Re: T7200 CPU not detected by est
Jeremy Chadwick <[email protected]>
| Newsgroups | gmane.os.freebsd.stable,gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Jan 21, 2008 at 05:16:06PM +0100, Gerrit Kühn wrote: > I have several systems using T7200 mobile CPUs running under 7-stable. > However, EST does not recognize the cpus. When loading cpufreq I get: > > --- > Jan 18 23:18:14 comet kernel: est1: <Enhanced SpeedStep Frequency Control> on cpu1 > Jan 18 23:18:14 comet kernel: est: CPU supports Enhanced Speedstep, but is not recognized. > Jan 18 23:18:14 comet kernel: est: cpu_vendor GenuineIntel, msr 6130c2906000c29 > Jan 18 23:18:14 comet kernel: device_attach: est1 attach returned 6 > --- I see identical behaviour on our Supermicro PDSMI+ systems, using E6420 CPUs, so I don't believe the problem is specific to your motherboard or certain Intel CPU models: CPU: Intel(R) Core(TM)2 CPU 6420 @ 2.13GHz (2128.01-MHz 686-class CPU) acpi0: <PTLTD RSDT> on motherboard acpi0: [ITHREAD] acpi0: Power Button (fixed) cpu0: <ACPI CPU> on acpi0 est0: <Enhanced SpeedStep Frequency Control> on cpu0 est: CPU supports Enhanced Speedstep, but is not recognized. est: cpu_vendor GenuineIntel, msr 82a082a0600082a device_attach: est0 attach returned 6 cpu1: <ACPI CPU> on acpi0 est1: <Enhanced SpeedStep Frequency Control> on cpu1 est: CPU supports Enhanced Speedstep, but is not recognized. est: cpu_vendor GenuineIntel, msr 82a082a0600082a device_attach: est1 attach returned 6 In the case of our servers, we usually turn EIST off (this one particular box has it enabled) because of the above problem -- but I'd much rather have it turned on to help save power. For a laptop or workstation, however, I can see this being an incredibly important feature. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB | _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"