Re: port-amd64/42128: page fault trap installing NetBSD/amd64 5.0.1 under Xen

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

The following reply was made to PR port-amd64/42128; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: port-amd64-maintainer%NetBSD.org@localhost, 
gnats-admin%NetBSD.org@localhost,
        netbsd-bugs%NetBSD.org@localhost
Subject: Re: port-amd64/42128: page fault trap installing NetBSD/amd64 5.0.1 
under Xen
Date: Sat, 26 Sep 2009 16:37:19 +0200

 On Sat, Sep 26, 2009 at 10:35:00AM +0000, reed%reedmedia.net@localhost wrote:
 > >Number:         42128
 > >Category:       port-amd64
 > >Synopsis:       page fault trap installing NetBSD/amd64 5.0.1 under Xen
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       medium
 > >Responsible:    port-amd64-maintainer
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Sat Sep 26 10:35:00 +0000 2009
 > >Originator:     reed%reedmedia.net@localhost
 > >Release:        NetBSD 5.0.1
 > >Organization:
 > >Environment:
 > Architecture: x86_64
 > Machine: amd64
 > >Description:
 > Installing as a Xen guest using the amd64cd-5.0.1.iso.  When it
 > got to the untar step in sysinst (extracting kern-GENERIC.tgz), it
 > aborted with:
 
 Is it a PV guest or a HVM guest ?
 > 
 > kernel: page fault trap, code=0
 > Stopped in pid 0.4 (system) at  0xffffffff804f163e:    repe insl      
 > %dx,%es:(%rdi)
 > db{0}> bt
 > ?() at 0xffffffff804f163e
 > ?() at 0xffffffff804fefc7
 > ?() at 0xffffffff802c3207
 > ?() at 0xffffffff804e0e4d
 > ?() at 0xffffffff80105a4f
 > Bad frame pointer: 0xffff800001215ac40
 
 Also what is the message just before the page fault ? Did it start
 userland at this point ?
 
 -- 
 Manuel Bouyer <bouyer%antioche.eu.org@localhost>
      NetBSD: 26 ans d'experience feront toujours la difference
 --