Hello,
i used xen 3.2 before on 2.6.21, now i'm trying 3.4.0 on 2.6.31-4.
my domU's hang at booting time...
I've been reading and looking around for about a week now.
I've identified 3 different places to hang (tested with the same domUs):
* right after kernel booted, before init
* after "mounting swap..."
* after "starting crond"
* sometimes it boots until login and i can login fine.
i'm alway starting with "xm create -c <domname>"
in the host: i see that the "xm" command is always defunct.
if it's after starting crond. then SSH is also started, and i can ssh fine. if
it's before, i cannot SSH. (this also happens if i manually start with "xm
create ", and do xm console later; the only difference is that there is no
defunct xm process).
I'm using the ebuild from the gentoo-patches and google code with kernel
2.6.31-r4 .
both dom0 and domU kernels are that kernel, allthough they have different
configs. (see below)
my domUs are debootstrapped debian4, with udev and syslog-ng installed.
I tried booting also with extra='console=xvc0' and xencons=tty1 in different
combinations, but that was not it.
I thought it was something console-related, because of the error (see below):
"XENBUS: Device with no driver: device/console/0"
the xen log files show no error, i can figure out.
also something i see, i also tried different things here, but cant find it:
PCI: Fatal: No config space access function found
PCI: setting up Xen PCI frontend stub
xend-debug log does have errors, but i don't think they are serious:
----------------------------------------------------------------------------------------
cat: /sys/bus/scsi/devices/host0/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host0/model: No such file or directory
cat: /sys/bus/scsi/devices/host0/type: No such file or directory
cat: /sys/bus/scsi/devices/host0/rev: No such file or directory
cat: /sys/bus/scsi/devices/host0/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host1/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host1/model: No such file or directory
cat: /sys/bus/scsi/devices/host1/type: No such file or directory
cat: /sys/bus/scsi/devices/host1/rev: No such file or directory
cat: /sys/bus/scsi/devices/host1/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host2/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host2/model: No such file or directory
cat: /sys/bus/scsi/devices/host2/type: No such file or directory
cat: /sys/bus/scsi/devices/host2/rev: No such file or directory
cat: /sys/bus/scsi/devices/host2/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host3/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host3/model: No such file or directory
cat: /sys/bus/scsi/devices/host3/type: No such file or directory
cat: /sys/bus/scsi/devices/host3/rev: No such file or directory
cat: /sys/bus/scsi/devices/host3/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host4/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host4/model: No such file or directory
cat: /sys/bus/scsi/devices/host4/type: No such file or directory
cat: /sys/bus/scsi/devices/host4/rev: No such file or directory
cat: /sys/bus/scsi/devices/host4/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host5/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host5/model: No such file or directory
cat: /sys/bus/scsi/devices/host5/type: No such file or directory
cat: /sys/bus/scsi/devices/host5/rev: No such file or directory
cat: /sys/bus/scsi/devices/host5/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host6/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host6/model: No such file or directory
cat: /sys/bus/scsi/devices/host6/type: No such file or directory
cat: /sys/bus/scsi/devices/host6/rev: No such file or directory
cat: /sys/bus/scsi/devices/host6/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host7/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host7/model: No such file or directory
cat: /sys/bus/scsi/devices/host7/type: No such file or directory
cat: /sys/bus/scsi/devices/host7/rev: No such file or directory
cat: /sys/bus/scsi/devices/host7/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/host8/vendor: No such file or directory
cat: /sys/bus/scsi/devices/host8/model: No such file or directory
cat: /sys/bus/scsi/devices/host8/type: No such file or directory
cat: /sys/bus/scsi/devices/host8/rev: No such file or directory
cat: /sys/bus/scsi/devices/host8/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:0/vendor: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:0/model: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:0/type: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:0/rev: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:0/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:1/vendor: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:1/model: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:1/type: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:1/rev: No such file or directory
cat: /sys/bus/scsi/devices/target8:0:1/scsi_level: No such file or directory
cat: /sys/bus/scsi/devices/target8:1:0/vendor: No such file or directory
cat: /sys/bus/scsi/devices/target8:1:0/model: No such file or directory
cat: /sys/bus/scsi/devices/target8:1:0/type: No such file or directory
cat: /sys/bus/scsi/devices/target8:1:0/rev: No such file or directory
cat: /sys/bus/scsi/devices/target8:1:0/scsi_level: No such file or directory
xm console output:
-------------------------
Using config file "/etc/xen/vm-test6".
