New CD-ROM drive causes kernel panic

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On Tue, 2005-12-27 at 22:22 -0500, Alfred von Campe wrote:
> On Dec 27, 2005, at 18:09, Alfred von Campe wrote:
> 
> > Any ideas how I can work around this?  I've booted from the CentOS  
> > 4.2 CD #1 into rescue mode, but I don't know what I should look for  
> > next.  Other than removing the CD-ROM drive, what can I do to fix  
> > this problem?
> 
> I'll answer (well, update) my own post.  Removing the CD-ROM drive  
> definitely fixes the problem.  So, is this CD-ROM drive just not  
> compatible with my motherboard?  If so, is there a way to make it  
> compatible (i.e., some jumper settings)?  If more details are needed,  
> I can disconnect the computer again, remove it from under the desk  
> (not an easy place to get to), and get the motherboard and CD-ROM  
> drive details.  I really want to get this to work.  For now, I can  
> live without the CD-ROM.  If I need to go an buy a new (compatible)  
> CD-ROM drive, that's OK.  I just need to know what I'm looking for.
> 
I would recommend checking the master/slave jumper settings. Is the
cdrom drive the only drive on the cable? On what positions does the bios
report the drive (primary/secondary channel, master/slave?). changing
DMA settings for the drive may help too. How does Linux recognize the
drive (dmesg + /proc on which, as which drive hda, hdb, hdc, hdd?)


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