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Re: [Xen-users] domU freezes solid after startup -- why?

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] domU freezes solid after startup -- why?
From: Rich Wales <richw@xxxxxxxxx>
Date: Mon, 17 Dec 2007 10:59:32 -0800
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Stephan Seitz wrote:

> add     extra = 'xencons=tty'     to the domU config file.

Thanks.  I tried this, but the domU still freezes up -- though it seems
to be freezing at a different place now than it did previously.

See the attached console output.  This time, it froze on the third line
from the end ("Setting the system clock.."); the last two lines of output
happened after I did an "xm shutdown" on the domU.

In case it matters, I'm trying to run Xen 3.1 on an Ubuntu 7.10 system
(kernel = 2.6.22-14-xen).  The hardware is an AMD Athlon XP 2700+ with
2 GB of RAM.  The dom0 seems to run perfectly.

-- 
Rich Wales      ===      Palo Alto, CA, USA      ===     richw@xxxxxxxxx
http://www.richw.org   ===   http://en.wikipedia.org/wiki/User:Richwales
[    0.000000] Linux version 2.6.22-14-xen (buildd@palmer) (gcc version 4.1.3 
20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)) #1 SMP Mon Oct 15 00:35:38 GMT 
2007 (Unofficial)
[    0.000000] Reserving virtual address space above 0xf5800000
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  Xen: 0000000000000000 - 0000000018800000 (usable)
[    0.000000] 0MB HIGHMEM available.
[    0.000000] 392MB LOWMEM available.
[155490.986019] Zone PFN ranges:
[155490.986021]   DMA             0 ->   100352
[155490.986024]   Normal     100352 ->   100352
[155490.986026]   HighMem    100352 ->   100352
[155490.986028] early_node_map[1] active PFN ranges
[155490.986030]     0:        0 ->   100352
[155490.999017] ACPI in unprivileged domain disabled
[155490.999594] Allocating PCI resources starting at 20000000 (gap: 
18800000:e7800000)
[155490.999681] Built 1 zonelists.  Total pages: 99568
[155490.999686] Kernel command line: root=/dev/hda1 ro xencons=tty
[155490.999916] Enabling fast FPU save and restore... done.
[155490.999921] Enabling unmasked SIMD FPU exception support... done.
[155490.999925] Initializing CPU#0
[155491.000142] PID hash table entries: 2048 (order: 11, 8192 bytes)
[155491.000178] Xen reported: 2162.724 MHz processor.
[155491.000210] Console: colour dummy device 80x25
[155491.000568] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[155491.000817] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[155491.000912] Software IO TLB disabled
[155491.000920] vmalloc area: d9000000-f53fe000, maxmem 2d800000
[155491.009694] Memory: 364160k/401408k available (2071k kernel code, 28912k 
reserved, 926k data, 200k init, 0k highmem)
[155491.009719] virtual kernel memory layout:
[155491.009721]     fixmap  : 0xf568f000 - 0xf57ff000   (1472 kB)
[155491.009722]     pkmap   : 0xf5400000 - 0xf5600000   (2048 kB)
[155491.009723]     vmalloc : 0xd9000000 - 0xf53fe000   ( 451 MB)
[155491.009725]     lowmem  : 0xc0000000 - 0xd8800000   ( 392 MB)
[155491.009726]       .init : 0xc03f3000 - 0xc0425000   ( 200 kB)
[155491.009727]       .data : 0xc0305cfe - 0xc03ed544   ( 926 kB)
[155491.009728]       .text : 0xc0100000 - 0xc0305cfe   (2071 kB)
[155491.009750] Checking if this processor honours the WP bit even in 
supervisor mode... Ok.
[155491.009817] SLUB: Genslabs=22, HWalign=32, Order=0-1, MinObjects=4, CPUs=1, 
Nodes=1
[155491.074591] Calibrating delay using timer specific routine.. 4328.06 
BogoMIPS (lpj=8656126)
[155491.074694] Security Framework v1.0.0 initialized
[155491.074724] SELinux:  Disabled at boot.
[155491.074763] Mount-cache hash table entries: 512
[155491.074945] CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 
bytes/line)
[155491.074977] CPU: L2 Cache: 256K (64 bytes/line)
[155491.075014] Compat vDSO mapped to f57fe000.
[155491.075044] Checking 'hlt' instruction... OK.
[155491.075232] SMP alternatives: switching to UP code
[155491.075528] Freeing SMP alternatives: 11k freed
[155491.075685] Early unpacking initramfs... done
[155491.121037] Brought up 1 CPUs
[155491.121827] NET: Registered protocol family 16
[155491.123904] Brought up 1 CPUs
[155491.123967] PCI: Fatal: No config space access function found
[155491.124061] PCI: setting up Xen PCI frontend stub
[155491.124660] ACPI: Interpreter disabled.
[155491.124715] Linux Plug and Play Support v0.97 (c) Adam Belay
