linux-kernel - Re: ACPI on Averatec 2370

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Date:	Thu, 2 Aug 2007 17:53:28 -0400 (EDT)
From:	Cal Peake <cp@...olutedigital.net>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	Chuck Ebbert <cebbert@...hat.com>,
	Gabriel C <nix.or.die@...glemail.com>,
	Frank Hale <frankhale@...il.com>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel ACPI Mailing List <linux-acpi@...r.kernel.org>,
	len.brown@...el.com, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: ACPI on Averatec 2370

On Thu, 2 Aug 2007, Linus Torvalds wrote:

> On Thu, 2 Aug 2007, Cal Peake wrote:
> > 
> > Figured I should have sent that right after I hit the send key...
> > 
> > processor	: 0
> > vendor_id	: AuthenticAMD
> > cpu family	: 15
> > model		: 72
> > model name	: AMD Turion(tm) 64 X2 Mobile Technology TL-52
> 
> Sadly, this doesn't show the "extended family" stuff from cpuid.
> 
> So it doesn't show any of the bits we actually care about. Sad.
> 
> That said, the "AMD Turion(tm) 64 X2 Mobile Technology TL-52" _should_ be 
> a REV-F CPU afaik, and it should have thus fallen through to the 
> "ENABLE_C1E_MASK" logic. Afaik that's broken.
> 
> Cal - can you
>  (a) test that forcing a "return 1" from that amd_apic_timer_broken() 
>      function fixes it for you.

ACK

>  (b) make that function print out the values it uses for debugging (ie the 
>      xtended family and model numbers, and the MSR_K8_ENABLE_C1E MSR 
>      values)?

eax & CPUID_XFAM == 0x00000000
eax & CPUID_XMOD == 0x00040000
MSR_K8_ENABLE_C1E lo == 0x04c14015
MSR_K8_ENABLE_C1E hi == 0x00000000
lo & ENABLE_C1E_MASK == 0
amd_apic_timer_broken: forcing return value of 1

-- 
Cal Peake

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