From: Andi Kleen <ak@muc.de>
To: Christopher Allen Wing <wingc@engin.umich.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: clock runs at double speed on x86_64 system w/ATI RS200 chipset
Date: Tue, 05 Apr 2005 19:18:56 +0200 [thread overview]
Message-ID: <m18y3x16rj.fsf@muc.de> (raw)
In-Reply-To: <Pine.LNX.4.58.0504041050250.32159@hammer.engin.umich.edu> (Christopher Allen Wing's message of "Mon, 4 Apr 2005 10:53:39 -0400 (EDT)")
Christopher Allen Wing <wingc@engin.umich.edu> writes:
> On Sun, 3 Apr 2005, Mikael Pettersson wrote:
>
>> Well, first step is to try w/o ACPI. ACPI is inherently fragile
>> and bugs there can easily explain your timer problems. Either
>> recompile with CONFIG_ACPI=n, or boot with "acpi=off pci=noacpi".
>
>
> When I boot without ACPI (I used 'acpi=off pci=noacpi') the system fails
> to come up all the way; it hangs after loading the SATA driver. (but
> before the SATA driver finishes probing the disks)
>
> I'm guessing that the interrupt from the SATA controller is not getting
> through? Anyway, I assumed that ACPI was basically required for x86_64
> systems to work, is this not really the case?
Alternatively you can try to boot with noapic. Does that help?
-Andi
next prev parent reply other threads:[~2005-04-05 17:45 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-03 12:31 clock runs at double speed on x86_64 system w/ATI RS200 chipset Mikael Pettersson
2005-04-04 14:53 ` Christopher Allen Wing
2005-04-04 15:32 ` Mikael Pettersson
2005-04-04 21:42 ` Christopher Allen Wing
2005-04-05 17:18 ` Andi Kleen [this message]
2005-04-05 18:02 ` Christopher Allen Wing
2005-04-05 18:31 ` Andi Kleen
2005-04-05 18:49 ` Christopher Allen Wing
2005-04-05 19:10 ` Christopher Allen Wing
2005-04-05 19:46 ` Christopher Allen Wing
2005-04-06 20:36 ` Christopher Allen Wing
2005-04-06 22:13 ` [PATCH] Re: clock runs at double speed on x86_64 system w/ATI RS200 chipset (workaround for APIC mode?) Christopher Allen Wing
2005-04-07 7:37 ` Andi Kleen
2005-04-07 17:23 ` Christopher Allen Wing
2005-04-05 18:17 ` clock runs at double speed on x86_64 system w/ATI RS200 chipset (with APIC enabled) Christopher Allen Wing
-- strict thread matches above, loose matches on Subject: below --
2005-04-02 11:05 clock runs at double speed on x86_64 system w/ATI RS200 chipset Mikael Pettersson
2005-04-02 18:19 ` Christopher Allen Wing
2005-04-01 23:24 Christopher Allen Wing
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