Tomasz Chmielewski schrieb:
Mark Williamson schrieb:
I compiled a 2.6.23 kernel with domU support, but the following error
shows up when I try to boot it on a Xen-3.1.0:
Error: (2, 'Invalid kernel', 'xc_dom_find_loader: no loader found\n')
Yep, same here.
Is there a fine manual somewhere on how to boot a 2.6.23 domU with Xen
3.1.x?
Good to see that people are trying out the new Xen support in mainline!
To boot under Xen you need to use a vmlinux / vmlinuz image. Were you
guys perhaps trying to use the bzImage? That won't work (yet).
The vmlinux that's in the root of your kernel build tree ought to
work. I stripped and gziped mine to get a much, much smaller vmlinuz
file and used it to boot a Xen domain for the first time last night -
worked fine.
I tried vmlinux, but also, it didn't work.
It hanged at:
# xm create -c somedomain
Using config file "/etc/xen/somedomain".
Started domain somedomain
And it seems to wait there forever.
Here are some logs - all that on a 3.1 dom0 running 2.6.18 kernel:
# cat domain-builder-ng.log
xc_dom_allocate: cmdline="root=/dev/sda5 ro 3", features=""
xc_dom_kernel_file: filename="/boot/vmlinux"
xc_dom_malloc_filemap : 3287 kB
xc_dom_boot_xen_init: ver 3.1, caps xen-3.0-x86_32p
xc_dom_parse_image: called
xc_dom_find_loader: trying ELF-generic loader ... OK
elf_parse_binary: phdr: paddr=0x100000 memsz=0x1e6064
elf_parse_binary: phdr: paddr=0x2e7000 memsz=0x78000
elf_parse_binary: memory: 0x100000 -> 0x35f000
elf_xen_parse_note: GUEST_OS = "linux"
elf_xen_parse_note: GUEST_VERSION = "2.6"
elf_xen_parse_note: XEN_VERSION = "xen-3.0"
elf_xen_parse_note: VIRT_BASE = 0xc0000000
elf_xen_parse_note: ENTRY = 0xc030c268
elf_xen_parse_note: HYPERCALL_PAGE = 0xc033e000
elf_xen_parse_note: FEATURES = "!writable_page_tables|pae_pgdir_above_4gb"
elf_xen_parse_note: PAE_MODE = "yes"
elf_xen_parse_note: LOADER = "generic"
elf_xen_addr_calc_check: ELF_PADDR_OFFSET unset, using 0x0
elf_xen_addr_calc_check: addresses:
virt_base = 0xc0000000
elf_paddr_offset = 0x0
virt_offset = 0xc0000000
virt_kstart = 0xc0100000
virt_kend = 0xc035f000
virt_entry = 0xc030c268
xc_dom_parse_elf_kernel: xen-3.0-x86_32p: 0xc0100000 -> 0xc035f000
xc_dom_mem_init: mem 192 MB, pages 0xc000 pages, 4k each
xc_dom_mem_init: 0xc000 pages
xc_dom_boot_mem_init: called
x86_compat: guest xen-3.0-x86_32p, address size 32
xc_dom_malloc : 192 kB
xc_dom_build_image: called
xc_dom_alloc_segment: kernel : 0xc0100000 -> 0xc035f000 (pfn
0x100 + 0x25f pages)
xc_dom_pfn_to_ptr: domU mapping: pfn 0x100+0x25f at 0xb1ce7000
elf_load_binary: phdr 0 at 0x0xb1ce7000 -> 0x0xb1ecd064
elf_load_binary: phdr 1 at 0x0xb1ece000 -> 0x0xb1f21086
xc_dom_alloc_segment: phys2mach : 0xc035f000 -> 0xc038f000 (pfn
0x35f + 0x30 pages)
xc_dom_pfn_to_ptr: domU mapping: pfn 0x35f+0x30 at 0xb1cb7000
xc_dom_alloc_page : start info : 0xc038f000 (pfn 0x38f)
xc_dom_alloc_page : xenstore : 0xc0390000 (pfn 0x390)
xc_dom_alloc_page : console : 0xc0391000 (pfn 0x391)
nr_page_tables: 0x00000000ffffffff/32: 0x0000000000000000 ->
0xffffffffffffffff, 1 table(s)
nr_page_tables: 0x000000003fffffff/30: 0x00000000c0000000 ->
0x00000000ffffffff, 1 table(s)
nr_page_tables: 0x00000000001fffff/21: 0x00000000c0000000 ->
0x00000000c07fffff, 4 table(s)
xc_dom_alloc_segment: page tables : 0xc0392000 -> 0xc0398000 (pfn
