Hello Nitin,

Since you are running Linux, do you see anything interesting in the output
of dmesg? You could filter for warnings and errors by running "dmesg -l
warn,err", but it might be better to provide the full log.

Recently, I have started experiencing a similar issue with a i7-3720QM and
T420. The CPU is being stuck at 1,2GHz, which seems to be the lowest CPU
frequency detected by the kernel. Sometimes I feel like I have to
disconnect some peripherals, e.g. external monitor connected through a DP,
in order to fix it.
Changing the CPU governor from powersave to performance and vice-versa
typically works, but not in that case. I believe that my issue could be
related to the 65W PSU I have been using and I might have to upgrade at
least to 90W PSU.

Alesandar

On Thu, Apr 23, 2020 at 7:43 PM <nitin.ramesh.si...@gmail.com> wrote:

> Hi Mariusz,
>
> I tried running the stress test to increase the load average, but still
> the frequency stays at 800Mhz.
>
> Thanks,
> Nitin.
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