I can confirm this. I have an Athlon box that had edgy and was recently dist-upgraded to feisty. The old kernel (linux-image-2.6.17-10-generic) boots fine, but the two new ones linux-image-2.6.19-7-generic and linux- image-2.6.20-2-generic hang after discovering the mouse.
-- no boot on Kernal images post linux-image-2.6.17-6-386 on Dell Inspiron 7500 https://launchpad.net/bugs/63628 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs