On Sat, May 26, 2007 at 01:26:31PM +0200, Ralf Hildebrandt wrote:
> > Yes, shit happens. I was not able to scroll to the top of the screen :(
> > That sort-of sucks.
>
> How can I (for the future) circumvent this "I cannot scroll back" thing?
With a bad enough crash, you really the system is going to not be able
to scroll back. Some ways of dealing with this are:
#1. Use a serial console, and connect it to a logging server. This
is probably the best solution, and has a number of benefits. It
can be somewhat costly, however.
#2. If you are using a VGA console, put something like "vga=791" in
the in your boot options to change the resolution of your
video console so that more lines are displayed. At the risk
of causing screen burn-in, you may want to consider putting in
the command "setterm -blank 0 < /dev/tty1 > /dev/tty1" in your
rc.local. This avoids a problem where a server which doesn't
produce any console activity may cause the screen to blank,
and then when you get a nasty crash in an interrupt handler,
the console never has a chance to unblank. If you are using a
CRT screen, though, you have to trade off the benefits with
the costs of potential screen burn-in, if you forget to turn
off the screen when you're not using it.
Good luck!
- Ted
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