OK, I will try to use that. :-) Best Regards! wangyubin On 03/25/2014 11:28 AM, Aruna Hewapathirane wrote: > Hi Wangyubin, > > You may want to drop by the IRC channel : http://kernelnewbies.org/IRC > has lots of friendly and vastly more experienced folks. > > :) > > On Mon, Mar 24, 2014 at 11:08 PM, wangyubin <harry198344@xxxxxxxxx> wrote: >> Hi, Aruna >> >> I will use Checkpatch.pl to check my source file by your advice! >> thanks again! >> >> Best Regards! >> wangyubin >> >> >> On 03/25/2014 10:48 AM, Aruna Hewapathirane wrote: >>> Hi Wangyubin, >>> >>> There is a *reason* why I decided to give you a helping hand my dear, >>> >>> "I" had a very hard time with that task-01 but it did help me >>> immensely to begin to understand how things work and are done in the >>> kernel. I do not want anyone else to waste time if we can get >>> newcomers up to a certain level of competency where they can >>> contribute to the kernel this world will be a much better place. >>> >>> Run checkpatch.pl and try to resolve all errors and warnings before >>> you sumbit as else little penguin will say uh-uh sorry try again ! >>> >>> Checkpatch is your friend and so is Google so use them :) >>> >>> >>> >>> On Mon, Mar 24, 2014 at 10:42 PM, wangyubin <harry198344@xxxxxxxxx> wrote: >>>> Hi, Aruna >>>> >>>> Thanks for your answer! >>>> >>>> I used printk like this in the previous submit. >>>> printk(KERN_ALERT "Hello World !"); >>>> >>>> I will change "KERN_ALERT" to "KERN_DEBUG" and try to submit again! >>>> >>>> also thanks for Masood Mehmood and Parinay Kondekar's help! >>>> >>>> Best Regards! >>>> wangyubin >>>> >>>> On 03/25/2014 10:16 AM, Aruna Hewapathirane wrote: >>>>> Hi Wangyubin, >>>>> >>>>> The log level you require is KERN_DEBUG ... >>>>> >>>>> But when you run checkpatch.pl on your *.c file it will say: >>>>> >>>>> WARNING: Prefer netdev_dbg(netdev, ... then dev_dbg(dev, ... then >>>>> pr_debug(... to printk(KERN_DEBUG ... >>>>> >>>>> So replacing printk(KERN_DEBUG ... with pr_debug will resolve this. >>>>> >>>>> You can find the log files in /var/log and you can list them with ls >>>>> /var/log. >>>>> >>>>> The latest kernel I found has the debug and messages logs disabled by >>>>> default. You can easily rectify this by editing >>>>> /etc/rsyslog.d/50-default.conf. And un-commenting the section : >>>>> >>>>> #*.=debug;\ >>>>> # auth,authpriv.none;\ >>>>> # news.none;mail.none -/var/log/debug >>>>> #*.=info;*.=notice;*.=warn;\ >>>>> # auth,authpriv.none;\ >>>>> # cron,daemon.none;\ >>>>> # mail,news.none -/var/log/messages >>>>> >>>>> This will give you back the debug and message logs. >>>>> >>>>> Good luck ! >>>>> >>>>> Aruna >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> On Mon, Mar 24, 2014 at 9:28 PM, wangyubin <harry198344@xxxxxxxxx> >>>>> wrote: >>>>>> Hello, >>>>>> I have dive into the eudyptula-challenge, but when I submit my result >>>>>> for task 01. >>>>>> I received a reply below: >>>>>>> Please print to the kernel debug log level. >>>>>> I have sended module(c file), Makefile, and dmesg output for >>>>>> load/unload the module. >>>>>> Could anyone to tell me what does this message mean? >>>>>> Thanks a lot! >>>>>> >>>>>> -- >>>>>> Best Regards! >>>>>> wangyubin >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Kernelnewbies mailing list >>>>>> Kernelnewbies@xxxxxxxxxxxxxxxxx >>>>>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >>>> >>>> _______________________________________________ >>>> Kernelnewbies mailing list >>>> Kernelnewbies@xxxxxxxxxxxxxxxxx >>>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >> _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
