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[Xen-users] domU construcion fails

  • To: xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Marco Strullato" <marco.strullato@xxxxxxxxx>
  • Date: Fri, 2 May 2008 15:06:18 +0200
  • Delivery-date: Fri, 02 May 2008 06:07:05 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi all,
I got this error starting a domU

Started domain <servername>
                                  xen_start_info @ffffffff80837000
shared @m00befea000 @ffffffff80107000=@ffffffffff5fd000 [0x802]
xen_start_info: @ffffffff80837000
 cr3 0000000000101000 pml4p ffffffff80101ff8
 pml4e 0000000000103067 (real 00000004ea4f4067) pgdp ffffff8000103ff0
 pgde 0000000000105067 (real 00000004e6dca067) pmdp ffffff8000105020
 pmde 0000000000841067 (real 00000004e0dc6067) ptep ffffff80008411b8
 pte 0010000000837027 (real 0010000509c18027)
xen_shared_info: @ffffffffff5fd000
 cr3 0000000000101000 pml4p ffffffff80101ff8
 pml4e 0000000000103067 (real 00000004ea4f4067) pgdp ffffff8000103ff8
 pgde 0000000000000000 is none
PAGE_OFFSET+1.2: @ffffff8000001000
 cr3 0000000000101000 pml4p ffffffff80101ff8
 pml4e 0000000000103067 (real 00000004ea4f4067) pgdp ffffff8000103000
 pgde 0000000000844067 (real 00000004e0dc3067) pmdp ffffff8000844000
 pmde 0000000000845067 (real 00000004e0dc2067) ptep ffffff8000845008
 pte 0000000000001167 (real 000000055ed2c167)
rtc: IRQ 8 is not free.
i8042.c: No controller found.
Kernel panic - not syncing: Attempted to kill init!

What I did was install the kernel-domU kernel into a real server,
clone it with dd and boot it with this config file:
name = "<servername>"
maxmem = "2048"
disk = [ 'phy:/dev/HYP11VM/DISK,sda,w', ]
vif = ['bridge=xenbr0','bridge=xenbr1' ]
vfb = ["type=vnc,vncunused=1"]
on_reboot   = 'restart'
on_crash    = 'restart'

My env is:
dom0-> xen 3.2 on 64 bits dom0
<servername> -> 64 bit server with kernel-xenU-2.6.9-67.0.7.EL

the xen logs say:
xc_dom_boot_xen_init: ver 3.2, caps xen-3.0-x86_64 xen-3.0-x86_32p
hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xc_dom_parse_image: called
xc_dom_find_loader: trying ELF-generic loader ... failed
xc_dom_find_loader: trying multiboot-binary loader ... failed
xc_dom_core.c:499: panic: xc_dom_find_loader: no loader found

[2008-05-02 14:58:21 8653] ERROR (XendDomainInfo:111) Domain construction failed
Traceback (most recent call last):
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
line 109, in create_from_dict
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
line 420, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendTask.py", line
209, in log_progress
    retval = func(*args, **kwds)
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
line 1769, in _initDomain
    raise VmError(str(exn))
VmError: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found\n')

What do you suggest?



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