On Sun, Apr 15, 2001 at 06:23:44PM -0000, Robert wrote:
> When I
> % mount /cdrom
> the entire system hangs/freezes/crashes and I have to hit the reset button
> to reboot.

I had something like this happen to me when I tried to mount a floppy
that I had ejected without umounting (whoops).  Is it all CDs or only
one? ... although the fact that you can mount then under another
kernel makes me think that this isn't it.

> Here's the relevant line in the /etc/fstab:
> 
> /dev/cdrom        /cdrom   iso9660      ro,noauto,user,exec,nosuid 0 2

Looks good to me.

> Below is my kernel configuration that I used to compile the 2.2.18pre21
> kernel.  Perhaps there's some unnecesary conflict which is causing the
> problem.
> 
> Thanks for any help.
[...]
> #
> # Kernel hacking
> #
> # CONFIG_MAGIC_SYSRQ is not set

Say "yes" to this, read /usr/src/linux/Documentation/sysrq.txt and
recompile.  You may be able to kill the hung mount process with
alt-sysrq-K, and alt-sysrq-{S,U,B} will sync and umount your disks and
reboot your system.

You may want to try a non-"pre" kernel; I think there's a 2.2.19 out.

Rob

-- 
I'm still waiting for the advent of the computer science groupie.

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