Messages in this thread |  | | | From | René Rebe <> | | Subject | Re: [discuss] Re: [PATCH] x86_64: Test patch for ATI/Nvidia timer problems | | Date | Sun, 27 Nov 2005 15:02:13 +0100 |
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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[unhandled content-type:application/pgp-signature] |  |