The APIC kernel panic issue is intermittent, and has been addressed in all servers deployed from WMS templates.
If you've rolled your own OS, you'll need to change a boot option or two. Distro-specific instructions are below.
WMS recommends you snapshot your server before attempting to follow any of these instructions.
For Debian 5:
To add NOAPIC option to kernel config:
- Edit /boot/grub/menu.lst and change your boot line to the following:
-
#kopt=root=/dev/sda1 ro noapic
-
run update-grub
-
reboot
For Ubuntu 9.10
To add NOAPIC to kernel config:
- edit /etc/default/grub and change your GRUB_CMDLINE_LINUX entry to the following:
-
GRUB_CMDLINE_LINUX="noapic"
- run update-grub
- reboot
For Ubuntu 10.04
To add NOAPIC to kernel config:
- edit /etc/default/grub and change your GRUB_CMDLINE_LINUX entry to the following:
-
GRUB_CMDLINE_LINUX="noapic"
- run update-grub2
- reboot
For CentOS5
- edit /etc/grub.conf and add NOAPIC directly to any 'kernel' lines., e.g.,
-
kernel /boot/vmlinuz-2.6.26-2-686 root=/dev/sda1 ro single noapic
- reboot
Note: If your server has Kernel Panicked, you will need to power it off, as it won't respond to Ctrl-alt-del key presses.
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