Showstopper -- install panic in IDE CDRom driver with Mistumi FX drive

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Basically, we have a bunch of lab machines that we would like to upgrade to FC3.
Unfortunately, the install kernel panics on attempting access to the CDRom. This
appears to be basically a Kernel 2.6 problem and therefore we can install neither
FC2 nor FC3 on these machines. In any case, the announcement was just posted
that FC2 was moving to legacy in the near future.


The bug is well described in Bugzilla #115458 at
  https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=115458
The likelyhood is that this appears on older, slow hardware where the CDRom
access times out and the error recovery panics the kernel.

Does anyone have a workaround for this that will get these machines installed?
It's an isolated lab (networking experimentation) so is generally not linked to the
campus network; therefore a network install is not an easy option; busides, we
suspect that we would panic anytime the CDRom was accessed under the running
kernel as well.


We have tried using hdc=ide-scsi ... this does get past the crash in the installation,
but then Anaconda can't find the installation CD. (Possibly looking at a link to /dev/hdc
instead of to the appropriate SCSI drive?)


The Bugzilla description has an analysis of the stack trace by Alan Cox. But I'm afraid
thate we're not yet experienced enough here to understand how to use that information
to locate the apparent kernel bug.


Any help or pointers would be appreciated.


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