Re: [Xen-users] XEN 4.0 boot error

[Konto usnetu <forall@xxxxxxxxxxxxx>]

2010/4/8 Pasi Kärkkäinen <pasik@xxxxxx>

On Wed, Apr 07, 2010 at 08:51:39PM +0100, Ian Tobin wrote:
>    Hey all,
>
>    Just downloaded the new Xen 4.0 and ran
>
>    Make xen
>    Make tools
>    Make stubdom
>
>    Copied the new files from dist/install
>    Im already running pv_ops 2.6.31.6 kernel.
>
>    When I boot i get
>
>    (XEN) Panic on CPU 0:
>    (XEN) IO-APIC +  timer doesn't work!
>
>    I have tried booting with noapic boot option but makes no difference.  The
>    system worked fine on 3.4.2
>
>    CPU is AMD.
>
>    Any ideas?
>

Well.. can you post a full serial console log of the boot process?

See here for help: http://wiki.xensource.com/xenwiki/XenParavirtOps

I have the same problem to boot xen 4.0 on debian lenny 5.0,  under I paste a some error:

41.017078]   Magic number: 6:876:244
[   41.061177] md: Waiting for all devices to be available before autodetect
[   41.142579] md: If you don't use raid, use raid=noautodetect
[   41.211225] md: Autodetecting RAID arrays.
[   41.260417] md: Scanned 0 and added 0 devices.
[   41.313729] md: autorun ...
[   41.347281] md: ... autorun DONE.
[   41.387150] Root-NFS: No NFS server available, giving up.
[   41.451921] VFS: Unable to mount root fs via NFS, trying floppy.
[   41.524664] VFS: Cannot open root device "sda1" or unknown-block(2,0)
[   41.601913] Please append a correct "root=" boot option; here are the available partitions:
[   41.702180] 0b00         1048575 sr0 driver: sr
[   41.756691] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
[   41.855912] Pid: 1, comm: swapper Not tainted 2.6.31.13 #2
[   41.921708] Call Trace:
[   41.951139]  [<c15e8386>] ? printk+0xf/0x11
[   42.001366]  [<c15e82ca>] panic+0x39/0xe6
[   42.049483]  [<c191ec2d>] mount_block_root+0x163/0x172
[   42.111158]  [<c1002930>] ? hypercall_page+0x930/0x1005
[   42.173838]  [<c191eca2>] mount_root+0x66/0x84
[   42.227178]  [<c191ee05>] prepare_namespace+0x145/0x16c
[   42.289857]  [<c191e34f>] kernel_init+0x16e/0x17d
[   42.346326]  [<c191e1e1>] ? kernel_init+0x0/0x17d
[   42.402764]  [<c1028d37>] kernel_thread_helper+0x7/0x10


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