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From: "f.cecco77@tiscali.it" <f.cecco77@tiscali.it>
To: linux-kernel@vger.kernel.org
Subject: hpet on nforce4/MCP51 in asus a6t
Date: Sun, 3 Feb 2008 19:33:57 +0100 (CET)	[thread overview]
Message-ID: <19861822.1202063637753.JavaMail.root@ps23> (raw)

Hello,
I have  a asus a6t with nforce4/MCP51 chipset. I pass to kernel 2.6.24 
32 bit the options acpi_use_timer_override and hpet=force, in this way 
and the timer IRQ ends up routed as  IO-APIC-edge instead of XT-PIC. 
With acpi_use_timer_override I just get:

TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1

and it works through the IO-APIC. 

Instead the hpet is disabled and I  just get :

Time: acpi_pm clocksource has been installed.
Clocksource tsc unstable (delta = -85010975 ns)

Is possible to have hpet working also with if the BIOS doesn't support 
it ?

I wish to be personally CC'ed the answers/comments posted to the list 
in response to my posting.

Cecco






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             reply	other threads:[~2008-02-03 19:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-03 18:33 f.cecco77 [this message]
2008-02-04 12:20 ` hpet on nforce4/MCP51 in asus a6t Carlos Corbacho
2008-02-04 18:10   ` cecco

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