Hi Nidhi, On Fri, Mar 27, 2009 at 3:36 PM, nidhi mittal <nidhimittal19@xxxxxxxxx> wrote: > > hi all > normally when i inmod my module -- if some error is there it appears on > console and i guess the source of error. > > but this time what i have found is ..all error messages -- just scroll up > and what i see is last screen > from which i am unable to make any guess where i am making mistake... > > and i had to reboot and after that there is nothing left of that error in > dmesg > > Is there any way i can store these messages ---o/p of dmesg -- just after > insmod in some file -- > i tried that too by simple dmesg > tt #dmesg -c #insmod <module> #dmesg Also, in your module code if you are suspecting some issues, try using printk with _FILE_,_LINE_,_func_ macros... This will be helpful. well, whatever you see in dmesg can be seen at /var/log/messages. So, refer that file, even after a reboot, it will have the logs. > but nothing works > pl tell me what to do > -- > Thanks & Regards > Nidhi -- Regards, Sandeep. “To learn is to change. Education is a process that changes the learner.” -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