0x392 + 0x6 pages)
xc_dom_pfn_to_ptr: domU mapping: pfn 0x392+0x6 at 0xb1cb1000
xc_dom_alloc_page : boot stack : 0xc0398000 (pfn 0x398)
xc_dom_build_image : virt_alloc_end : 0xc0399000
xc_dom_build_image : virt_pgtab_end : 0xc0800000
xc_dom_boot_image: called
arch_setup_bootearly: doing nothing
xc_dom_compat_check: supported guest type: xen-3.0-x86_32p <= matches
xc_dom_update_guest_p2m: dst 32bit, pages 0xc000
clear_page: pfn 0x391, mfn 0x49de6
clear_page: pfn 0x390, mfn 0x49de7
xc_dom_pfn_to_ptr: domU mapping: pfn 0x38f+0x1 at 0xb1cb0000
start_info_x86_32: called
setup_hypercall_page: vaddr=0xc033e000 pfn=0x33e
domain builder memory footprint
allocated
malloc : 209 kB
anon mmap : 0 bytes
mapped
file mmap : 3287 kB
domU mmap : 2648 kB
arch_setup_bootlate: shared_info: pfn 0x0, mfn 0xbcc
shared_info_x86_32: called
vcpu_x86_32: called
vcpu_x86_32: cr3: pfn 0x392 mfn 0x49de5
launch_vm: called, ctxt=0x82705d4
xc_dom_release: called
# cat xend.log
[2007-10-11 17:00:42 3682] DEBUG (XendDomainInfo:78)
XendDomainInfo.create(['vm', ['name', 'imap1'], ['memory', 192],
['vcpus', 1], ['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'],
['image', ['linux', ['kernel', '/boot/vmlinux'], ['root', '/dev/sda5
ro'], ['args', '3']]], ['device', ['vbd', ['uname',
'phy:/dev/iscsi/iqn.2006-09.net.syneticon:san1.imap1/part'], ['dev',
'sda5'], ['mode', 'w']]], ['device', ['vif', ['ip', '192.168.113.5'],
['mac', '00:16:3E:2D:49:51'], ['bridge', 'xenbr113']]], ['device',
['vif', ['ip', '87.79.32.169'], ['mac', '00:16:3E:23:50:74'], ['bridge',
'xenbr511']]]])
[2007-10-11 17:00:42 3682] DEBUG (XendDomainInfo:1414)
XendDomainInfo.constructDomain
[2007-10-11 17:00:42 3682] DEBUG (balloon:113) Balloon: 808380 KiB free;
need 2048; done.
[2007-10-11 17:00:42 3682] DEBUG (XendDomain:434) Adding Domain: 17
[2007-10-11 17:00:42 3682] DEBUG (XendDomainInfo:1468)
XendDomainInfo.initDomain: 17 256
[2007-10-11 17:00:42 3682] DEBUG (XendDomainInfo:1500)
_initDomain:shadow_memory=0x0, memory_static_max=0xc000000,
memory_static_min=0x0.
[2007-10-11 17:00:42 3682] DEBUG (balloon:113) Balloon: 808380 KiB free;
need 196608; done.
[2007-10-11 17:00:42 3682] INFO (image:129) buildDomain os=linux dom=17
vcpus=1
[2007-10-11 17:00:42 3682] DEBUG (image:198) domid = 17
[2007-10-11 17:00:43 3682] DEBUG (image:199) memsize = 192
[2007-10-11 17:00:43 3682] DEBUG (image:200) image = /boot/vmlinux
[2007-10-11 17:00:43 3682] DEBUG (image:201) store_evtchn = 1
[2007-10-11 17:00:43 3682] DEBUG (image:202) console_evtchn = 2
[2007-10-11 17:00:43 3682] DEBUG (image:203) cmdline =
root=/dev/sda5 ro 3
[2007-10-11 17:00:43 3682] DEBUG (image:204) ramdisk =
[2007-10-11 17:00:43 3682] DEBUG (image:205) vcpus = 1
[2007-10-11 17:00:43 3682] DEBUG (image:206) features =
[2007-10-11 17:00:43 3682] INFO (XendDomainInfo:1316) createDevice: vbd
: {'uuid': 'efe192d4-8ba2-95ed-de8b-3b2066def1c2', 'bootable': 1,
'driver': 'paravirtualised', 'dev': 'sda5', 'uname':
'phy:/dev/iscsi/iqn.2006-09.net.syneticon:san1.imap1/part', 'mode': 'w'}
[2007-10-11 17:00:43 3682] DEBUG (DevController:115) DevController:
writing {'backend-id': '0', 'virtual-device': '2053', 'device-type':
'disk', 'state': '1', 'backend': '/local/domain/0/backend/vbd/17/2053'}
to /local/domain/17/device/vbd/2053.
