[CentOS] Strange messages after installing Quad-core processor

Toby Bluhm wrote:
> On 6/7/2013 8:10 AM, Robert Heller wrote:
>> After installing a Phenom II X4 processor (replacing a single core
>> Semperon) I
>> am getting these messages on the console and in dmesg:
>>
>> Warning Timer ISR/2: Time went backwards: delta=-250135996
>> delta_cpu=13864004 shadow=1355887856733 off=870052783
>> processed=1357008044419 cpu_processed=1356744044419
>>   0: 1357004044419
>>   1: 1356696044419
>>   2: 1356744044419
>>   3: 1356696044419
>> printk: 41 messages suppressed.
>
> I had an AMD box that started reporting time going backwards. Turned out
> the heatsink was loose because the retainer tab cracked off - cpu
> continuously cycled thru overheat, throttle down, overheat, throttle
> down, etc.

Following up Robert, I trust the new CPU came with its own heat sink and
fan, and you used the thermal grease? Also, is the cooling and power in
the case adequate?

      mark