Started domain vm-test6 (id=15)
[ 0.000000] Linux version 2.6.31
(root@sparco01) (gcc version 4.3.2 (Gentoo 4.3.2-r3 p1.6, pie-10.1.5) ) #15
SMP Thu Oct 22 16:44:31 CEST 2009
[ 0.000000] Command line: root=/dev/sda1 ro console=xvc0 xencons=tty1
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Centaur CentaurHauls
[ 0.000000] maxmem of 4104M is invalid for an initial allocation of 128M,
using 4096M
[ 0.000000] Xen-provided physical RAM map:
[ 0.000000] Xen: 0000000000000000 - 0000000100000000 (usable)
[ 0.000000] last_pfn = 0x100000 max_arch_pfn = 0x80000000
[ 0.000000] init_memory_mapping: 0000000000000000-0000000100000000
[ 0.000000] (3 early reservations) ==> bootmem [0000000000 - 0008000000]
[ 0.000000] #0 [0001485000 - 00014d7000] Xen provided ==>
[0001485000 - 00014d7000]
[ 0.000000] #1 [0001000000 - 0001464cb8] TEXT DATA BSS ==>
[0001000000 - 0001464cb8]
[ 0.000000] #2 [00014d7000 - 0001cdc000] PGTABLE ==>
[00014d7000 - 0001cdc000]
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000000 -> 0x00001000
[ 0.000000] DMA32 0x00001000 -> 0x00100000
[ 0.000000] Normal 0x00100000 -> 0x00100000
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[2] active PFN ranges
[ 0.000000] 0: 0x00000000 -> 0x00008000
[ 0.000000] 0: 0x00100000 -> 0x00100000
[ 0.000000] NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:1 nr_node_ids:1
[ 0.000000] PERCPU: Allocated 11 4k pages, static data 41120 bytes
[ 0.000000] Swapping MFNs for PFN 13a6 and 1493 (MFN 2606cc and 2605df)
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total
pages: 18432
[ 0.000000] Kernel command line: root=/dev/sda1 ro console=xvc0
xencons=tty1
[ 0.000000] PID hash table entries: 512 (order: 9, 4096 bytes)
[ 0.000000] Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
[ 0.000000] Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.000000] Initializing CPU#0
[ 0.000000] Software IO TLB disabled
[ 0.000000] Memory: 52288k/4194304k available (2511k kernel code, 4063232k
absent, 78716k reserved, 1190k data, 220k init)
[ 0.000000] SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=1,
Nodes=1
[ 0.000000] NR_IRQS:336
[ 0.000000] Xen reported: 2493.748 MHz processor.
[ 0.000999] Console: colour dummy device 80x25
[ 0.000999] console [tty-1] enabled
[ 0.862897] Calibrating delay using timer specific routine.. 4990.76
BogoMIPS (lpj=2495382)
[ 0.862945] Mount-cache hash table entries: 256
[ 0.863126] CPU: L1 I cache: 32K, L1 D cache: 32K
[ 0.863131] CPU: L2 cache: 6144K
[ 0.863142] SMP alternatives: switching to UP code
[ 0.878077] Freeing SMP alternatives: 22k freed
[ 0.878172] Brought up 1 CPUs
[ 0.879684] NET: Registered protocol family 16
[ 0.880701] Brought up 1 CPUs
[ 0.880910] PCI: Fatal: No config space access function found
[ 0.880919] PCI: setting up Xen PCI frontend stub
[ 0.883166] bio: create slab <bio-0> at 0
[ 0.883483] suspend: event channel 9
[ 0.883782] xen_mem: Initialising balloon driver.
