From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 13170] Macbook 5,2 only boots with acpi=off, or nosmp, or maxcpus=1
Date: Sat, 20 Aug 2011 12:30:04 GMT [thread overview]
Message-ID: <201108201230.p7KCU4bg027420@demeter2.kernel.org> (raw)
In-Reply-To: <bug-13170-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=13170
--- Comment #66 from dentament <l_done@tiscali.it> 2011-08-20 12:30:02 ---
I've found out the cpu frequency scaling bug I mentioned in my comment is not a
bug (well, not a linux bug): it's a macbook "hardware feature" (or flaw?: I
can't understand why it's set up this way) to lock the 2 cpu cores to minimum
speed (1.60ghz) if the battery is not present, as in my case (I removed it
since I mostly use the laptop as a desktop and wanted to preserve it).
With the battery mounted, the frequency scaling behaves normally.
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next prev parent reply other threads:[~2011-08-20 12:30 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-13170-2300@https.bugzilla.kernel.org/>
2010-04-26 15:25 ` [Bug 13170] Macbook 5,2 only boots with acpi=off, or nosmp, or maxcpus=1 bugzilla-daemon
2010-05-10 22:06 ` bugzilla-daemon
2010-05-10 22:16 ` bugzilla-daemon
2010-05-11 16:44 ` bugzilla-daemon
2010-05-17 15:19 ` bugzilla-daemon
2010-07-22 15:43 ` bugzilla-daemon
2010-10-02 20:28 ` bugzilla-daemon
2010-10-28 14:29 ` bugzilla-daemon
2010-12-17 18:03 ` bugzilla-daemon
2011-01-16 22:35 ` bugzilla-daemon
2011-02-19 15:58 ` bugzilla-daemon
2011-03-09 17:08 ` bugzilla-daemon
2011-04-06 12:55 ` bugzilla-daemon
2011-08-17 0:52 ` bugzilla-daemon
2011-08-19 11:08 ` bugzilla-daemon
2011-08-19 22:16 ` bugzilla-daemon
2011-08-20 12:30 ` bugzilla-daemon [this message]
2012-03-04 6:37 ` bugzilla-daemon
2012-03-05 6:07 ` bugzilla-daemon
2012-03-24 14:46 ` bugzilla-daemon
2012-05-30 16:27 ` bugzilla-daemon
2012-05-30 16:27 ` bugzilla-daemon
2013-04-09 6:24 ` bugzilla-daemon
2016-06-28 10:17 ` bugzilla-daemon
2016-06-28 10:24 ` bugzilla-daemon
2016-06-29 14:55 ` bugzilla-daemon
2021-04-16 16:48 ` bugzilla-daemon
2021-04-16 16:50 ` bugzilla-daemon
2021-04-16 16:52 ` bugzilla-daemon
2021-04-16 16:54 ` bugzilla-daemon
[not found] <bug-13170-2300@http.bugzilla.kernel.org/>
2010-02-23 7:34 ` bugzilla-daemon
2010-02-23 9:17 ` bugzilla-daemon
2010-02-23 11:18 ` bugzilla-daemon
2010-02-24 2:39 ` bugzilla-daemon
2010-02-24 8:01 ` bugzilla-daemon
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