[2007-10-11 17:00:43 3682] DEBUG (DevController:117) DevController:
writing {'domain': 'imap1', 'frontend':
'/local/domain/17/device/vbd/2053', 'uuid':
'efe192d4-8ba2-95ed-de8b-3b2066def1c2', 'dev': 'sda5', 'state': '1',
'params': '/dev/iscsi/iqn.2006-09.net.syneticon:san1.imap1/part',
'mode': 'w', 'online': '1', 'frontend-id': '17', 'type': 'phy'} to
/local/domain/0/backend/vbd/17/2053.
[2007-10-11 17:00:43 3682] INFO (XendDomainInfo:1316) createDevice: vif
: {'ip': '192.168.113.5', 'mac': '00:16:3E:2D:49:51', 'uuid':
'f4777093-485e-ddf6-b454-e2ac7f8b4ce0', 'bridge': 'xenbr113'}
[2007-10-11 17:00:43 3682] DEBUG (DevController:115) DevController:
writing {'backend-id': '0', 'mac': '00:16:3E:2D:49:51', 'handle': '0',
'state': '1', 'backend': '/local/domain/0/backend/vif/17/0'} to
/local/domain/17/device/vif/0.
[2007-10-11 17:00:43 3682] DEBUG (DevController:117) DevController:
writing {'bridge': 'xenbr113', 'domain': 'imap1', 'handle': '0', 'uuid':
'f4777093-485e-ddf6-b454-e2ac7f8b4ce0', 'script':
'/etc/xen/scripts/vif-bridge', 'ip': '192.168.113.5', 'state': '1',
'frontend': '/local/domain/17/device/vif/0', 'mac': '00:16:3E:2D:49:51',
'online': '1', 'frontend-id': '17', 'type': 'netfront'} to
/local/domain/0/backend/vif/17/0.
[2007-10-11 17:00:43 3682] INFO (XendDomainInfo:1316) createDevice: vif
: {'ip': '87.79.32.169', 'mac': '00:16:3E:23:50:74', 'uuid':
'78b1deb1-9e59-a2a7-a310-7c34d7937903', 'bridge': 'xenbr511'}
[2007-10-11 17:00:43 3682] DEBUG (DevController:115) DevController:
writing {'backend-id': '0', 'mac': '00:16:3E:23:50:74', 'handle': '1',
'state': '1', 'backend': '/local/domain/0/backend/vif/17/1'} to
/local/domain/17/device/vif/1.
[2007-10-11 17:00:43 3682] DEBUG (DevController:117) DevController:
writing {'bridge': 'xenbr511', 'domain': 'imap1', 'handle': '1', 'uuid':
'78b1deb1-9e59-a2a7-a310-7c34d7937903', 'script':
'/etc/xen/scripts/vif-bridge', 'ip': '87.79.32.169', 'state': '1',
'frontend': '/local/domain/17/device/vif/1', 'mac': '00:16:3E:23:50:74',
'online': '1', 'frontend-id': '17', 'type': 'netfront'} to
/local/domain/0/backend/vif/17/1.
[2007-10-11 17:00:43 3682] DEBUG (XendDomainInfo:1973) Storing VM
details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid':
'6f8783d1-5e57-e2f6-a7db-807fb73c4a99', 'on_reboot': 'restart',
'start_time': '1192114843.62', 'on_poweroff': 'destroy',
'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count':
'0', 'vcpus': '1', 'vcpu_avail': '1', 'image': "(linux (kernel
/boot/vmlinux) (args 'root=/dev/sda5 ro 3') (notes (FEATURES
'!writable_page_tables|pae_pgdir_above_4gb') (VIRT_BASE 3221225472)
(GUEST_VERSION 2.6) (GUEST_OS linux) (HYPERCALL_PAGE 3224625152) (LOADER
generic) (PAE_MODE yes) (ENTRY 3224420968) (XEN_VERSION xen-3.0)))",
'name': 'imap1'}
[2007-10-11 17:00:43 3682] DEBUG (XendDomainInfo:824) Storing domain
details: {'console/ring-ref': '302566', 'image/entry': '3224420968',
'image/pae-mode': 'yes', 'console/port': '2', 'name': 'imap1',
'console/limit': '1048576', 'image/loader': 'generic',
'image/virt-base': '3221225472', 'image/guest-os': 'linux', 'vm':
'/vm/6f8783d1-5e57-e2f6-a7db-807fb73c4a99', 'domid': '17', 'store/port':
'1', 'image/hypercall-page': '3224625152', 'memory/target': '196608',
'image/features/pae-pgdir-above-4gb': '1',
'control/platform-feature-multiprocessor-suspend': '1',
'image/features/writable-page-tables': '0', 'store/ring-ref': '302567',
'image/guest-version': '2.6', 'cpu/0/availability': 'online',
'image/xen-version': 'xen-3.0'}
[2007-10-11 17:00:44 3682] DEBUG (DevController:115) DevController:
writing {'state': '1', 'backend-id': '0', 'backend':
'/local/domain/0/backend/console/17/0'} to
/local/domain/17/device/console/0.
