anyone can help-me ?
   
  I am using fedora devel (6.92)
   
   
  [2007-04-30 09:26:30 xend 5126] WARNING 
  (XendAuthSessions:27) python-pam is required for XenAPI 
  support.
[2007-04-30 09:26:30 xend 5143] INFO (SrvDaemon:322) Xend Daemon 
  started
[2007-04-30 09:26:30 xend 5143] INFO (SrvDaemon:326) Xend 
  changeset: Sun Apr 29 09:39:33 2007 +0100 14993:bf96999a2ffd.
[2007-04-30 
  09:26:30 xend 5143] INFO (SrvDaemon:333) Xend version: Unknown.
[2007-04-30 
  09:26:31 xend.XendDomainInfo 5143] DEBUG (XendDomainInfo:121) 
  XendDomainInfo.recreate({'max_vcpu_id': 0, 'cpu_time': 2992415071427L, 
  'ssidref': 0, 'hvm': 0, 'shutdown_reason': 0, 'dying': 0, 'online_vcpus': 1, 
  'domid': 0, 'paused': 0, 'crashed': 0, 'running': 1, 'maxmem_kb': -4, 
  'shutdown': 0, 'mem_kb': 262144, 'handle': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
  0, 0, 0, 0, 0], 'blocked': 0, 'name': 'Domain-0'})
[2007-04-30 09:26:31 
  xend.XendDomainInfo 5143] INFO (XendDomainInfo:136) Recreating domain 0, UUID 
  00000000-0000-0000-0000-000000000000. at /local/domain/0
[2007-04-30 
  09:26:31 xend 5143] DEBUG (XendDomain:428) Adding Domain: 0
[2007-04-30 
  09:26:31 xend 5143] DEBUG (XendDomain:372) number of vcpus to use is 
  0
[2007-04-30 09:26:31 xend.XendDomainInfo 5143] DEBUG (XendDomainInfo:798) 
  XendDomainInfo.handleShutdownWatch
[2007-04-30 09:26:31 xend 5143] INFO 
  (XMLRPCServer:121) Opening Unix domain socket XML-RPC server on 
  /var/run/xend/xen-api.sock.
[2007-04-30 09:26:31 xend 5143] INFO 
  (XMLRPCServer:121) Opening Unix domain socket XML-RPC server on 
  /var/run/xend/xmlrpc.sock.
[2007-04-30 09:26:32 xend 5159] WARNING 
  (XendAuthSessions:27) python-pam is required for XenAPI 
  support.
[2007-04-30 09:27:00 xend.XendDomainInfo 5143] DEBUG 
  (XendDomainInfo:94) XendDomainInfo.create(['vm', ['name', 'ispbrasil'], 
  ['memory', 256], ['on_poweroff', 'restart'], ['on_reboot', 'restart'], 
  ['on_crash', 'restart'], ['vcpus', 1], ['on_xend_start', 'ignore'], 
  ['on_xend_stop', 'ignore'], ['image', ['linux', ['kernel', 
  '/boot/Kernel-xenU'], ['ramdisk', '/boot/initrd-ext3-xenU'], ['root', 
  '/dev/hda1'], ['args', 'ro selinux=0 3']]], ['device', ['vbd', ['uname', 
  'phy:/dev/disco2/vps1_root_reiser'], ['dev', 'hda1'], ['mode', 'w']]], 
  ['device', ['vbd', ['uname', 'phy:/dev/disco2/vps1_swap'], ['dev', 'hda2'], 
  ['mode', 'w']]], ['device', ['vif']]])
[2007-04-30 09:27:00 xend.XendConfig 
  5143] WARNING (XendConfig:607) Unconverted key: cpus
[2007-04-30 09:27:00 
  xend.XendDomainInfo 5143] DEBUG (XendDomainInfo:1284) 
  XendDomainInfo.constructDomain
[2007-04-30 09:27:00 xend.XendDomainInfo 
  5143] DEBUG (XendDomainInfo:1330) XendDomainInfo.initDomain: 8 
  256
[2007-04-30 09:27:00 xend 5143] DEBUG (balloon:133) Balloon: 0 KiB 
  free; 0 to scrub; need 262144; retries: 20.
[2007-04-30 09:27:21 
  xend.XendDomainInfo 5143] ERROR (XendDomainInfo:397) VM start 
  failed
Traceback (most recent call last):
  File 
  "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 385, in 
  start
    self._initDomain()
  File 
  "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 1375, in 
  _initDomain
    balloon.free(memory + shadow)
  File 
  "/usr/lib/python2.5/site-packages/xen/xend/balloon.py", line 170, in 
  free
    free_mem + scrub_mem + dom0_alloc - 
  dom0_min_mem))
VmError: I need 262144 KiB, but dom0_min_mem is 200704 and 
  shrinking to 200704 KiB would leave only 61440 KiB free.
[2007-04-30 
  09:27:21 xend.XendDomainInfo 5143] DEBUG (XendDomainInfo:1483) 
  XendDomainInfo.destroy: domid=8
[2007-04-30 09:27:21 xend.XendDomainInfo 
  5143] DEBUG (XendDomainInfo:1491) 
  XendDomainInfo.destroyDomain(8)
[2007-04-30 09:27:21 xend.XendDomainInfo 
  5143] ERROR (XendDomainInfo:99) Domain construction failed
Traceback (most 
  recent call last):
  File 
  "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 97, in 
  create
    vm.start()
  File 
  "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 385, in 
  start
    self._initDomain()
  File 
  "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line 1375, in 
  _initDomain
    balloon.free(memory + shadow)
  File 
  "/usr/lib/python2.5/site-packages/xen/xend/balloon.py", line 170, in 
  free
    free_mem + scrub_mem + dom0_alloc - 
  dom0_min_mem))
VmError: I need 262144 KiB, but dom0_min_mem is 200704 and 
  shrinking to 200704 KiB would leave only 61440 KiB free.
[2007-04-30 
  09:27:21 xend.XendDomainInfo 5143] DEBUG (XendDomainInfo:1483) 
  XendDomainInfo.destroy: domid=None
[2007-04-30 09:27:21 xend.XendDomainInfo 
  5143] DEBUG (XendDomainInfo:1491) 
  XendDomainInfo.destroyDomain(None)
   
   
  --------------------
   
  Itamar Reis Peixoto