Re: [Xen-users] Ubuntu: DomU hangs on boot

Well... If the Ubuntu repo does not provide a good Xen kernel, maybe I should build my own, too.

How would I go about doing this?

Do I still use the xen-tools from the repo, or do I need to compile those too?

How should I do this? Is there a how-to?

(Keep in mind I've never built a kernel before....)

Thank you...

----- Original Message ----
From: Emre Erenoglu <erenoglu@xxxxxxxxx>
To: C.J. Adams-Collier <cjcollier@xxxxxxxxx>
Cc: Allen Unrau <allen.unrau@xxxxxxx>; xen-users@xxxxxxxxxxxxxxxxxxx
Sent: Monday, November 26, 2007 8:38:32 PM
Subject: Re: [Xen-users] Ubuntu: DomU hangs on boot

Hi, I also have Ubuntu Gutsy 7.10 and having lots of problems with its xen version and 2.6.22-14-xen kernel, including HVM domains hanging at boot. I don't suggest it for use. Unfortunately, the Ubuntu development guys look so busy that they can't also close the bugs that I've submitted (at least an explanation) 1 month ago.

Br, Emre

On Nov 27, 2007 1:13 AM, C.J. Adams-Collier <cjcollier@xxxxxxxxx> wrote:

I'm using the pae hypervisor from gutsy. I built my own dom0 and domU
kernels, though

