This bug seems to be related to bug
https://bugs.launchpad.net/ubuntu/+source/ov51x-jpeg/+bug/262853
and it also seems it was solved for Karmic
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/492744
but now it's back for Lucid (kernels 2.6.32-21 and -22).
This bug seems to be related to bug
https:/ /bugs.launchpad .net/ubuntu/ +source/ ov51x-jpeg/ +bug/262853
and it also seems it was solved for Karmic
https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/492744
but now it's back for Lucid (kernels 2.6.32-21 and -22).