[155491.124752] pnp: PnP ACPI: disabled
[155491.125287] xen_mem: Initialising balloon driver.
[155491.127972] Setting mem allocation to 393216 kiB
[155491.128242] PCI: System does not support PCI
[155491.128279] PCI: System does not support PCI
[155491.128337] NET: Registered protocol family 8
[155491.128363] NET: Registered protocol family 20
[155491.128803] NET: Registered protocol family 2
[155491.128868] Time: xen clocksource has been installed.
[155491.156121] IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
[155491.156192] TCP established hash table entries: 16384 (order: 5, 196608 
bytes)
[155491.156428] TCP bind hash table entries: 16384 (order: 5, 131072 bytes)
[155491.156605] TCP: Hash tables configured (established 16384 bind 16384)
[155491.156613] TCP reno registered
[155491.168226] checking if image is initramfs... it is
[155491.237763] Freeing initrd memory: 20260k freed
[155491.238261] audit: initializing netlink socket (disabled)
[155491.238317] audit(1197904679.706:1): initialized
[155491.240468] VFS: Disk quotas dquot_6.5.1
[155491.240626] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[155491.240814] io scheduler noop registered
[155491.240848] io scheduler anticipatory registered
[155491.240872] io scheduler deadline registered
[155491.240909] io scheduler cfq registered (default)
[155491.265145] Real Time Clock Driver v1.12ac
[155491.265885] RAMDISK driver initialized: 16 RAM disks of 65536K size 1024 
blocksize
[155491.266153] input: Macintosh mouse button emulation as /class/input/input0
[155491.273761] Xen virtual console successfully installed as tty1
[155491.273980] Event-channel device installed.
[155491.297856] netfront: Initialising virtual ethernet driver.
[155491.299636] xen-vbd: registered block device major 3
[155491.299730] blkfront: hda1: barriers enabled
[155491.301153] blkfront: hda2: barriers enabled
[155491.303956] PNP: No PS/2 controller found. Probing ports directly.
[155491.304789] i8042.c: No controller found.
[155491.304917] mice: PS/2 mouse device common for all mice
[155491.305076] TCP cubic registered
[155491.305090] NET: Registered protocol family 1
[155491.305115] Using IPI No-Shortcut mode
[155491.306601] netfront: device eth0 has copying receive path.
[155491.400062] XENBUS: Device with no driver: device/console/0
[155491.400281] Freeing unused kernel memory: 200k freed
Loading, please wait...
Couldnt get a file descriptor referring to the console
Couldnt get a file descriptor referring to the console
Couldnt get a file descriptor referring to the console
Couldnt get a file descriptor referring to the console
Couldnt get a file descriptor referring to the console
Couldnt get a file descriptor referring to the console
Begin: Loading essential drivers... ...
[155491.789846] AppArmor: AppArmor initialized<5>audit(1197904680.258:2):  
type=1505 info="AppArmor initialized" pid=1034
[155491.802293] fuse init (API version 7.8)
[155491.811574] Failure registering capabilities with primary security module.
[155491.860760] thermal: Unknown symbol acpi_processor_set_thermal_limit
[155491.879244] device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialised: 
dm-devel@xxxxxxxxxx
Done.
Begin: Running /scripts/init-premount ...
Done.
Begin: Mounting root file system... ...
Begin: Running /scripts/local-top ...
Done.
Begin: Running /scripts/local-premount ...
Done.
[155492.295156] EXT3-fs: INFO: recovery required on readonly filesystem.
[155492.295314] EXT3-fs: write access will be enabled during recovery.
[155492.374220] kjournald starting.  Commit interval 5 seconds
[155492.374390] EXT3-fs: recovery complete.
[155492.393933] EXT3-fs: mounted filesystem with ordered data mode.
Begin: Running /scripts/local-bottom ...
Done.
Done.
Begin: Running /scripts/init-bottom ...
Done.
[155492.726721] Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ 
sharing enabled
INIT: version 2.86 booting
* Mount point '/dev/shm' does not exist. Skipping mount.
Activating swap...[155493.323779] Adding 1048568k swap on /dev/hda2.  
Priority:-1 extents:1 across:1048568k
done.
Checking root file system...fsck 1.40-WIP (14-Nov-2006)
/dev/hda1: clean, 10879/2621440 files, 190639/5242880 blocks
done.
[155493.444805] EXT3 FS on hda1, internal journal
Setting the system clock..
[160462.553932] xenbus_dev_shutdown: device/console/0: Initialising != 
Connected, skipping
[160462.559269] System halted.
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