Dom0 = centos 5 (32bit), 4GB Ram DomU = centos 5 (PV) (32bit) xen 3.1.2 rc1, compiled using XEN_TARGET_X86_PAE=Y kernel 2.6.18, modified to load areca card drivers initrd image created using the following command mkinitrd -v -f --with=aacraid --with=arcmsr --with=sd_mod --with=scsi_mod initrd-2.6.18-xen.img 2.6.18-xen When i issue xm create for a domU which was working earlier i get the following error xm create ldap Using config file "./ldap". Error: (9, 'Bad file descriptor') Log snippet when the error appears [2007-11-01 01:01:09 4605] ERROR (xmlrpclib2:178) Internal error handling xend.domain.create Traceback (most recent call last): File "/home/xen/xen-3.1-testing.hg/dist/install/usr/lib/python/xen/util/xmlrpclib2.py", line 131, in _marshaled_dispatch response = self._dispatch(method, params) File "/usr/lib/python2.4/SimpleXMLRPCServer.py", line 406, in _dispatch return func(*params) File "/home/xen/xen-3.1-testing.hg/dist/install/usr/lib/python/xen/xend/server/XMLRPCServer.py", line 72, in domain_create info = XendDomain.instance().domain_create(config) File "/home/xen/xen-3.1-testing.hg/dist/install/usr/lib/python/xen/xend/XendDomain.py", line 918, in domain_create self._refresh() File "/home/xen/xen- 3.1-testing.hg/dist/install/usr/lib/python/xen/xend/XendDomain.py", line 402, in _refresh self.domains[domid].update(dom, refresh_shutdown) File "/home/xen/xen-3.1-testing.hg/dist/install/usr/lib/python/xen/xend/XendDomainInfo.py", line 2198, in update self._update_consoles() File "/home/xen/xen-3.1-testing.hg/dist/install/usr/lib/python/xen/xend/XendDomainInfo.py", line 792, in _update_consoles self.console_port = self.readDom('console/port') File "/home/xen/xen-3.1-testing.hg/dist/install/usr/lib/python/xen/xend/XendDomainInfo.py", line 845, in readDom return xstransact.Read(self.dompath, *args) File "/home/xen/xen-3.1-testing.hg /dist/install/usr/lib/python/xen/xend/xenstore/xstransact.py", line 298, in Read return complete(path, lambda t: t.read(*args)) File "/home/xen/xen-3.1-testing.hg/dist/install/usr/lib/python/xen/xend/xenstore/xstransact.py", line 352, in complete t = xstransact(path) File "/home/xen/xen-3.1-testing.hg/dist/install/usr/lib/python/xen/xend/xenstore/xstransact.py", line 21, in __init__ self.transaction = xshandle().transaction_start() Error: (9, 'Bad file descriptor') Config file kernel = "/boot/vmlinuz-2.6.18-xen" ramdisk = "/boot/initrd-2.6.18-xen.img" name = "ldap" memory = "1024" disk = [ 'phy:/dev/VolGroup00/ldap,sda1,w'] root = "/dev/sda1 ro" vif = [ 'mac=00:16:3e:12:34:a8, bridge=xenbr0', ] uuid = "bee5f62b-7193-a454-e37e-a151a5be8f45" vcpus=7 The above domU was booting up properly so i am guessing its an issue with the way i have setup xen. -- regards, Anand Gupta