OT: Weird Hardware Problem

Tim Daneliuk tundra at tundraware.com
Tue May 19 14:52:59 UTC 2020

On 5/19/20 8:52 AM, Michael Schuster wrote:
> can you trigger the problem when you perform the linux installation with full disk encryption in a VM?

It appears not.  It is installing right now and seems to be working just fine when I
do the installation with disk encryption in an Oracle Virtualbox VM on that machine.

> On Tue, May 19, 2020 at 3:48 PM Tim Daneliuk <tundra at tundraware.com <mailto:tundra at tundraware.com>> wrote:
>     I was recently given a Dell Inspiron 3847 which has an i7-4790 and 16G
>     of memory.  Perfect for multibooting BSD and Linux.  It needed a new power
>     supply but now that this is installed, it's exhibiting a very strange
>     problem.
>     The machine will work for hours flawless and then - for no apparent reason -
>     reboot randomly.  The former owner reports that this was also happening
>     when they last had it running Win8.
>     I've run very heavy loads on it with load averages up to almost 50 - no
>     problem.  I've run overnight memory tests which return 0 errors.
>     I've run CPU stress tests flawlessly and temperatures were fine.
>     One hint here:  I can consistently force the problem to happen if I start
>     a Linux installation and request full disk encryption as part of the install.
>     I doubt it has anything to with encryption per se, but there is some kind
>     of pattern of use that it causing the reboot.
>     Has anyone else ever seen something like this and/or have resolution?
>     Is there a known bug with that processor?
>     My first instinct was to blame flakey memory (DDR 1600 2x8G Hynix) but -
>     as I said - memory testing is flawless.
>     Thoughts and ideas most welcome.
>     TIA,
>     ----------------------------------------------------------------------------
>     Tim Daneliuk     tundra at tundraware.com <mailto:tundra at tundraware.com>
>     PGP Key:         http://www.tundraware.com/PGP/
>     _______________________________________________
>     freebsd-questions at freebsd.org <mailto:freebsd-questions at freebsd.org> mailing list
>     https://lists.freebsd.org/mailman/listinfo/freebsd-questions
>     To unsubscribe, send any mail to "freebsd-questions-unsubscribe at freebsd.org <mailto:freebsd-questions-unsubscribe at freebsd.org>"
> -- 
> Michael Schuster
> http://recursiveramblings.wordpress.com/
> recursion, n: see 'recursion'

Tim Daneliuk     tundra at tundraware.com
PGP Key:         http://www.tundraware.com/PGP/

More information about the freebsd-questions mailing list