[GLLUG] How worried should I be ...

[John Hearns]

These errors are logged in mcelog also - if you are running mcelog!

On Sun, 24 May 2020 at 16:12, John Hearns <hearnsj at gmail.com> wrote:

> As Martin Broosk says run memtest.
> You can run the user space memtester on circa 90% of the RAM.
> Ever better download https://www.stresslinux.org/sl/
> Format a USB stick and boot from it. Then run the memtester utility there.
>
> On a server I would advise to use the iDrac or BMC and get a list of the
> hardware events also.
>
> On Fri, 22 May 2020 at 18:18, James Courtier-Dutton via GLLUG <
> gllug at mailman.lug.org.uk> wrote:
>
>> On Fri, 22 May 2020 at 16:38, Alain D D Williams via GLLUG
>> <gllug at mailman.lug.org.uk> wrote:
>> >
>> > The message below was put to all login sessions this morning. I have
>> never seen
>> > this before. There is nothing more in /var/log/messages.
>> >
>> > The machine is 8 years old, always switched on, AMD 8150 Eight-Core
>> Processor.
>> >
>> > Should I take this as a warning and look to replace the machine or just
>> shrug my
>> > shoulders & mutter something about cosmic rays ?
>> >
>> > TIA
>> >
>> >
>> > Message from syslogd at mint at May 22 07:27:09 ...
>> >  kernel:[Hardware Error]: MC4 Error (node 0): L3 data cache ECC error.
>> >
>> > Message from syslogd at mint at May 22 07:27:09 ...
>> >  kernel:[Hardware Error]: Error Status: Corrected error, no action
>> required.
>> >
>>
>> If this is a one off, I would not worry about it.
>> Bits flip occasionally.
>> If you are getting it continuously, then power off the box. Reboot it,
>> and see if the problem goes away.
>> If it is always there, even after a cold power cycle, you have a hardware
>> fault.
>>
>> --
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>
>
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