I am having the same problem on i386 - using 2.6.17-10.33 (linux- image-2.6.17-10-generic) & using the same webcam. This appeared after I upgraded to Edgy from Dapper last night.
Bill -- quickcam driver causes kernel oops (Edgy) https://launchpad.net/bugs/66033 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs