From: Pavel Machek <pavel@suse.cz>
To: "Woller, Thomas" <twoller@crystal.cirrus.com>,
"'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
Subject: Re: Incorrect mdelay() results on Power Managed Machines x86
Date: Fri, 23 Mar 2001 00:29:27 +0100 [thread overview]
Message-ID: <20010323002927.C126@bug.ucw.cz> (raw)
In-Reply-To: <973C11FE0E3ED41183B200508BC7774C0124F06D@csexchange.crystal.cirrus.com>
In-Reply-To: <973C11FE0E3ED41183B200508BC7774C0124F06D@csexchange.crystal.cirrus.com>; from Woller, Thomas on Thu, Mar 22, 2001 at 02:29:48PM -0600
Hi!
> Problem: Certain Laptops (IBM Thinkpads is where i see the issue) reduce the
> CPU frequency based upon whether the unit is on battery power or direct
> power. When the Linux kernel boots up, then the cpu_khz (time.c)
This is issue with my toshiba sattelite, too. I even had a patch to
detect that speed changed and recalibrate (see archives), but
recalibrate may come too late.
Pavel
--
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
next prev parent reply other threads:[~2001-03-23 11:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-22 20:29 Incorrect mdelay() results on Power Managed Machines x86 Woller, Thomas
2001-03-22 21:26 ` Alan Cox
2001-03-23 6:43 ` Dave Zarzycki
2001-03-22 23:29 ` Pavel Machek [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-03-22 22:53 Grover, Andrew
2001-03-22 23:07 ` Alan Cox
2001-03-26 0:00 ` Pavel Machek
2001-03-22 23:26 Woller, Thomas
2001-03-22 23:37 ` Alan Cox
2001-03-23 1:42 ` Tim Wright
2001-03-23 9:45 ` Alan Cox
2001-03-23 4:00 sfr
2001-03-23 9:54 ` Alan Cox
2001-03-26 0:06 ` Pavel Machek
2001-03-23 16:43 Woller, Thomas
2001-03-24 3:55 sfr
2001-03-28 23:12 Grover, Andrew
2001-03-29 4:10 ` Alan Cox
2001-03-29 18:30 Woller, Thomas
2001-03-30 17:17 Grover, Andrew
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