*** This bug is a duplicate of bug 84964 *** An update for completeness:
1. I have successfully booted the livecd by turning off the JMicron controller, and plugging my cdrom drive into an adaptec PCI IDE controller. While I know this isn't a possibility for most people, if you have access to such a card, you can at least get the system running. 2. More importantly, I am quite sure that this is a duplicate of https://launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/84964 which is being looked into by Ben Collins and I am marking it as such. The status says that a fix has been committed, although I have yet to see confirmed that it works (the daily I downloaded was oversized and thus refused to burn), but there is what appears to be a proper diagnosis of the problem (a race condition at boot time) and a functioning work-around part way through the comments: https://launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/84964/comments/24 and https://launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/84964/comments/59 respectively. This workaround does depend, however, on being able to boot the system at least once without the JMicron enabled, which I recognize is impossible for most people to do from a livecd, and even if it were, this would not be a satisfactory solution, so I would suggest that people track that bug for further developments. Right now there appears to be dispute as to whether the 2.6.20-12 kernel contains a working fix. Hope that helps someone trying to sort out whats going on with their system, despite being of little use in fixing the bug itself. ** This bug has been marked a duplicate of bug 84964 modprobe abnormal exit - Kernel 2.6.20-8/9/10/11/12 does not boot -- 7.04 herd 5 liveCD will not boot https://launchpad.net/bugs/89380 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
