How to submit for eudyptula-challenge

Pranay Srivastava pranjas at gmail.com
Tue Mar 25 01:29:59 EDT 2014


Hi

Set your log level to 8 so you can see your messages. The pr_ *ones
Should be good.

Also check how to enable that macro for specific or all files of your
module.

On Mar 25, 2014 10:18 AM, "wangyubin" <harry198344 at gmail.com> wrote:
>
> 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 at gmail.com>
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 at gmail.com>
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 at gmail.com>
> >>>>> 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 at kernelnewbies.org
> >>>>>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> >>>>
> >>>> _______________________________________________
> >>>> Kernelnewbies mailing list
> >>>> Kernelnewbies at kernelnewbies.org
> >>>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> >>
>
>
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