Date: Tue, 19 May 2020 09:51:31 -0500 From: Tim Daneliuk <tundra@tundraware.com> To: Michael Schuster <michaelsprivate@gmail.com> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: OT: Weird Hardware Problem Message-ID: <67ac6396-967f-1d76-0c6d-011d0799b6b7@tundraware.com> In-Reply-To: <CADqw_gKyNwKHKMFU1%2BHu1g2ykKb8cHRDxxWsDuJo8qNuwY0Uxw@mail.gmail.com> References: <0a9f810d-7b4b-f4e6-4b7c-716044a9cf69@tundraware.com> <CADqw_gKyNwKHKMFU1%2BHu1g2ykKb8cHRDxxWsDuJo8qNuwY0Uxw@mail.gmail.com>
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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@tundraware.com <mailto:tundra@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@tundraware.com <mailto:tundra@tundraware.com> > PGP Key: http://www.tundraware.com/PGP/ > > _______________________________________________ > freebsd-questions@freebsd.org <mailto:freebsd-questions@freebsd.org> mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org <mailto:freebsd-questions-unsubscribe@freebsd.org>" > > > > -- > Michael Schuster > http://recursiveramblings.wordpress.com/ > recursion, n: see 'recursion' -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/
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