Manuel Bouyer wrote:
>> very much lines like this, a bit while booting, and very much while 
>> using the system (e.g. doing du -sh),
>> end_request: I/O error, dev sda1, sector 1236704
> 
> Are you sure you're not using sparse files for this domU ?

yes I'm using a file, but it's not sparse.  In the given example, it's a 
hard 1GB filesystem image, used by vnconfig.

node2# ls -lhF
total 1.1G
-rw-r--r--  1 root  wheel  296B Jun 18 16:27 fedora.conf
-rw-r--r--  1 root  wheel  1.0G Mar 26  2006 fedora.fc6.img
-rw-r--r--  1 root  wheel  202B Mar 13 01:50 fedora.fc6.xen2.cfg
-rw-r--r--  1 root  wheel  206B Mar 14 02:34 fedora.fc6.xen3.cfg
-rw-r--r--  1 root  wheel   64M Mar 15 02:53 fedora.swap
-rw-r--r--  1 root  wheel   70M Jun 18 15:30 modules.ext2
-rw-r--r--  1 root  wheel  1.4M Jun 18 15:30 vmlinuz
node2#

This one came from jailtime.org, but I did some SLES9sp3 on my own and 
had the same problem (also in a fixed size ext3 file, using 
e2fsprogs/mkfs.ext3 -F).

Thanks
Pierre-Philipp