At 12:54 PM 3/16/98 -0500, you wrote:
>
>> I have a 2940UW w/1.25 BIOS. It works fine with the hard drive (Seagate
>> Barracuda), but when I switched the CDROM from IDE to SCSI (Toshiba 12X), I
>> can no longer mount the CD. The error message is "the iso9660 file system
>> is not supported by the kernel." (prior to the switch, I recompiled the
>> kernel with SCSI support for hard drives and CDROM and support for IDE
>> CD...the kernel compiled cleanly and worked fine prior to installation of
>> the SCSI CD.) In addition to not being able to mount the file system, I
>> have attempted to recompile the kernel but the new kernel will not boot...I
>> get a kernel panic when it probes the CD.
>
>Slow down.. Your missing a few important details. When you recompiled the
>kernel, did you compile ISO9660 support, as well as SCSI CDROM support?
>
Yes, iso9660 support was also included.
>How did you install the new kernel? Are you using lilo? Which options
>did you select for the adaptec during the kernel compile?
>
I have tried to select all of the options and I've tried it by eliminating
each of the options...the last time I compiled a kernel was with none of
the options selected. I started by running these in this order:
make mrproper
make menuconfig
make dep
make clean
make boot
make modules
rm -rf /lib/modules/2.0.32-old
mv /lib/modules/2.0.32 /lib/modules/2.0.32-old
make modules_install
#(after moving the old modules)
mv /boot/vmlinuz /boot/vmlinuz.old
cp /usr/src/linux/arch/i386/boot/zImage /boot/vmlinuz
xedit /etc/lilo.conf
# to add the option of booting to the old kernel
/sbin/lilo
>> I checked the FAQ and I understand that the 2940UW is only partially
>> supported. I do have initiate wide negotiation in the SCSI BIOS settings
>> for the CD disabled. I do have enable SCSI speed enabled too. The later
>> may be where the problem is.
>
>The defaults will work fine. Be absolutly sure you have termination
>correct. Do you have any external devices? The 2940UW cannot use all
>three interfaces at once. So, the Barraduca is on the 68-pin interface,
>and the CDROM is on the 50-pin interface, correct? If so, you need to
>disable Low Termination, and enable High, as well as terminate both the
>CDROM and the hard disk.
>
I have enabled SCSI speed which is not the default. I'll try that and see
if it makes a difference. I don't technically have any external devices.
I have a HP scanner attached to the narrow internal adapter via an adapter
cable. The scanner is terminated and the hard drive and CD ROM are both on
the wide internal cable. I have a ACK-68P-50P-IU wide to narrow adapter
that I purchased from Adaptec,
(http://www.adaptec.com/products/store/adapcables.html) which permits the
narrow device to attach to the wide cable. Did I mention that everything
works great under Windows95, so I assume that the devices are properly
terminated. I will disable low termination and enable high termination.
Currently, it is set to automatic.
>Also, it was most likely not necessary to recompile the kernel. The stock
>kernel has aic7xxx support, and CDROM support already compiled.
>
O.K., I'll try the stock kernel and see if it works and report my results.
Thanks for your input.
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