Re: spurious reboot

[Andy Ruhl <acruhl%gmail.com@localhost>]

On Mon, Nov 25, 2013 at 9:48 PM, Emmanuel Dreyfus <manu%netbsd.org@localhost> 
wrote:
> Hi
>
> I have a new x86 machine that reboots on its own a few times a day.
> There is no kernel panic (I have ddb.onpanic=1 to be sure I could not
> miss it), no warning message, nothing, it just reboots.
>
> Is there a way for a software bug to cause that? I assumed so far that
> software problems would cause a panic, and therefore I focused on
> finding a hardware problem. but now I have replaced every bit of the
> machine except disk and RAM, I am not sure of that point anymore.

This might not be very likely, but I've seen a hardware ACPI bug cause
this.  You might try booting a different OS off of a USB stick or
something and see if the problem continues.

Andy