To clarify:

Fedora is on hda, gentoo on hdb.  The /boot/grub.conf file boots both 
fine; this partition is mounted seperately, it's referenced correctly as 
(hd1,0) meaning the hdb, the first partition.  Both Gentoo kernels are in 
the same partition, same directory reflected in mount as:

/dev/hdb1 on /boot type ext2 (rw)


Which correlates with the GRUB entry of (hd1,0).


The root filesystem is the same for both kernels, this is reflected in 
mount as:

/dev/hdb3 on / type ext3 (rw,noatime)

Again, this matches the GRUB entry.


The full mount command shows:

arrakis ~ # 
arrakis ~ # mount
/dev/hdb3 on / type ext3 (rw,noatime)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec)
udev on /dev type tmpfs (rw,nosuid)
devpts on /dev/pts type devpts (rw,nosuid,noexec)
/dev/hdb1 on /boot type ext2 (rw)
none on /dev/shm type tmpfs (rw)
/dev/mapper/VolGroup00-LogVol00 on /mnt/VolGroup00/LogVol00 type ext3 
(rw,noexec,nosuid,nodev)
usbfs on /proc/bus/usb type usbfs 
(rw,noexec,nosuid,devmode=0664,devgid=85)
arrakis ~ # 
arrakis ~ # cat /etc/gentoo-release 
Gentoo Base System release 1.12.9
arrakis ~ # 
arrakis ~ # date
Sat Nov 17 11:05:14 PST 2007
arrakis ~ # 
arrakis ~ # 




The *exact* wording, the particulars of the error message GRUB gives 
differs slightly from the example I posted.  The error (to the best of my 
recollection) is:


Booting 'gentoo Linux'

root (hd1,0)
Filesystem type is ext2fs, partition type 0x83
kernel /kernel-has-alsa root=/dev/hdb3

Error 15: File not found
Press any key to continue...


I'm just noticing (after a bit of sleep) that the form is slightly 
different from the example I gave:

Booting 'gentoo Linux'

root (hd0,0)
Filesystem type is ext2fs, partition type 0x83
kernel (hd0,0)/boot/kernel-2.4.20 root=/dev/hda3 vga=792

Error 15: File not found
Press any key to continue...



in that the line specifying the kernel has (hd0,0)/boot/kernel... in the 
example, but the error message I give doesn't have the correlating 
(hd1,0)/boot/ prefix.


I would say that this is why the file cannot be found.


Also, it occurred to me that the genkernel which works (currently in use) 
could just be copied to "genkernel2" in the same location, then a 
corresponding entry in GRUB could be made.  What would it mean if the 
same error occurred when GRUB went to boot this "genkernel2"?

I'm thinking that there's some sort of missing piece.  It's good to know 
that it's not a module problem, and this makes sense.  If it were a 
module then presumably, please correct me, the kernel would at least be 
"found" and a different error message would occur during the actual 
boot.  This message is within GRUB, I can press a key and boot a 
different GRUB entry.



thanks,

Thufir

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