On Mon, 2007-11-26 at 15:28 -0700, Allen Unrau wrote:
> I managed to get Xen running with Ubuntu Gutsy dom0 and domU's BUT
> with many problems. In the end it was just too much hassle for my
> tastes, so I switched to Debian Etch.
>
>
>
>
> ______________________________________________________________________
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx ] On Behalf Of Allen
> Fowler
> Sent: Monday, November 26, 2007 3:45 PM
> To: Allen Fowler; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] Ubuntu: DomU hangs on boot
>
>
>
>
> *bump*
>
> Has anyone been able to get Xen working from the Ubuntu Gutsy repos?
>
> Or, am I just doing something wrong?
>
>
>
>
> ----- Original Message ----
> From: Allen Fowler <allen.fowler@xxxxxxxxx>
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Sent: Sunday, November 25, 2007 10:50:14 PM
> Subject: Re: [Xen-users] Ubuntu: DomU hangs on boot
>
>
> Mitch <mitchkelly@xxxxxxxxxxxxxx > wrote:
>
> It could be you ran out of ram, i see you only have 383, try reducing
> the xen to use 64 and see how that goes,
>
>
>
> Mitch,
>
> Hmm.. OK i tried allocating 64MB of ram, but the results are the same.
>
>
> Here is what xen list shows then:
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Name ID Mem VCPUs State
> Time(s)
> Domain-0 0 239 1 r-----
> 417.5
> xendomu 10 64 1 -b----
> 11.0
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
> Also be quick in going to xm console xenname it could be
> freezing on something when it boots
>
>
>
> I can see the backlog when I type xen console, I just can't type
> anything there. See log attached below in original message. (Is that
> what you meant?)
>
>
>
>
>
> ----- Original Message -----
>
>
> From: Allen Fowler
>
>
> To: Allen Fowler ; xen-users@xxxxxxxxxxxxxxxxxxx
>
>
> Sent: Monday, November 26, 2007 6:53 AM
>
>
> Subject: Re: [Xen-users] Ubuntu: DomU hangs on boot
>
>
>
>
>
> To clarify:
>
> After I issue the "xm create xen_domu_name" command,
> no errors are returned, and the "xm list" command
> shows something like this:
>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Name ID Mem
> VCPUs State Time(s)
> Domain-0 0 239
> 1 r----- 279.0
> xendomu 7 128
> 1 -b---- 27.5
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> However, I am unable to ssh into the VM, and typing
> anything at the "xm console" screen yields no
> response. (Though, the "xm console" does show the
> scroll back listed below.)
>
> Also, here is the output of "xm info":
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~
> host : server2
> release : 2.6.22-14-xen
> version : #1 SMP Mon Oct 15 00:35:38
> GMT 2007
> machine : i686
> nr_cpus : 1
> nr_nodes : 1
> sockets_per_node : 1
> cores_per_socket : 1
> threads_per_core : 1
> cpu_mhz : 996
> hw_caps :
> 0383f9ff:00000000:00000000:00000040
> total_memory : 383
> free_memory : 0
> xen_major : 3
> xen_minor : 1
> xen_extra : .0
> xen_caps : xen-3.0-x86_32p
> xen_scheduler : credit
> xen_pagesize : 4096
> platform_params : virt_start=0xf5800000
> xen_changeset : unavailable
> cc_compiler : gcc version 4.1.3 20070929
> (prerelease) (Ubuntu 4.1.2-16ubuntu2
> cc_compile_by : buildd
> cc_compile_domain : buildd
> cc_compile_date : Fri Oct 12 15:08:23 GMT 2007
> xend_config_format : 4
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Thank you again...
>
>
> Allen Fowler <allen.fowler@xxxxxxxxx> wrote:
>
> Hello,
>
> I followed the directions at:
> http://www.howtoforge.com/ubuntu-7.10-server-install-xen-from-ubuntu-repositories
>
> Dom0 boots fine.
>
> However, I can't seem to get any DomU to start.
>
> Any help would be appreciated.
>
> Thank you,
> Allen
>
> Various outputs attached below:
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> DomU config
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> #
> # Configuration file for the Xen instance xendomu,
> created
> # by xen-tools 3.5 on Fri Nov 23 15:19:59 2007.
> #
>
> #
> # Kernel + memory size
> #
> kernel = '/boot/vmlinuz-2.6.22-14-xen'
> ramdisk = '/boot/initrd.img- 2.6.22-14-xen'
> memory = '128'
>
> #
> # Disk device(s).
> #
> root = '/dev/hda1 ro'
> disk =
> [ 'file:/home/xen/domains/xendomu/disk.img,hda1,w',
> 'file:/home/xen/domains/xendomu/swap.img,hda2,w' ]
>
> #
> # Hostname
> #
> name = 'xendomu'
>
> #
> # Networking
> #
> vif = [ 'ip= 10.0.0.71' ]
>
> #
> # Behaviour
> #
>
> on_reboot = 'restart'
> on_crash = 'restart'
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> xm dmesg
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> [SNIP]
> (XEN) System RAM: 383MB (392572kB)
> (XEN) Xen heap: 10MB (10276kB)
