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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-users] xen/kernel-xen on OpenSuse 11.1 not starting; OK on OpenSuse 11.0
hi,
i've been successfully running a headless install of OpenSuse 11.0 + Xen 321 as
a Xen Dom0 w/ multiple DomUs for quite awhile ...
i just built up a new OpenSuse 11.1 + Xen 331 box.
short story -- not working, and not clear as to why not .entirely
possible i've missed some new config req'ts ...
what do I need to do to get xen behaving under 11.1?
i'm happy to provide any info -- just need some guidance as to where to look ...
(ps -- already posted this to 'opensuse-virtual' list; was suggested
to post here as well ...)
here are the 'gory details':
i've partitioned, as always, as RAID-1 across two disks,
sda + sdb, each
part1 150 MB, LinuxRaid
part2 10 GB, LinuxRaid
part3 *, LinuxRaid
RAID-1
/dev/md0 = sda1 + sdb1, mount_pt = '/boot', ext3
/dev/md1 = sda2 + sdb2
Volume Group "System"
Logical Volume "Swap", mount_pt = 'swap', 512 MB,
Logical Volume "Root", mount_pt = '/', *
/dev/md2 = sda3 + sdb3
with this setup, boot to non-xen kernel works perfectly, as it did on
OpenSuse 11.0,
uname -a
Linux server 2.6.27.7-9-default #1 SMP 2008-12-04
18:10:04 +0100 x86_64
x86_64 x86_64 GNU/Linux
lsb_release -r
Release: 11.1
cat /etc/fstab
/dev/md0 /boot ext3 acl,user_xattr 1 2
/dev/System/Root / ext3 acl,user_xattr 1 1
/dev/System/Swap swap swap defaults 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs noauto 0 0
debugfs /sys/kernel/debug debugfs noauto 0 0
usbfs /proc/bus/usb usbfs noauto 0 0
devpts /dev/pts devpts mode=0620,gid=5 0 0
dmesg | egrep -i "fs|mount"
Mount-cache hash table entries: 256
ACPI: Checking initramfs for custom DSDT
Unpacking initramfs... done
VFS: Disk quotas dquot_6.5.1
usbcore: registered new interface driver usbfs
EXT3 FS on dm-0, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
EXT3 FS on md0, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
EXT3 FS on dm-2, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
EXT3 FS on dm-3, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
df -H
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/System-Root 13G 2.1G 9.8G 18% /
udev 4.2G 160k 4.2G 1% /dev
/dev/md0 152M 52M 92M 37% /boot
next, i've installed
zypper in -t pattern xen-server
rpm -qa | grep -i xen
kernel-xen-base-2.6.27.7-9.1
xen-libs-3.3.1_18494_03-1.8
xen-tools-3.3.1_18494_03-1.8
kernel-xen-2.6.27.7-9.1
kernel-xen-extra-2.6.27.7-9.1
xen-3.3.1_18494_03-1.8
on attempt to boot to xen kernel, it fails.
@ boot console I see mention of '/var' not available scroll quickly by, and
something about fsck.ext3 failing ... then i'm dumped @ a console prompt:
"fsck failed for at lease one filesystem (not /).
Please repair manually and reboot.
The root file system is is already mounted read-write.
Attention: Only CONTROL-D will reboot the system in this
maintenance mode. Shutdown or reboot will not work.
Give root passwod for login:"
I enter the password ...
"if: Expression Syntax.
(none) /root #
(none) /root # ls -ald /var /boot
drwxr-xr-x 15 root root 4096 Dec 19 18:20 /var
drwxr-xr-x 2 root root 4096 Dec 19 18:12 /boot
(none) /root # ls /boot
(none) /root #
> Is it that boot is not mounted?
> try mount /boot
(none) /root #
(none) /root # mount /boot
"EXT3-fs: unable to read superblock
mount: wrong fs type, bad option, bad superblock on /dev/md0"
(none) /root #
(none) /root # reboot
... which, despite the admonition above, DOES work ...
checking, nothing is written to /var/log/xen/xend.log or /var/log/messages.
rebooting to non-xen kernel, all is ok again.
at the non-xen kernel system's prompt, checking,
service xend start
returns simply
xend unused
and,
> xend
ERROR Internal error: Could not obtain handle on privileged command interface
(2 = No such file or directory)
Traceback (most recent call last):
File "/usr/sbin/xend", line 44, in <module>
from xen.xend.server import SrvDaemon
File "/usr/lib64/python2.6/site-packages/xen/xend/server/SrvDaemon.py",
line 26, in <module>
import relocate
File "/usr/lib64/python2.6/site-packages/xen/xend/server/relocate.py",
line
28, in <module>
from xen.xend import XendDomain
File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomain.py", line
35,
in <module>
from xen.xend import XendOptions, XendCheckpoint,
XendDomainInfo
File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py",
line
20, in <module>
from xen.xend import balloon, sxp, image
File "/usr/lib64/python2.6/site-packages/xen/xend/image.py", line 44,
in
<module>
xc = xen.lowlevel.xc.xc()
xen.lowlevel.xc.Error: (1, 'Internal error', 'Could not obtain handle on
privileged command interface (2 = No such file or directory)')
It was pointed out to me elsewhere that,
> xend can't start on a non-xen kernel, it doesn't have /proc/xen/* etc.
If true, then, I've clearly misread this @
http://en.opensuse.org/Installing_Xen3:
"...
Next you can activate the Xen daemon:
/etc/init.d/xend start
insserv –d xend
Finally you have to reboot your system:
reboot
..."
which seems to me to imply that 'xend' can be started before rebooting
into the xen kernel ...
for debugging, I'm in the process of trying to communicate with the
box via serial port tocapture the Xen startup process output.
I've managed to find a serial-port connector card & cable
for the mobo's serial header, found a Keyspan USB-to-serial connector
(I'm on a Mac ...), and built up minicom on OSX.
I've verified it works connecting to a FreeBSD/Soekris box's serial port.
On the Opensuse box, I've added to /boot/grub/menu.lst
...
###Don't change this comment - YaST2 identifier: Original name: xen###
title Xen (x86_64) com1 and debug
root (hd0,0)
kernel /boot/xen-dbg.gz loglvl=all guest_loglvl=all
debug_stack_lines=80 console=vga,com1 com1=115200,8n1
module /vmlinuz-xen root=/dev/System/Root resume=/dev/System/Swap
splash=silent showopts vga=0x317 console=ttyS0, 115200
module /initrd-xen
...
which I *think* is correct for my setup.
At reboot to this grub selection, I see the "(XEN) ..." output @ VGA
console, then "... Relinquishing console ...", and no more output @
the console.
I gather at this point the output's been redirected to the serial port.
Unfortunately, I see not a trace of connectivity in minicom :-/ Not
clear as yet as to what's not working ...
Thanks.
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