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Re: OT Kernel debug

Douglas A. Tutty wrote:
On Tue, May 26, 2009 at 12:01:25AM +0200, Leopold Palomo Avellaneda wrote:
A Dilluns 25 Maig 2009, Douglas A. Tutty va escriure:
On Mon, May 25, 2009 at 08:16:14PM +0200, Leopold Palomo Avellaneda wrote:
Here's my /boot/grub/menu.lst that shows how to set it up.  Grub will
start with something like "press a key to continue" so that it knows
whether you're at the serial console or the main (VGA) console, and
thend presents the usual menu.
Thanks a lot. Tomorrow I will find a serial cable .... I hope that the Poweredge server has serial console...

But, if you have serial console, do you have vga?

Sure, inittab still gives you a getty on the VGA.
Grub can only use _either_ the serial or the VGA.

The kernel will send messages to whatever console= commands you give it,
accepting input on the last console= given.  Thus, the serial-console
entry in menu.lst is console=tty console=ttyS1,38400n8.  You'll get
message on both.

Another option for you if you have either a serial or paralell printer
(I don't know if it works for USB printers) is to use lp0 as a console
parameter, before console=tty, so that input is still from the VGA, but
messages are printed out directly.



Solutions mentioned earlier are of course better , but I 've seen also photos of monitor screen (of course without flash :-)

Maciek Kaliszewski

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