[ 1.018676] SCSI subsystem initialized
[ 1.018815] usbcore: registered new interface driver usbfs
[ 1.018853] usbcore: registered new interface driver hub
[ 1.018893] usbcore: registered new device driver usb
[ 1.019198] PCI: System does not support PCI
[ 1.019202] PCI: System does not support PCI
[ 1.019616] NET: Registered protocol family 2
[ 1.019675] IP route cache hash table entries: 4096 (order: 3, 32768 bytes)
[ 1.019865] TCP established hash table entries: 16384 (order: 6, 262144
bytes)
[ 1.020169] TCP bind hash table entries: 16384 (order: 6, 262144 bytes)
[ 1.020426] TCP: Hash tables configured (established 16384 bind 16384)
[ 1.020431] TCP reno registered
[ 1.020489] NET: Registered protocol family 1
[ 1.020628] platform rtc_cmos: registered platform RTC device (no PNP
device found)
[ 1.022852] VFS: Disk quotas dquot_6.5.2
[ 1.022929] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 1.023370] msgmni has been set to 256
[ 1.023648] alg: No test for stdrng (krng)
[ 1.023659] io scheduler noop registered
[ 1.023661] io scheduler anticipatory registered
[ 1.023664] io scheduler deadline registered
[ 1.023672] io scheduler cfq registered (default)
[ 1.023722] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 1.023745] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
[ 1.023895] Linux agpgart interface v0.103
[ 1.024949] brd: module loaded
[ 1.025551] loop: module loaded
[ 1.025696] nbd: registered device at major 43
[ 1.028481] Xen virtual console successfully installed as tty1
[ 1.028525] Event-channel device installed.
[ 1.050852] netfront: Initialising virtual ethernet driver.
[ 1.067106] xen-vbd: registered block device major 8
[ 1.067122] blkfront: sda1: barriers enabled
[ 1.067997] blkfront: sdb1: barriers enabled
[ 1.076451] usbmon: debugfs is not available
[ 1.076454] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.076493] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 1.076527] uhci_hcd: USB Universal Host Controller Interface driver
[ 1.076601] Initializing USB Mass Storage driver...
[ 1.076625] usbcore: registered new interface driver usb-storage
[ 1.076629] USB Mass Storage support registered.
[ 1.076653] usbcore: registered new interface driver libusual
[ 1.077546] i8042.c: No controller found.
[ 1.077574] mice: PS/2 mouse device common for all mice
[ 1.077802] TCP cubic registered
[ 1.077804] Initializing XFRM netlink socket
[ 1.077809] NET: Registered protocol family 17
[ 1.077906] XENBUS: Device with no driver: device/console/0
[ 1.152249] kjournald starting. Commit interval 5 seconds
[ 1.152264] EXT3-fs: mounted filesystem with writeback data mode.
[ 1.152273] VFS: Mounted root (ext3 filesystem) readonly on device 8:1.
[ 1.152351] Freeing unused kernel memory: 220k freed
INIT: version 2.86 booting
Activating swap...[ 13.319535] Adding 262136k swap on /dev/sdb1.
Priority:-1 extents:1 across:262136k SS
done.
Checking root file system...fsck 1.40-WIP (14-Nov-2006)
/dev/sda1: clean, 15166/65808 files, 73647/263168 blocks
done.
[ 14.432238] EXT3 FS on sda1, internal journal
Setting the system clock..
Cannot access the Hardware Clock via any known method.
Use the --debug option to see the details of our search for an access method.
Cleaning up ifupdown....
Loading kernel modules...done.
Loading device-mapper support.
Checking file systems...fsck 1.40-WIP (14-Nov-2006)
done.
Setting kernel variables...done.
Mounting local filesystems...done.
Activating swapfile swap...done.
Setting up networking....
Configuring network interfaces...done.
INIT: Entering runlevel: 2
Starting system logging: syslog-ng.
Starting nagios-nrpe: nagios-nrpe.
* Not starting internet superserver: no services enabled.
Starting OpenBSD Secure Shell server: sshd[ 22.389110] NET: Registered
protocol family 10
.
Starting periodic command scheduler: crond.
