Hi Thomas,

On Sat, Jun 09, 2007 at 01:08:27PM +0200, Thomas Klausner wrote:

> I upgraded my desktop amd64 from 4.99.19 to 4.99.20 four days ago (on
> June 5).  During these four days it hung two times and spontaneously
> rebooted once. I'm usually in X, so I'm not sure why exactly it hung.
> 
> For the reboot, I got the following in the kernel log:
> Jun  8 17:41:20 hiro /netbsd: uvm_fault(0xffffffff8093d200, 0x0, 1) -> e
> Jun  8 17:41:20 hiro /netbsd: fatal page fault in supervisor mode
> Jun  8 17:41:20 hiro /netbsd: trap type 6 code 0 rip ffffffff804f5610 cs 8 rflags 10246 cr2  78 cpl 5 rsp ffff800046274d70
> Jun  8 17:41:20 hiro /netbsd: panic: trap

Where is ffffffff804f5610 according to nm? Can you compile with ddb and
-fno-omit-frame-pointer so that you can get a backtrace if it happens
again?

Andrew