linux-kernel - Re: [realtime kernel 2.6.21-rt2 and up] Extremely slow bootup for x86

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Date:	Mon, 21 May 2007 07:26:56 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Frank Sorenson <frank@...rocks.com>
Cc:	Maarten Maathuis <madman2003@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [realtime kernel 2.6.21-rt2 and up] Extremely slow bootup for
	x86_64

On Mon, 2007-05-21 at 00:00 -0500, Frank Sorenson wrote:

> I see the slow bootup as well, even with 2.6.22-rc2-hrt1.  It takes at
> least 5 times as long to boot, for X to start, to login, etc.

Can you provide me your .config and a boot log (please enable
CONFIG_PRINTK_TIME and add "apic=verbose" to the kernel command line).

Can you also try with "hpet=disable" ?

	tglx


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