Date: Fri, 29 Aug 2003 11:41:11 -0700
From: "Randy.Dunlap" <rddunlap@osdl.org>
To: Nicolas.Mailhot@laPoste.net
Cc: linux-kernel@vger.kernel.org
Subject: Re: CONFIG_LOG_BUF_SHIFT hardwired in 2.6.0-test4-bk2 ?
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On Fri, 29 Aug 2003 11:36:34 -0700 "Randy.Dunlap" <rddunlap@osdl.org> wrote:

| On Fri, 29 Aug 2003 20:30:19 +0200 Nicolas Mailhot <Nicolas.Mailhot@laPoste.net> wrote:
| 
| | Hi,
| | 
| | 	I'm testing acpi changes and unfortunately all the debug messages
| | overflow the log buffer. So I decided to increase CONFIG_LOG_BUF_SHIFT 
| | in .config (there was a menu entry for this at some time in menuconfig
| | but I can't find it anymore).
| | 
| | 	Anyway no matter what I do the value seems to be reseted to 14 at build
| | time. Is there a way to cleanly change it without poking directly into
| | the kernel source code ?
| 
| You need to enable DEBUG_KERNEL (kernel debugging) to see it in the menu.
| 
| After you edit .config, run 'make oldconfig' and that should fix it.

More accurately, you cannot edit .config and make oldconfig on this
config option if DEBUG_KERNEL is not set.  It won't take effect.
It will be lost by make oldconfig, so enable DEBUG_KERNEL first.

--
~Randy
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