how to avoid CPU watchdog error during debug

[jim.cromie at gmail.com]

On Sun, Aug 29, 2021 at 7:46 PM <ckim at etri.re.kr> wrote:
>
>
> >
> > since many things are time depending in the kernel it is difficult to stop
> > parts of the kernel. The question is if it is really absolutely necessary
> > to do this? Why you can not do it by logging with printk?
> >
> > Debugging is described in:
> > https://www.doc-developpement-durable.org/file/Projets-
> > informatiques/cours-&-manuels-
> > informatiques/Linux/Linux%20Kernel%20Development,%203rd%20Edition.pdf
> >
> > See Chapter 18 Debugging
> >
> > Thanks! Bye Philipp
> >
> Hi, Philipp,
> I've found your answer too late. Thanks for the info(I learned something
> about the early_prink from the book).
> Actually, shortly after I sent my question, I learned how to make printk
> appear in the console (not in the dmesg buffer) and was using it.
> (I added the line "kernel.prink = 5 4 1 7" in the /etc/sysctl.conf file.
> So I've set the default console log level to 5 making default printk appear
> in the console.)
> Thanks!
>
> Chan


thanks for the followup