kernel buffer only after > unloading the module.. > Is there some reason or configuration behind this. > > I used a simple kernel module with only init and exit functions, and > after loading the module i cannot see the message printed by the > "module_init" function in the output given by "dmesg -c" I can see them > only after i unload the module. > > i wait for around 15-20 seconds for the init message but it only shows > up on removing the module. > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies