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Need help with Xen on Fedora 7

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General Schvantzkoph

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Aug 9, 2007, 7:55:46 AM8/9/07
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I've just tried to install a 64 bit CentOS4.5 VM on Xen on 64 bit Fedora
7. The install completes and I get to the reboot screen and then nothing.
I can't start the new VM, Xen gives me the following,

virDomainCreate() failed POST operation failed: (xend.err 'Disk image
does not exist: ')

I've tried doing the install to a file and to a real partition, I get the
same result.

The system is a Core2 Duo with 8G of RAM.

I'm using kernel,
2.6.20-2925.13.fc7xen

Heiko L.

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Aug 10, 2007, 3:48:05 AM8/10/07
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In article <pan.2007.08...@yahoo.com>,

General Schvantzkoph <schvan...@yahoo.com> writes:
> I've just tried to install a 64 bit CentOS4.5 VM on Xen on 64 bit Fedora
> 7. The install completes and I get to the reboot screen and then nothing.
> I can't start the new VM, Xen gives me the following,
>
> virDomainCreate() failed POST operation failed: (xend.err 'Disk image
> does not exist: ')

check your config!

grep -v \# $vmconf
grep -v "^#" $vmconf

testing this script:
http://www2.fh-lausitz.de/launic/os-tips/xen/070411.xm_sh_tech

regards heiko

General Schvantzkoph

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Aug 10, 2007, 7:45:45 AM8/10/07
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On Fri, 10 Aug 2007 07:48:05 +0000, Heiko L. wrote:

> In article <pan.2007.08...@yahoo.com>,
> General Schvantzkoph <schvan...@yahoo.com> writes:
>> I've just tried to install a 64 bit CentOS4.5 VM on Xen on 64 bit
>> Fedora 7. The install completes and I get to the reboot screen and then
>> nothing. I can't start the new VM, Xen gives me the following,
>>
>> virDomainCreate() failed POST operation failed: (xend.err 'Disk image
>> does not exist: ')
>
> check your config!
>
> grep -v \# $vmconf
> grep -v "^#" $vmconf
>
> testing this script:
> http://www2.fh-lausitz.de/launic/os-tips/xen/070411.xm_sh_tech
>
> regards heiko

vmconf: Undefined variable.

What am I supposed to set this to?

Here is the output of your script,

xm dmesg ...
Xen version 3.1.0-rc7-2925.13.fc7 (kojibuilder@(none)) (gcc version
4.1.2 20070502 (Red Hat 4.1.2-12)) Tue Jul 17 10:35:17 EDT 2007
Latest ChangeSet: unavailable
(XEN) Command line: /boot/xen.gz-2.6.20-2925.13.fc7
(XEN) System RAM: 8190MB (8387064kB)
(XEN) Xen heap: 13MB (13992kB)
(XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 3000.097 MHz processor.
(XEN) HVM: VMX enabled
(XEN) VMX: MSR intercept bitmap enabled
(XEN) CPU0: Intel(R) Core(TM)2 CPU 6700 @ 2.66GHz stepping 06
(XEN) Mapping cpu 0 to node 255
(XEN) Booting processor 1/1 eip 90000
(XEN) Mapping cpu 1 to node 255
(XEN) CPU1: Intel(R) Core(TM)2 CPU 6700 @ 2.66GHz stepping 06
(XEN) Total of 2 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) Brought up 2 CPUs
(XEN) elf_parse_binary: phdr: paddr=0xffffffff80200000 memsz=0x320b18
(XEN) elf_parse_binary: phdr: paddr=0xffffffff80521000 memsz=0x73a84
(XEN) elf_parse_binary: phdr: paddr=0xffffffff80595000 memsz=0xc08
(XEN) elf_parse_binary: phdr: paddr=0xffffffff80596000 memsz=0xb3fc4
(XEN) elf_parse_binary: memory: 0xffffffff80200000 -> 0xffffffff80649fc4
(XEN) elf_xen_parse_note: GUEST_OS = "linux"
(XEN) elf_xen_parse_note: GUEST_VERSION = "2.6"
(XEN) elf_xen_parse_note: XEN_VERSION = "xen-3.0"
(XEN) elf_xen_parse_note: VIRT_BASE = 0xffffffff80000000
(XEN) elf_xen_parse_note: PADDR_OFFSET = 0xffffffff80000000
(XEN) elf_xen_parse_note: ENTRY = 0xffffffff80200000
(XEN) elf_xen_parse_note: HYPERCALL_PAGE = 0xffffffff80206000
(XEN) elf_xen_parse_note: FEATURES = "writable_page_tables|
writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|
supervisor_mode_kernel"
(XEN) elf_xen_parse_note: LOADER = "generic"
(XEN) Dom0 has maximum 2 VCPUs
(XEN) elf_load_binary: phdr 0 at 0xffffffff80200000 -> 0xffffffff80520b18
(XEN) elf_load_binary: phdr 1 at 0xffffffff80521000 -> 0xffffffff80594a84
(XEN) elf_load_binary: phdr 2 at 0xffffffff80595000 -> 0xffffffff80595c08
(XEN) elf_load_binary: phdr 3 at 0xffffffff80596000 -> 0xffffffff805ce788
(XEN) Initrd len 0x7dc800, start at 0xffffffff8064a000
(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).
show xm list ...
Name ID Mem VCPUs State Time
(s)
Domain-0 0 7517 2 r-----
13126.1
franklin 500 1
0.0
show xen0 version...
version : #1 SMP Tue Jul 17 10:38:19 EDT 2007
machine : x86_64
xen_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
xen_changeset : unavailable
cc_compiler : gcc version 4.1.2 20070502 (Red Hat 4.1.2-12)
show cpuinfo...
model name : Intel(R) Core(TM)2 CPU 6700 @ 2.66GHz
flags : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36
clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc
pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
found CPUs: 2
show env...
LANG=en_US.UTF-8 warning: LANG should be C
check config in /etc/xen ...
parse file xm-config-xenapi.xml
check image xenU: is xenU: 0, is kernel exist: 1, is bridge exist: 0
xm-config-xenapi.xml: notfound
ifconfig:
parse file xm-config.xml
check image xenU: is xenU: 0, is kernel exist: 1, is bridge exist: 0
xm-config.xml: notfound
ifconfig:

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