From: Mikael Pettersson <mikpe@csd.uu.se>
To: thomas@langaas.org
Cc: ieure@qwest.net, linux-kernel@vger.kernel.org,
linux-laptops@vger.kernel.org
Subject: Re: inspiron 8100 freezing
Date: Thu, 14 Feb 2002 15:30:04 +0100 (MET) [thread overview]
Message-ID: <200202141430.PAA28313@harpo.it.uu.se> (raw)
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On Thu, 14 Feb 2002 11:48:56 +0100, Thomas Langås wrote:
>Mikael Pettersson:
>> I bet you have CONFIG_SMP or CONFIG_X86_UP_APIC enabled. In that
>> case the hangs on the Inspiron are expected: it's BIOS is buggy.
>
>Ok, what's wrong? Just telling them something is wrong with their BIOS
>doesn't do much good :)
The machine ships with a CPU containing a local APIC, but if
Linux enables it, the machine hangs when the BIOS is entered,
i.e. at power management events and entry to BIOS setup screens.
On other machines that don't hang, the BIOS either handles the
local APIC itself, or it invokes the kernel's APM callback which
disables the local APIC before e.g. doing a suspend.
/Mikael
next reply other threads:[~2002-02-14 14:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-14 14:30 Mikael Pettersson [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-02-14 10:21 Mikael Pettersson
2002-02-14 10:48 ` Thomas Langås
2002-02-14 14:16 ` Tom Sightler
2002-02-14 1:34 Ian Eure
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