no in my case /var/log/messages --- in ubuntu -- after reboot ---first line is restart -- seems it rewritten totally after reboot
dont know -- how to get state of kernel -- dmesg output -- /var/log/messages content just before reboot when kernel crashed ..... On 3/27/09, Sandeep K Sinha <[email protected]> wrote: > > Hi Nidhi, > > > On Fri, Mar 27, 2009 at 3:36 PM, nidhi mittal <[email protected]> > 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.” > -- Thanks & Regards Nidhi
