From: "Randy.Dunlap" <rddunlap@osdlab.org>
To: Jordan Breeding <ledzep37@home.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: Increasing dmesg buffer size?
Date: Mon, 01 Oct 2001 16:48:33 -0700 [thread overview]
Message-ID: <3BB900D1.5A5DB657@osdlab.org> (raw)
In-Reply-To: <3BB90039.E551000C@home.com>
Jordan Breeding wrote:
>
> What kernel parameter do I need to modify in the source to allow a
> larger dmesg buffer? I have a lot of boot messages and I currently
> loose about 10-20 lines immediately and they can not even be seen in
> /var/log/dmesg because that file gets dumped after those lines are
> already gone. Thanks to anyone who can help.
That would be a #define of LOG_BUF_LEN in linux/kernel/printk.c.
Be sure to keep it a power of 2.
There have been several patch files for this on the kernel
mailing list, but it's easy enough to DIY.
~Randy
next prev parent reply other threads:[~2001-10-01 23:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-01 23:46 Increasing dmesg buffer size? Jordan Breeding
2001-10-01 23:48 ` Randy.Dunlap [this message]
2001-10-01 23:50 ` Mike Fedyk
2001-10-01 23:55 ` James Simmons
2001-10-02 1:14 ` Tim Moore
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