> (XEN) Domain heap initialised: DMA width 32 bits
> (XEN) PAE enabled, limit: 16 GB
> (XEN) Local APIC disabled by BIOS -- you can enable it
> with "lapic"
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Detected 996.791 MHz processor.
> (XEN) CPU0: Intel Pentium III (Coppermine) stepping 0a
> (XEN) Mapping cpu 0 to node 255
> (XEN) Platform timer is 1.193MHz PIT
> (XEN) Brought up 1 CPUs
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN) Xen kernel: 32-bit, PAE, lsb
> (XEN) Dom0 kernel: 32-bit, PAE, lsb, paddr 0xc0100000
> -> 0xc04c0000
> (XEN) PHYSICAL MEMORY ARRANGEMENT:
> (XEN) Dom0 alloc.:
> 0000000014000000->0000000016000000 (80008 pages to be
> allocated)
> (XEN) VIRTUAL MEMORY ARRANGEMENT:
> (XEN) Loaded kernel: c0100000->c04c0000
> (XEN) Init. ramdisk: c04c0000->c145e800
> (XEN) Phys-Mach map: c145f000->c14b5220
> (XEN) Start info: c14b6000->c14b646c
> (XEN) Page tables: c14b7000->c14c8000
> (XEN) Boot stack: c14c8000->c14c9000
> (XEN) TOTAL: c0000000->c1800000
> (XEN) ENTRY ADDRESS: c0100000
> (XEN) Dom0 has maximum 1 VCPUs
> (XEN) Initrd len 0xf9e800, start at 0xc04c0000
> (XEN) Scrubbing Free RAM: done.
> (XEN) Xen trace buffers: disabled
> (XEN) Std. Loglevel: Errors and warnings
> (XEN) Guest Loglevel: Nothing (Rate-limited: Errors
> and warnings)
> (XEN) Xen is relinquishing VGA console.
> (XEN) *** Serial input -> DOM0 (type \047CTRL-a\047
> three times to switch input to Xen).
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> xm console xendomu
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> [15785.652879] xen_mem: Initialising balloon driver.
> [15785.660761] Setting mem allocation to 131072 kiB
> [15785.661268] PCI: System does not support PCI
> [15785.661371] PCI: System does not support PCI
> [15785.661489] NET: Registered protocol family 8
> [15785.661541] NET: Registered protocol family 20
> [15785.662582] NET: Registered protocol family 2
> [15785.662767] Time: xen clocksource has been
> installed.
> [15785.704611] IP route cache hash table entries: 2048
> (order: 1, 8192 bytes)
> [15785.704753] TCP established hash table entries:
> 8192 (order: 4, 98304 bytes)
> [15785.705029] TCP bind hash table entries: 8192
> (order: 4, 65536 bytes)
> [15785.705237] TCP: Hash tables configured
> (established 8192 bind 8192)
> [15785.705252] TCP reno registered
> [15785.734838] checking if image is initramfs... it is
> [15785.973231] Freeing initrd memory: 15996k freed
> [15785.974312] audit: initializing netlink socket
> (disabled)
> [15785.974572] audit(1196015716.968:1): initialized
> [15785.980115] VFS: Disk quotas dquot_6.5.1
> [15785.980729] Dquot-cache hash table entries: 1024
> (order 0, 4096 bytes)
> [15785.981277] io scheduler noop registered
> [15785.981404] io scheduler anticipatory registered
> [15785.981455 ] io scheduler deadline registered
> [15785.981569] io scheduler cfq registered (default)
> [15786.075774] Real Time Clock Driver v1.12ac
> [15786.077525] RAMDISK driver initialized: 16 RAM
> disks of 65536K size 1024 blocksize
> [15786.078314] input: Macintosh mouse button emulation
> as /class/input/input0
> [15786.078818 ] xencons_init: Initializing xen vfb;
> pass xencons=tty to prevent this
> [15786.079520] Xen virtual console successfully
> installed as xvc0
> [ 15786.079866] Event-channel device installed.
> [15786.147564] netfront: Initialising virtual ethernet
> driver.
> [15786.149571] PNP: No PS/2 controller found. Probing
> ports directly.
> [15786.150636] i8042.c: No controller found.
> [15786.150879] mice: PS/2 mouse device common for all
> mice
> [ 15786.151222] TCP cubic registered
> [15786.151276] NET: Registered protocol family 1
> [15786.151350] Using IPI No-Shortcut mode
> [15786.152801] xen-vbd: registered block device major
> 3
> [15786.152855] blkfront: hda1: barriers enabled
> [15786.155045] blkfront: hda2: barriers enabled
> [15786.163005] netfront: device eth0 has copying
> receive path.
> [15786.244504] XENBUS: Device with no driver:
> device/console/0
> [15786.244975] Freeing unused kernel memory: 200k
> freed
> [15786.839976] AppArmor: AppArmor
> initialized<5>audit(1196015717.836:2): type=1505
> info="AppArmor initialized" pid=992
> [15786.864141] fuse init (API version 7.8)
> [15786.887322] Failure registering capabilities with
> primary security module.
> [15786.986664 ] thermal: Unknown symbol
> acpi_processor_set_thermal_limit
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
>
>
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Emre Erenoglu
erenoglu@xxxxxxxxx

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Re: [Xen-users] Ubuntu: DomU hangs on boot