[Bug 521879] Re: Ubuntu won't boot correctly on a IBM IntelliStation Z Pro since 9.10

[Clive]

I haven't been able to reproduce the kernel panic during boot while the serial console is active.  LiveCD with no serial console has panic'd every time (10/10) for me.  I went ahead and installed 10.04 (after backing up my 9.04 installation). However, shortly after first (or second - not sure) reboot after installation I was doing rudimentary operations (editing a handful of files in gedit) and the machine hard locked (no flashing lights to indicate a kernel panic).  The last few messages in the logs before the hard lock mention mtpbase and mptspi (see attachment kern.log-10.04.clive.txt).  I believe the mtpbase/mptspi modules support the LSI Logic SCSI controller.
I don't actually need the SCSI disk so I experimented:
1. Remove all SCSI disks - LiveCD still panics during boot.
2. Disable both controllers via LSILogic firmware setup - LiveCD still panics at boot.
3. Disable "SCSI Selection" in BIOS - LiveCD boots sucessfully (Note: doesn't attempt to load the mptbase module).
I don't know enough to know if blacklisting the mptbase module would be equivalent.
I have not confirmed that the problem _is_ with the mptbase module (and friends), but I now have a working system using the IDE disk.  When/if a fix is implemented I'd be happy to try out new kernels etc.

** Attachment added: "kern.log-10.04.clive.txt"
   http://launchpadlibrarian.net/48202526/kern.log-10.04.clive.txt

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Ubuntu won't boot correctly on a IBM IntelliStation Z Pro since 9.10
https://bugs.launchpad.net/bugs/521879
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