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Re: spurious reboot

On Mon, Nov 25, 2013 at 9:48 PM, Emmanuel Dreyfus <> 
> 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.


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