[Xen-users] (XEN) Unknown interrupt?

[Arthur Drury <devnull5475@xxxxxxxxx>]

Hi. 

This is a repeat, after decent interval, of a post on Gentoo forum. 
http://forums.gentoo.org/viewtopic-t-771791.html

I have been trying to convert an existing Gentoo installation to a Xen Domain0. 
I have followed instructions at http://www.gentoo.org/doc/en/xen-guide.xml, 
http://en.gentoo-wiki.com/wiki/Xen and in Running Xen from Prentice Hall.

However, I'm having trouble booting Xen 3.3.1. 

Here's an abbreviated copy of what I see when I try to boot: 


Code: 
(XEN) Found 3 MBR signatures 
(XEN) Found 3 EDD information structures 
(XEN) Xen-e820 RAM map: 
(XEN) ... (usable) 
(XEN) ... (reserved) 
(XEN) ... (reserved) 
(XEN) ... (usable) 
(XEN) ... (ACPI data) 
(XEN) ... (ACPI NVS) 
(XEN) ... (reserved) 
(XEN) ... (reserved) 
(XEN) Unknown interrupt (cr2=00000000) 
... 

Xen install: 


Code: 
[506]$ equery w xen 
/usr/portage/app-emulation/xen/xen-3.3.1-r1.ebuild 

I built the xen-related packages with -mno-tls-direct-seg-refs, but the rest of 
the existing system hasn't been compiled that way (yet). 


Code: 
Portage 2.1.6.13 (default/linux/x86/2008.0/desktop, gcc-4.3.2, 
glibc-2.8_p20080602-r1, 2.6.28-gentoo-r5 i686) 
================================================================= 
System uname: 
Linux-2.6.28-gentoo-r5-i686-Intel-R-_Pentium-R-_4_CPU_2.80GHz-with-glibc2.0 
Timestamp of tree: Sat, 13 Jun 2009 09:30:20 +0000 
distcc 3.1 i686-pc-linux-gnu [disabled] 
ccache version 2.4 [enabled] 
app-shells/bash:     3.2_p39 
dev-java/java-config: 1.3.7-r1, 2.1.7 
dev-lang/python:     2.4.4-r9, 2.5.4-r2 
dev-python/pycrypto: 2.0.1-r8 
dev-util/ccache:     2.4-r7 
dev-util/cmake:      2.6.4 
sys-apps/baselayout: 1.12.11.1 
sys-apps/sandbox:    1.6-r2 
sys-devel/autoconf:  2.13, 2.63 
sys-devel/automake:  1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10.2 
sys-devel/binutils:  2.18-r3 
sys-devel/gcc-config: 1.4.1 
sys-devel/libtool:   1.5.26 
virtual/os-headers:  2.6.27-r2 
ACCEPT_KEYWORDS="x86" 
CBUILD="i686-pc-linux-gnu" 
CFLAGS="-march=pentium4 -mmmx -msse -msse2 -pipe -O2 -fomit-frame-pointer 
-mno-tls-direct-seg-refs" 
#CFLAGS="-march=i686 -mmmx -msse -msse2 -pipe -O2 -fomit-frame-pointer 
-mno-tls-direct-seg-refs" # no help
CHOST="i686-pc-linux-gnu" 
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config 
/usr/kde/3.5/shutdown /usr/share/config /var/lib/hsqldb" 
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d
/etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/revdep-rebuild
/etc/sandbox.d /etc/splash /etc/terminfo /etc/udev/rules.d" 
CXXFLAGS="-march=pentium4 -mmmx -msse -msse2 -pipe -O2 -fomit-frame-pointer 
-mno-tls-direct-seg-refs" 
DISTDIR="/usr/portage/distfiles" 
FEATURES="ccache distlocks fixpackages parallel-fetch protect-owned sandbox 
sfperms strict unmerge-orphans userfetch" 
GENTOO_MIRRORS="http://distfiles.gentoo.org 
http://distro.ibiblio.org/pub/linux/distributions/gentoo";; 
LDFLAGS="-Wl,-O1 -Wl,--sort-common" 
LINGUAS="en_US" 
MAKEOPTS="-j3" 
PKGDIR="/usr/portage/packages" 
PORTAGE_CONFIGROOT="/" 
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms
--times --compress --force --whole-file --delete --stats --timeout=180
--exclude=/distfiles --exclude=/local --exclude=/packages" 
PORTAGE_TMPDIR="/var/tmp" 
PORTDIR="/usr/portage" 
SYNC="rsync://rsync.gentoo.org/gentoo-portage" 
USE="X aac acl acm acpi aim alsa amr apache2 apm arts audiofile avi
bash-completion berkdb bitmap-fonts bluetooth bonobo branding bzip2
bzlib cairo cdparanoia cdr cli cracklib crypt cscope ctypes cups curl
curlwrappers custom-cflags custom-cxxflags custom-optimization dbm dbus
dbx dga dio dirac dri dvd dvdr dvdread eds emboss encode esd evo expat
f77 fam fbcondecor firefox flask font-server foomaticdb fortran gdbm
gif gimpprint gnutls gpm graphviz gs gstreamer gtk gtk2 gtkhtml hal
iconv icq imlib ipv6 isdnlog jabber java java6 jce jpeg jpeg2k ldap
libg++ libnotify libwww lzo mad maildir mailwrappers midi mikmod mmx
mozilla mp3 mpeg mudflap ncurses nis nls nptl nptlonly nsplugin oci8
ogg oggvorbis opengl openmp oracle oss pam pcre pda pdf pdflib perl png
pnp postgres ppds pppd pygrub python qt qt3 qt3support qt4 quicktime
readline reflection samba schroedinger screen sdl server session
sockets spell spl sse sse2 ssl startup-notification suexec svg swat
sysfs tcpd templates theora tiff truetype truetype-fonts type1-fonts
unicode usb vhook vim-pager vim-syntax vorbis win32codecs wmf x264 x86
xml xml2 xorg xsm xulrunner xv xvid zlib" ALSA_CARDS="hda-intel"
ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug
file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw
multi null plug rate route share shm softvol" APACHE2_MODULES="actions
alias auth_basic auth_digest authn_anon authn_dbd authn_dbm
authn_default authn_file authz_dbm authz_default authz_groupfile
authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock
dbd deflate dir disk_cache env expires ext_filter file_cache filter
headers ident imagemap include info log_config logio mem_cache mime
mime_magic negotiation proxy proxy_ajp proxy_balancer proxy_connect
proxy_http rewrite setenvif so speling status unique_id userdir
usertrack vhost_alias" ELIBC="glibc" INPUT_DEVICES="evdev"
KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216
lcdm001 mtxorb ncurses text" LINGUAS="en_US" USERLAND="GNU"
VIDEO_CARDS="radeon" 
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, FFLAGS,
INSTALL_MASK, LANG, LC_ALL, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS,
PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY 

