Unclean Reboot For No Apparent Reason

[Joshua Tinnin]

On Saturday 12 March 2005 07:59 am, Ben Haysom <ben.haysom at gmail.com> 
wrote:
> On Sat, 12 Mar 2005 09:33:45 -0600, Vulpes Velox <v.velox at vvelox.net> 
wrote:
> > On Mon, 7 Mar 2005 17:29:17 +0000
> > Ben Haysom <ben.haysom at gmail.com> wrote:
> > > Hi
> > >
> > > A while ago I asked about my 5.3 machine which has taken to
> > > rebooting itself during a full portupgrade.Doesn't shut down
> > > properly - just resets.
> > >
> > > I was advised to try a few things.
> > >
> > > I've done memtest86 from CD, let it do 5 passes and it found no
> > > problems. I unplugged both CDs and the Floppy, and tried it, but
> > > still did the same. cpuburn seems fine.
> > > doing mbmon whilst executing the portupgrade -a command shows the
> > > temperature get to around 42.5 before it resets, but it can vary.
> > >
> > > I'm stuck now... any ideas?
> > > Ben Haysom
> >
> > Memory tests only proove that that the memory is good, not that the
> > hardware the ram is connected to is good. The same for cpuburn. The
> > best stress test is running a make buildword, a make install for
> > scilab, and a find /. If that does not do it, it is most likely a
> > intermitently flakey power supply.
>
> those things  do not do it.
> but the maachine is always on and only ever resets during portupgrade
> -a. every  time.

Well, you might try logging the output and seeing if it's failing at the 
same point each time - try it more than once, logging to two different 
files. If it is, then you have a pretty good idea what's going on. If 
not, it's probably a hardware problem (though possibly not).

- jt