On Thu, Apr 19, 2012 at 12:22:11AM -0400, Hugo Villeneuve wrote: > On Tue, Apr 17, 2012 at 10:34:22AM +0200, Otto Moerbeek wrote: > > > > > > Some machines keep previous dmessages in mem. Scroll down to see the > > most recent dmesg, or check /var/run/dmesg.boot > > > > A cold boot wipes the dmesg buffer. > > > > -Otto > > Did something change in -current? > > /etc/rc just does "dmesg >/var/run/dmesg.boot". It will also have > the previous boot data on computer that don't reset memory. > > It annoyed me enough that I added this to rc.local on those computer:
I like having those old messages available. On junk that doesn't have serial ports it's the simplest way of getting to for example ddb output after a reboot. > ed -s /var/run/dmesg.boot <<EOF >/dev/null 2>&1 > ?^OpenBSD [0-9]? > 1,-d > wq > EOF -- Eivind