Question
I got a single message about the "tsc" clocksource:
Jul 7 08:01:44 secMD5 kernel: Clocksource tsc unstable (delta = 100270236 ns)
Jul 7 08:01:44 server kernel: Time: acpi_pm clocksource has been installed

Will it be a problem of my Supermicro 6016T-6RFT+ server?
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Answer
The TSC is the time stamp counter. The server's processors dynamically changes the clock speed to save the power. The TSC is supposed to tick at the CPU rate. So on CPU frequency change, this ought to happen. The warning is normal. The kernel will switch to something else like acpi_pm, HPET, IIRC or pit, automatically.
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F Q 4 8
FAQ ID:
12308
Related Category / Keyword:
Operating Systems:
Linux OS
Peripherals:
CPU
Date Posted:
07/11/11
Code:
JC
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