Hi Wenda, pr_debug needs you to define the DEBUG macro to activate it. Check: http://stackoverflow.com/questions/28936199/pr-debug-not-giving-any-output and the kernel docs, https://www.kernel.org/doc/local/pr_debug.txt Joel On Mon, Oct 17, 2016 at 4:17 PM, Wenda Ni <wonda.ni@xxxxxxxxx> wrote: > Dear all, > > I am working on a kernel module that incorporate both pr_debug and > pr_warn. I would like to see pr_debug messages from dmesg. > > What I followed is to specify kernel parameter by saying "loglevel=7". > This can be seen confirmed from /proc/cmdline. But still, I donot get > pr_debug level messages either from dmesg or from /var/log/messages. I > also tried echo 7 > /proc/sys/kernel/printk. It does not return what I > expect, either. > > Let me know what I am missing. Thank you very much in advance. > > Cheers, > > Wenda Ni, Ph.D. > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
