[CentOS-virt] common error

I am trying to install centos 5.4 on a centos 5.2 xen host. Technically this is rocks cluster and thats axillary software but the avalanch installer may be the hiccup

this is what shows up in the xen log

any suggestions

Watching /local/domain/13/logdirty/next-active xs_read(): vncpasswd get error. /vm/84384fb8-e6a6-3a84-8027-e79b841fdc7b/vncpasswd. char device redirected to /dev/pts/4 qemu_map_cache_init nr_buckets = 10000 shared page at pfn 1ffff buffered io page at pfn 1fffd xs_read(/vm/84384fb8-e6a6-3a84-8027-e79b841fdc7b/rtc/timeoffset): read error I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0 I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0 Triggered log-dirty buffer switch