Was DevFS compiled into it?  This means that /dev/sda4/zip is no longer 
valid.  I am not sure what the new major minor number is though.  Check out 
the following for info..

http://www.atnf.csiro.au/~rgooch/linux/docs/devfs.html


At 06:11 PM 2/2/01 -0700, Julian M Catchen wrote:
>Hello,
>
>Last night I comiled and installed the new kernel, 2.4.1.  Everything works
>great except...I can no longer mount my zip drive or my CD-RW.   I get this
>message:
>
> >mount /dev/sda4 /zip
>mount; /dev/sda4 has wrong major or minor number
>
>I am using SCSI emulation in order to get my burner to work properly. I
>have not enabled IDE CDRom support.  I have enabled scsi emulation as well
>as scsi generic support in the kernel.   Usually, I can mount my burner
>under /dev/sr0 and my zip under /dev/sda4.
>
>Any ideas what I am doing wrong?
>
>Thanks,
>
>julian
>
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Steven M. Klass
Physical Design Engineering Manager

Andigilog Inc.
7404 W. Detroit Street, Suite 100
Chandler, AZ 85226
Ph: 480-940-6200 ext. 18
Fax: 480-940-4255

sklass@andigilog.com
http://www.andigilog.com/