From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastien.Hinderer@ens-lyon.org (=?utf-8?Q?S=C3=A9bastien?= Hinderer) Date: Tue, 7 Jul 2015 17:11:36 +0200 Subject: Message not appearing in mesg In-Reply-To: References: <20150707145310.GA9480@pema> Message-ID: <20150707151136.GA9917@pema> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org Hi Luis, Many thanks for your prompt and helpfulresponse! > Do you have the relevant DEBUG macros activated in your kernel's > configuration? Perhaps not... > https://www.kernel.org/doc/local/pr_debug.txt Read this, thanks. But that has nothing to do with KConfigmacros, has it? > http://elinux.org/Debugging_by_printing > > If not, activate them. Or if in a pinch, switch to using pr_alert() for > development. What surprises me is that I made sue the message appears inthe .ko file and it was there,whereas it seems pr_debug discards its argument at compile time. Or is it at execution time? Thanks! S?bastien.