linux-kernel - Re: Pausing kernel boot messages

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Date:	Thu, 30 Aug 2007 21:15:51 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Hans-Jürgen Koch <hjk@...utronix.de>
cc:	Andreas Schwab <schwab@...e.de>,
	Esteban Fernandez <estfern@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Pausing kernel boot messages


On Aug 27 2007 14:13, Hans-Jürgen Koch wrote:
>> >> How do you pause the kernel boot messages ?
>> >> 
>> >> ^S, Pause and Scroll lock do nothing and you can't Shift-Page-Up  after a
>> >> kernel panic.
>> >
>> > These are functions of a shell (like bash),
>> 
>> Definitely not.  The shell is not a console driver, it only uses it.
>
>Right, I wasn't precise. But it's still possible that you don't have your
>keyboard available during early parts of the boot process.

Yes, but a common error is "could not mount root", which is way after the
keyboard has been initialized. *In fact*, you can start initramfs, have your
PgUp/PgDown keys available, and when you exit out of initramfs without a valid
root filesystem, you lose the keys again.


	Jan
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