[2007-10-11 17:00:44 3682] DEBUG (DevController:117) DevController:
writing {'domain': 'imap1', 'protocol': 'vt100', 'uuid':
'2b20f8f3-335a-e93c-2dd9-f41028ae22e1', 'frontend':
'/local/domain/17/device/console/0', 'state': '1', 'location': '2',
'online': '1', 'frontend-id': '17'} to /local/domain/0/backend/console/17/0.
[2007-10-11 17:00:44 3682] DEBUG (XendDomainInfo:824) Storing domain
details: {'console/ring-ref': '302566', 'image/entry': '3224420968',
'image/pae-mode': 'yes', 'console/port': '2', 'name': 'imap1',
'console/limit': '1048576', 'image/loader': 'generic',
'image/virt-base': '3221225472', 'image/guest-os': 'linux', 'vm':
'/vm/6f8783d1-5e57-e2f6-a7db-807fb73c4a99', 'domid': '17', 'store/port':
'1', 'image/hypercall-page': '3224625152', 'memory/target': '196608',
'image/features/pae-pgdir-above-4gb': '1',
'control/platform-feature-multiprocessor-suspend': '1',
'image/features/writable-page-tables': '0', 'store/ring-ref': '302567',
'image/guest-version': '2.6', 'cpu/0/availability': 'online',
'image/xen-version': 'xen-3.0'}
[2007-10-11 17:00:44 3682] DEBUG (XendDomainInfo:908)
XendDomainInfo.handleShutdownWatch
[2007-10-11 17:00:44 3682] DEBUG (DevController:148) Waiting for devices
vif.
[2007-10-11 17:00:44 3682] DEBUG (DevController:153) Waiting for 0.
[2007-10-11 17:00:44 3682] DEBUG (DevController:539)
hotplugStatusCallback /local/domain/0/backend/vif/17/0/hotplug-status.
[2007-10-11 17:00:44 3682] DEBUG (DevController:553)
hotplugStatusCallback 1.
[2007-10-11 17:00:44 3682] DEBUG (DevController:153) Waiting for 1.
[2007-10-11 17:00:44 3682] DEBUG (DevController:539)
hotplugStatusCallback /local/domain/0/backend/vif/17/1/hotplug-status.
[2007-10-11 17:00:44 3682] DEBUG (DevController:553)
hotplugStatusCallback 1.
[2007-10-11 17:00:44 3682] DEBUG (DevController:148) Waiting for devices
usb.
[2007-10-11 17:00:44 3682] DEBUG (DevController:148) Waiting for devices
vbd.
[2007-10-11 17:00:44 3682] DEBUG (DevController:153) Waiting for 2053.
[2007-10-11 17:00:44 3682] DEBUG (DevController:539)
hotplugStatusCallback /local/domain/0/backend/vbd/17/2053/hotplug-status.
[2007-10-11 17:00:45 3682] DEBUG (DevController:553)
hotplugStatusCallback 1.
[2007-10-11 17:00:45 3682] DEBUG (DevController:148) Waiting for devices
irq.
[2007-10-11 17:00:45 3682] DEBUG (DevController:148) Waiting for devices
vkbd.
[2007-10-11 17:00:45 3682] DEBUG (DevController:148) Waiting for devices
vfb.
[2007-10-11 17:00:45 3682] DEBUG (DevController:148) Waiting for devices
console.
[2007-10-11 17:00:45 3682] DEBUG (DevController:153) Waiting for 0.
[2007-10-11 17:00:45 3682] DEBUG (DevController:148) Waiting for devices
pci.
[2007-10-11 17:00:45 3682] DEBUG (DevController:148) Waiting for devices
ioports.
[2007-10-11 17:00:45 3682] DEBUG (DevController:148) Waiting for devices
tap.
[2007-10-11 17:00:45 3682] DEBUG (DevController:148) Waiting for devices
vtpm.
[2007-10-11 17:00:45 3682] INFO (XendDomain:1108) Domain imap1 (17)
unpaused.
--
Tomasz Chmielewski
http://wpkg.org
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