Ken Vance wrote:
> Is there a way of overriding the command line and inserting the correct
> line?  Even if we update the original file, we would still be stuck since
> the zipl command writes it to the boot area.  Do we need to bring up the
> RAM image and rebuild the boot area?

You need to run the zipl command on the respective disk to rebuild the boot
area. Note that this can be done from another Linux system as well by doing
the following:

1. mount the disk in question
2. chroot mountpoint
3. zipl

or using the zipl command line parameters:

1. mount the disk in question
2. zipl -t mountpoint/boot -i /mountpoint/boot/image -p
/mountpoint/boot/parmfile
(filenames may vary depending on distribution)

Note also that starting with the zipl version contained in the s390-tools
1.3.0 package, there is an interactive boot menu available which can be used
to select an alternate configuration or to append additional parameters to
the kernel command line at boot time (see respective zipl man pages).


Regards,
  Peter Oberparleiter

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