From: Martin Knoblauch <knobi@knobisoft.de>
To: linux-kernel@vger.kernel.org
Cc: Len Brown <len.brown@intel.com>
Subject: Re: new laptop woes
Date: Thu, 13 May 2004 05:55:04 -0700 (PDT) [thread overview]
Message-ID: <20040513125504.24434.qmail@web13904.mail.yahoo.com> (raw)
>Linux enables the Local APIC even on uni-processors systems so that it
>can use the LOCal APIC timer. This policy causes a significant
>population of laptops to freeze when booted with ACPI enabled.
>Curiously, we've seen this failure go away on some laptops after a
BIOS
>upgrade -- so you shoul verify that you're running the latest BIOS for
>your system.
>
>Perhaps you could try the test patch here
>
>http://bugzilla.kernel.org/show_bug.cgi?id=2044
>
>and add a comment to the bug report on if it makes any difference or
not.
Len,
just to confirm that the mentioned patch fixes my boot hang (HP
Omnibook 6100, newest BIOS) with kernel-2.6.6. With acpi enabled it
needed "nolacpi" to come up. It would always just stop after the lines:
ACPI: Subsystem revision 20040326
ACPI: IRQ9 SCI: Edge set to Level Trigger.
ACPI-0179: *** Warning: The ACPI AML in your computer contains
errors, please nag the manufacturer to correct it.
ACPI-0182: *** Warning: Allowing relaxed access to fields; turn on
CONFIG_ACPI_DEBUG for details.
Apparently the SuSE supplied 2.6.4-54.3 has that (or a similar) fix in
it, as the notebook boots fine with that.
Only remaining problem now is that I have the "gut feeling" that I am
missing some mouse events with acpi enabled. That maybe XFree related.
Cheers
Martin
=====
------------------------------------------------------
Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www: http://www.knobisoft.de
next reply other threads:[~2004-05-13 12:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-13 12:55 Martin Knoblauch [this message]
[not found] <A6974D8E5F98D511BB910002A50A6647615FB0B1@hdsmsx403.hd.intel.com>
2004-05-11 17:09 ` Len Brown
2004-05-12 1:37 ` jnf
2004-05-12 3:20 ` Len Brown
-- strict thread matches above, loose matches on Subject: below --
2004-05-11 16:24 jnf
2004-05-12 7:14 ` Helge Hafting
2004-05-12 15:19 ` jnf
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