Based on fragmentary info from Google searches, I tried disabling acpi, but got 
same results: 


Code: 
title=Latest Xen vmlinux 
root (hd0,0) 
kernel /boot/xen.gz acpi=off 
module /boot/vmlinux root=/dev/sda3 


Code: 
title=Latest Xen vmlinux 
root (hd0,0) 
kernel /boot/xen.gz 
module /boot/vmlinux root=/dev/sda3 acpi=off 

XEN-related kernel info: 


Code: 
[linux-2.6.18-xen-r12 505]$ grep XEN .config 
CONFIG_X86_XEN=y 
# CONFIG_PCI_GOXEN_FE is not set 
CONFIG_XEN_PCIDEV_FRONTEND=y 
# CONFIG_XEN_PCIDEV_FE_DEBUG is not set 
CONFIG_XEN=y 
CONFIG_XEN_INTERFACE_VERSION=0x00030207 
# XEN 
CONFIG_XEN_PRIVILEGED_GUEST=y 
# CONFIG_XEN_UNPRIVILEGED_GUEST is not set 
CONFIG_XEN_PRIVCMD=y 
CONFIG_XEN_XENBUS_DEV=y 
CONFIG_XEN_BACKEND=y 
CONFIG_XEN_BLKDEV_BACKEND=y 
CONFIG_XEN_BLKDEV_TAP=y 
CONFIG_XEN_NETDEV_BACKEND=y 
# CONFIG_XEN_NETDEV_PIPELINED_TRANSMITTER is not set 
# CONFIG_XEN_NETDEV_LOOPBACK is not set 
# CONFIG_XEN_PCIDEV_BACKEND is not set 
# CONFIG_XEN_TPMDEV_BACKEND is not set 
CONFIG_XEN_SCSI_BACKEND=m 
# CONFIG_XEN_BLKDEV_FRONTEND is not set 
# CONFIG_XEN_NETDEV_FRONTEND is not set 
# CONFIG_XEN_SCSI_FRONTEND is not set 
# CONFIG_XEN_GRANT_DEV is not set 
# CONFIG_XEN_FRAMEBUFFER is not set 
CONFIG_XEN_SCRUB_PAGES=y 
CONFIG_XEN_DISABLE_SERIAL=y 
CONFIG_XEN_SYSFS=y 
# CONFIG_XEN_COMPAT_030002_AND_LATER is not set 
# CONFIG_XEN_COMPAT_030004_AND_LATER is not set 
CONFIG_XEN_COMPAT_030100_AND_LATER=y 
# CONFIG_XEN_COMPAT_LATEST_ONLY is not set 
CONFIG_XEN_COMPAT=0x030100 
CONFIG_XEN_SMPBOOT=y 
CONFIG_XEN_BALLOON=y 
CONFIG_XEN_DEVMEM=y 

Any suggestions appreciated. TIA. ASD


      

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