Debian GNU/Linux 4.0 test6.colo.ba.be tty1
test6.colo.ba.be login: root
Password:
Linux test6.colo.ba.be 2.6.31 #15 SMP Thu Oct 22 16:44:31 CEST 2009 x86_64
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
dom0 kernel .config file
-------------------------------
sparco01 xen # zcat /proc/config.gz | grep XEN
CONFIG_X86_64_XEN=y
# CONFIG_XEN_PCIDEV_FRONTEND 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_BLKDEV_TAP2=y
CONFIG_XEN_BLKBACK_PAGEMAP=y
CONFIG_XEN_NETDEV_BACKEND=y
CONFIG_XEN_NETDEV_TX_SHIFT=8
# CONFIG_XEN_NETDEV_PIPELINED_TRANSMITTER is not set
CONFIG_XEN_NETDEV_LOOPBACK=m
CONFIG_XEN_PCIDEV_BACKEND=y
CONFIG_XEN_PCIDEV_BACKEND_VPCI=y
# CONFIG_XEN_PCIDEV_BACKEND_PASS is not set
# CONFIG_XEN_PCIDEV_BACKEND_SLOT is not set
# CONFIG_XEN_PCIDEV_BACKEND_CONTROLLER is not set
# CONFIG_XEN_PCIDEV_BE_DEBUG is not set
# CONFIG_XEN_TPMDEV_BACKEND is not set
CONFIG_XEN_SCSI_BACKEND=y
CONFIG_XEN_USB_BACKEND=y
# CONFIG_XEN_BLKDEV_FRONTEND is not set
# CONFIG_XEN_NETDEV_FRONTEND is not set
# CONFIG_XEN_SCSI_FRONTEND is not set
# CONFIG_XEN_USB_FRONTEND is not set
# CONFIG_XEN_GRANT_DEV is not set
# CONFIG_XEN_FRAMEBUFFER is not set
CONFIG_XEN_DISABLE_SERIAL=y
CONFIG_XEN_SYSFS=y
CONFIG_XEN_NR_GUEST_DEVICES=256
# CONFIG_XEN_COMPAT_030002_AND_LATER is not set
# CONFIG_XEN_COMPAT_030004_AND_LATER is not set
# CONFIG_XEN_COMPAT_030100_AND_LATER is not set
CONFIG_XEN_COMPAT_030200_AND_LATER=y
# CONFIG_XEN_COMPAT_030300_AND_LATER is not set
# CONFIG_XEN_COMPAT_LATEST_ONLY is not set
CONFIG_XEN_COMPAT=0x030200
CONFIG_XEN_VCPU_INFO_PLACEMENT=y
CONFIG_XEN_SMPBOOT=y
CONFIG_XEN_DEVMEM=y
CONFIG_XEN_BALLOON=y
CONFIG_XEN_SCRUB_PAGES=y
domU kernel .config file:
--------------------------------
test6:~# zcat /proc/config.gz | grep XEN
CONFIG_X86_64_XEN=y
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 is not set
CONFIG_XEN_UNPRIVILEGED_GUEST=y
CONFIG_XEN_PRIVCMD=y
CONFIG_XEN_XENBUS_DEV=y
# CONFIG_XEN_BACKEND is not set
CONFIG_XEN_BLKDEV_FRONTEND=y
CONFIG_XEN_NETDEV_FRONTEND=y
# CONFIG_XEN_NETDEV_ACCEL_SFC_FRONTEND is not set
CONFIG_XEN_SCSI_FRONTEND=y
CONFIG_XEN_USB_FRONTEND=y
# CONFIG_XEN_USB_FRONTEND_HCD_STATS is not set
# CONFIG_XEN_GRANT_DEV is not set
CONFIG_XEN_FRAMEBUFFER=y
CONFIG_XEN_KEYBOARD=y
CONFIG_XEN_DISABLE_SERIAL=y
CONFIG_XEN_SYSFS=y
CONFIG_XEN_NR_GUEST_DEVICES=256
# CONFIG_XEN_COMPAT_030002_AND_LATER is not set
# CONFIG_XEN_COMPAT_030004_AND_LATER is not set
# CONFIG_XEN_COMPAT_030100_AND_LATER is not set
# CONFIG_XEN_COMPAT_030200_AND_LATER is not set
# CONFIG_XEN_COMPAT_030300_AND_LATER is not set
CONFIG_XEN_COMPAT_LATEST_ONLY=y
CONFIG_XEN_COMPAT=0xffffff
CONFIG_XEN_VCPU_INFO_PLACEMENT=y
CONFIG_XEN_SMPBOOT=y
CONFIG_XEN_DEVMEM=y
CONFIG_XEN_BALLOON=y
CONFIG_XEN_SCRUB_PAGES=y
--
BA N.V. - http://www.ba.be
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