On Fri, Feb 08, 2013 at 08:10:31PM +0100, Alois Mahdal wrote: > Hello && GTOTD, > > I'm trying to make sense of some kernel driver code and I noticed some > `pr_warning()` calls. > > From kernel.h I know pr_warning is an `eprintf()` macro: > > #define pr_warning(fmt, ...) \ > eprintf(0, pr_fmt(fmt), ##__VA_ARGS__) > > while eprintf is defined in debug.c. > > > So.... Does this appear somewhere during normal (Debian Wheezy) > operation? Or is it purely a debugging thing and I would need a > specifically compiled kernel? > > Can I somehow make the driver print them for me without need to > recompile kernel?
Start looking here: root@tal:~# less /etc/sysctl.conf [...] # Uncomment the following to stop low-level messages on console #kernel.printk = 3 4 1 3 [...] Dang, if I can remember where the info is about the kernel "noise" levels. -- "If you're not careful, the newspapers will have you hating the people who are being oppressed, and loving the people who are doing the oppressing." --- Malcolm X -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20130209001931.GC29576@tal
