8-STABLE: support for this SMB controller?

Ivan Voras ivoras at freebsd.org
Mon Dec 28 02:30:06 UTC 2009


Jeremy Chadwick wrote:
> On Tue, Dec 22, 2009 at 07:19:24AM +0100, Oliver Lehmann wrote:
>> Jeremy Chadwick wrote:
>>
>>> If all you're looking for is CPU temperature, try looking at ACPI
>>> thermal zones.  Some BIOSes/mainboard manufacturers implement this on
>>> workstations.  Otherwise, if you have a Intel Core, C2D, or C2Q CPU,
>>> load the coretemp(4) driver.
>> i7-920 in my case... and seems to work ;)
>>
>> olivleh1 at kartoffel olivleh1> sysctl dev.cpu | grep temp
>> dev.cpu.0.temperature: 52.0C
>> dev.cpu.1.temperature: 53.0C
>> dev.cpu.2.temperature: 48.0C
>> dev.cpu.3.temperature: 48.0C
>> dev.cpu.4.temperature: 53.0C
>> dev.cpu.5.temperature: 53.0C
>> dev.cpu.6.temperature: 49.0C
>> dev.cpu.7.temperature: 49.0C
>>
>> I should probably disable HyperThreading...
> 
> I thought HyperThreading defaulted to being disabled in FreeBSD as a
> result of security concerns?  Hmm...

I think this was only for the P4 implementation of HTT and only on 6.x 
until openssl/openssh were changed not to be sensitive to that 
particular "attack" (which is one of the more theoretical ones anyway 
even compared to most of the rest).



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