From: Frank Sorenson <frank@tuxrocks.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Maarten Maathuis <madman2003@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: [realtime kernel 2.6.21-rt2 and up] Extremely slow bootup for x86_64
Date: Mon, 21 May 2007 00:00:40 -0500 [thread overview]
Message-ID: <46512778.2050205@tuxrocks.com> (raw)
In-Reply-To: <1179669982.21827.25.camel@chaos>
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Thomas Gleixner wrote:
> On Sun, 2007-05-20 at 14:25 +0200, Maarten Maathuis wrote:
>> When i try to boot a kernel higher than 2.6.21-rt1, it boots very
>> slowly. It takes minutes to even detect two cdrom players. I noticed
>> in the changelog:
>>
>> - x86/64 high-res timers and dynticks update (Thomas Gleixner)
>>
>> I included the .config from 2.6.21-rt1, which i ran make oldconfig on.
>>
>> I cannot provide any other information, since i estimate it will take
>> ages to bootup.
>
> Does the same problem show up with
>
> http://tglx.de/projects/hrtimers/2.6.22-rc2/linux-2.6.22-rc2-x86_64-highres-v1.patch
>
> tglx
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.
Frank
- --
Frank Sorenson - KD7TZK
Linux Systems Engineer, DSS Engineering, UBS AG
frank@tuxrocks.com
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next prev parent reply other threads:[~2007-05-21 5:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-20 12:25 [realtime kernel 2.6.21-rt2 and up] Extremely slow bootup for x86_64 Maarten Maathuis
2007-05-20 14:06 ` Thomas Gleixner
2007-05-21 5:00 ` Frank Sorenson [this message]
2007-05-21 5:26 ` Thomas Gleixner
2007-05-21 15:11 ` Frank Sorenson
2007-05-21 16:04 ` Thomas Gleixner
2007-05-23 5:41 ` Maarten Maathuis
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