Re: [discuss] Re: [PATCH] x86_64: Test patch for ATI/Nvidia timer problems

[René Rebe]

Hi,

On Sunday 27 November 2005 14:53, Andi Kleen wrote:
> On Sun, Nov 27, 2005 at 10:14:53AM +0100, Ren? Rebe wrote:
> > Hi,
> > 
> > On Saturday 26 November 2005 15:20, Andi Kleen wrote:
> > > Everybody who saw timing problems with ATI IXP based boards with x86-64
> > > or some Nvidia NForce4 boards please test this patch. Please send
> > > success/failure to me.
> > 
> > I try to give your patch a try on the ATI based MSI Megabook S270, today - 
> > however even with the workaround of "noapic" I had timer drift on resuem from 
> > ram if the cpu was scaled to a lower frequency when it was suspended.
> 
> But it worked properly before suspend/resume without noapic? 

Without noapic the timer has about the 2x speed compared to real-time. I
only used the machien with noapic since otherwise it is barely useful.

Did you want to know if suspend/resume does behave differently without noapic?

Yours,

-- 
René Rebe - Rubensstr. 64 - 12157 Berlin (Europe / Germany)
            http://www.exactcode.de | http://www.t2-project.org
            +49 (0)30  255 897 45

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