I should add that I searched both Ubuntu and Debian bug archives and could find no reference to either this problem or the kernel bug ID.
The problem manifests with logs like: ide-cd: cmd 0x3 timed out hdc: lost interrupt After this occurs the IDE bus is totally hung until a machine reset. -- DMA access to CD/DVD burner causes IDE hang https://launchpad.net/bugs/50378 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs