Re: amd64 domU panic under load

["Aaron J. Grier" <agrier%poofygoof.com@localhost>]

On Sat, Aug 04, 2012 at 09:54:12PM -0700, Aaron J. Grier wrote:
> anybody seen this?
> 
> uvm_fault(0xffffa00005a1f190, 0x7fbfdfe00000, 1) -> e
> fatal page fault in supervisor mode
> trap type 6 code 0 rip ffffffff802cf27e cs e030 rflags 10206 cr2
> 7fbfdfe00000 cpl 0 rsp ffffa0007214f870
> panic: trap
> cpu0: Begin traceback...
> printf_nolog() at netbsd:printf_nolog
> startlwp() at netbsd:startlwp
> alltraps() at netbsd:alltraps+0xa7
> pmap_enter() at netbsd:pmap_enter+0x35
> uvm_fault_internal() at netbsd:uvm_fault_internal+0xf17
> trap() at netbsd:trap+0x500
> --- trap (number 6) ---
> 45b5b2:
> cpu0: End traceback...
> 
> dump to dev 142,1 not possible
> rebooting...
> 
> xen 4.1.2 from pkgsrc; dom0 is NetBSD 6.0_BETA2.
> 
> there are no new messages in xl dmesg since the domU was started.

FWIW, this appears to be fixed in 6.0_RELEASE.  (dom0 is still running
6.0_BETA2 -- the problem was with domU, not the dom0.)

-- 
  Aaron J. Grier | "Not your ordinary poofy goof." | 
agrier%poofygoof.com@localhost