Re: kern/45361: Consistent kernel panic when building qemu in amd64

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR kern/45361; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/45361: Consistent kernel panic when building qemu in amd64
Date: Mon, 12 Sep 2011 20:38:14 +0000

 On Mon, Sep 12, 2011 at 07:25:00PM +0000, jmmv%netbsd.org@localhost wrote:
  >     Sep 12 15:14:26 netbsd syslogd[211]: restart
  >     Sep 12 15:14:26 netbsd /netbsd: pmap_kenter_pa: mapping already present
  >     Sep 12 15:14:26 netbsd syslogd[211]: last message repeated 2 times
  >     Sep 12 15:14:26 netbsd /netbsd: uvm_fault(0xffff800048bd02e8, 
0x7f7ff0d1b000, 1) -> e
  >     Sep 12 15:14:26 netbsd /netbsd: fatal page fault in supervisor mode
  >     Sep 12 15:14:26 netbsd /netbsd: trap type 6 code 0 rip ffffffff806fae06 
cs 8 rflags 10297 cr2  7f7ff0d1bf20 cpl 6 rsp ffff800048bbd990
  >     Sep 12 15:14:26 netbsd /netbsd: panic: trap
  >     Sep 12 15:14:26 netbsd /netbsd: cpu3: Begin traceback...
  >     Sep 12 15:14:26 netbsd /netbsd: startlwp() at netbsd:startlwp
  >     Sep 12 15:14:26 netbsd /netbsd: alltraps() at netbsd:alltrapsu+v0mx_af2a
  >     Sep 12 15:14:26 netbsd /netbsd: ult(0xffff8000490aba28, 0x7f7ff0d1e000, 
1) -> e
  >     Sep 12 15:14:26 netbsd /netbsd: fatal page fault in supervisor mode
  >     Sep 12 15:14:26 netbsd /netbsd: trap type 6 code 0 rip ffffffff806fac39 
cs 8 rflkagesv e1n0t219(7)  cart2   7f7ff0d1eb10 cpl 8 rsp 
ffff800n0e4tcb4s2df:7kbe0v
  >     Sep 12 15:14:26 netbsd /netbsd: ent1+0x2b6
  >     Sep 12 15:14:26 netbsd /netbsd: sys___kevent50() at 
netbsd:sys___kevent50+0x33
  >     Sep 12 15:14:26 netbsd /netbsd: syscall() at netbsd:syscall+0xac
  >     Sep 12 15:14:26 netbsd /netbsd: cpu3: End traceback...
  > 
  >     I have a crash dump available that might provide more information if 
needed.
 
 Can you at least extract a non-garbled stack trace?
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost