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44.6.5. IBM eServer pSeries Systems


IBM eServer pSeries systems use YABOOT as the boot loader, which uses /etc/aboot.conf as the configuration file. Confirm that the file contains an image section with the same version as the kernel package just installed:
boot=/dev/sda1 init-message=Welcome to Red Hat Enterprise Linux! Hit <TAB> for boot options
partition=2 timeout=30 install=/usr/lib/yaboot/yaboot delay=10 nonvram
image=/vmlinux--2.6.9-5.EL
         label=old
	 read-only
	 initrd=/initrd--2.6.9-5.EL.img
	 append="root=LABEL=/"
image=/vmlinux-2.6.9-5.EL
	 label=linux
	 read-only
	 initrd=/initrd-2.6.9-5.EL.img
	 append="root=LABEL=/"
Notice that the default is not set to the new kernel. The kernel in the first image is booted by default. To change the default kernel to boot either move its image stanza so that it is the first one listed or add the directive default and set it to the label of the image stanza that contains the new kernel.
Begin testing the new kernel by rebooting the computer and watching the messages to ensure that the hardware is detected properly.
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