> Ladies and gentlemen,
> This is a sad day, but I cannot tell a lie. My Linux box just
> crashed. It actually locked up solid for no obvious reason. Yes, I
> even had to hit the reset button to reboot. Of course the disks were
> all synced and fscked and my usual apps auto-recovered their state,
> but it did die.
A single-event upset (aka parity error) in the area of memory used by
the kernel can easily cause this.