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Re: Does grub2 log messages to a log file?

From: Felix Zielcke
Subject: Re: Does grub2 log messages to a log file?
Date: Thu, 10 Dec 2009 01:42:28 +0100

Am Mittwoch, den 09.12.2009, 16:37 -0800 schrieb Dr. Dov Bulka:
> There are "dprintf" statements in the code that look like they log
> messages somewhere. How can I retrieve those messages? Do they go to a
> file?

set debug=all or set debug=channel1,channel2 enables them.
channel is first argument to grub_dprintf call like disk or raid.

> On a related note, is there a way for another entity (say another
> Virtual Machine is ESX environment), to monitor the progress of the
> bootloader? (If Grub2 left log messages in a file on the boot
> partition, then outside entities could check on the progress.)
> Tia,
> Dov 

With a serial console that output there could be parsed.
I don't think there's a different way.
Felix Zielcke
Proud Debian Maintainer and GNU GRUB developer

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