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Date:      Thu, 1 Jun 2017 15:42:32 +0200
From:      Raimo Niskanen <raimo+freebsd@erix.ericsson.se>
To:        <freebsd-questions@freebsd.org>
Subject:   Re: Advice on kernel panics
Message-ID:  <20170601134232.GC2256@erix.ericsson.se>
In-Reply-To: <7372da18-cebf-ab0b-abfa-6dd8b8503b6a@netfence.it>
References:  <20170529092043.GA89682@erix.ericsson.se> <20170601051030.GA39861@geeks.org> <20170601082749.GA80543@erix.ericsson.se> <7372da18-cebf-ab0b-abfa-6dd8b8503b6a@netfence.it>

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On Thu, Jun 01, 2017 at 12:21:29PM +0200, Andrea Venturoli wrote:
> On 06/01/17 10:27, Raimo Niskanen wrote:
> 
> > Any further hints on how to "Check your drive hardware"?
> 
> Try and change the PSU.
> 
> I found out some PSU, when getting older, don't provide as much power as 
> they used to do.

I will check if the PSU(s) is/are pluggable.  Good advice.


> 
> Disk tests will work because they stress one disk at a time, but when 
> all disks work together, they'll choke due to not getting enough power.
> Also memtest86+ checks memory when all other components are idle: again 
> when disks and CPUs start playing, the memory banks may fail due to 
> insufficient power.
> 
>   bye
> 	av.

-- 

/ Raimo Niskanen, Erlang/OTP, Ericsson AB



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