Re: Random system crashes

Michael Eager <[email protected]>
Newsgroups gmane.org.user-groups.linux.svlug
Message-ID <[email protected]>
On 04/26/2018 10:39 AM, Dan Ritter wrote:
> On Thu, Apr 26, 2018 at 10:29:41AM -0700, Michael Eager wrote:
>> On 04/26/2018 10:03 AM, Dan Ritter wrote:
>>> On Thu, Apr 26, 2018 at 09:42:42AM -0700, Michael Eager wrote:
>>>> I have a server which periodically freezes and becomes unresponsive.
>>>> The system is AMD FX-8320, 32Gb, CentOS 7, kernel-4.15.
>>>>
>>>> There is nothing in the system log which indicates any problem.
>>>> The freezes appear to be random and happen when the system is
>>>> heavily loaded and when it is idle.  Even when heavily loaded,
>>>> system temperature seems reasonable.
>>>
>>> Does it come back without intervention after the freeze, or does
>>> it die and need a reboot or power-cycle?
>>
>> Never recovers.  I have to reset or power-cycle.
> 
> If it only happened under heavy load, I would guess a power
> supply problem.

I thought the same.  I may have replaced the PSU, not sure I recall.

> Sadly, I think you have a serious hardware fault in the motherboard or
> CPU. Sorry.

I may put the system on the workbench and throw a heat gun
at it to see if something starts to fail consitently.

> Diagnosis: let it run for N hours with a CPU exerciser like
> stress-ng, set to thrash the CPU but not memory or disk.

I'll give that a try.

> 
> Semi-good news: you can replace both of them for around $250 at
> NewEgg.

No problem that throwing more money at won't fix.  :-(

-- 
Michael Eager    [email protected]
1960 Park Blvd., Palo Alto, CA 94306
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.