Messages in this thread | | | From | "Roger Heflin" <> | Subject | RE: Dual core Athlons and unsynced TSCs | Date | Fri, 13 Jan 2006 09:10:36 -0600 |
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> -----Original Message----- > From: linux-kernel-owner@vger.kernel.org > [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Lee Revell > Sent: Thursday, January 12, 2006 4:18 PM > To: linux-kernel > Subject: Dual core Athlons and unsynced TSCs > > It's been known for quite some time that the TSCs are not > synced between cores on Athlon X2 machines and this screws up > the kernel's timekeeping, as it still uses the TSC as the > default time source on these machines. > > This problem still seems to be present in the latest kernels. > What is the plan to fix it? Is the fix simply to make the > kernel use the ACPI PM timer by default on Athlon X2?
Do we know if this also affects dual-core opterons?
The symptoms are that the clocks run at 2x the speed, correct?
Roger
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