From: Philipp Ittershagen <lists@gate-nine.de>
To: Guillaume Dargaud <dargaud@lpsc.in2p3.fr>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: Early kernel debugging
Date: Sun, 27 Mar 2011 20:00:53 +0200 [thread overview]
Message-ID: <4D8F7B55.2050806@gate-nine.de> (raw)
In-Reply-To: <201103250950.20423.dargaud@lpsc.in2p3.fr>
On 03/25/2011 09:50 AM, Guillaume Dargaud wrote:
> Hello all,
> what can you do when the kernel you try to run stops before printing anything on the console ?
http://elinux.org/Kernel_Debugging_Tips#Debugging_early_boot_problems
Basically it means connecting a debugger to the running kernel (using
XMD, for example) and then reading the printk log buffer, which contains
the last lines printed.
Hope this helps!
Philipp
next prev parent reply other threads:[~2011-03-27 18:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-25 8:50 Early kernel debugging Guillaume Dargaud
2011-03-27 18:00 ` Philipp Ittershagen [this message]
2011-03-27 23:25 ` Benjamin Herrenschmidt
-- strict thread matches above, loose matches on Subject: below --
2009-04-02 20:05 early " Yigal Goldberger
2009-04-03 16:04 ` Tirumala Reddy Marri
2009-04-03 16:47 ` Feng Kan
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