> On Thu, 18 Mar 2021 at 12:44, Mark Woolfson <mrw@xxxxxxxxxxxx> wrote:
>
>> Hello,
>>
>>
>>
>> I wonder if you could help.
>>
>>
>>
>> I have a requirement to load CentOS 7.3 on to a server. I have the
>> distribution on a bootable USB key.
>>
>>
>>
> What kind of server? This is a hardware issue and is going to need to know
> what kind of CPU and what the firmware on the system is. My uninformed
> guess is that the kernel is finding a large number of CPUs (either virtual
> or real) and it is probably only fixed by the kernel/software in 7.4. [A
> test would be to see if 7.2 also has this issue and if not then walk
> through the kernels until it does.. then look at the change logs for when
> it starts working again.]
>
> Or I would try installing with a smaller number of CPUs with a command
> line
> entry like
>
> maxcpus=16 (if this system has 82+?)
>
>
>>
>> CentOS boots to the first menu but when I select the option to install
>> almost immediately I get the error below:
>>
>>
>>
>> NMI watchdog: BUG: soft lockup - CPU#82 stuck for 23s!
>> [system-udevd:1221]
Is this an AMD system? I remember such a message somehow but don't know
where I saw it.
Can it be that the system is newer than what was supported with CentOS 7.3?
Regards,
Simon
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