linux-kernel - Re: [PATCH 06/13] scripts/gdb: Add lx-dmesg command

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Message-ID: <m2iparwy2g.fsf@firstfloor.org>
Date:	Wed, 03 Oct 2012 05:16:07 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Jan Kiszka <jan.kiszka@....de>
Cc:	linux-kernel@...r.kernel.org,
	Jason Wessel <jason.wessel@...driver.com>,
	kgdb-bugreport@...ts.sourceforge.net, Kay Sievers <kay@...y.org>
Subject: Re: [PATCH 06/13] scripts/gdb: Add lx-dmesg command

Jan Kiszka <jan.kiszka@....de> writes:

> From: Jan Kiszka <jan.kiszka@...mens.com>
>
> This pokes into the log buffer of the debugged kernel, dumping it to the
> gdb console. Helping in case the target should or can no longer execute
> dmesg itself.

Thanks. That's very useful. I recently ran into this problem that
the new log buffer is a pain to dump from qemu gdb.

fwiw there's already some kdump macros in Documentation/kdump 
Since you obsoleted them you could remove those (and for log buffer
they do not work anymore)

I don't like the lx-* prefixes.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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