Hitachi Compute Blade 2000 User Manual page 1823

Before the setting change
title Red Hat Enterprise Linux Server (2.6.18-128.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-128.el5 ro root=/dev/VolGroup00/LogVol00 nodmraid
initrd /initrd-2.6.18-128.el5.img
After the setting change
title Red Hat Enterprise Linux Server (2.6.18-128.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-128.el5 ro root=/dev/VolGroup00/LogVol00 nodmraid
nmi_watchdog=0
initrd /initrd-2.6.18-128.el5.img
2. Change "/etc/sysctl.conf" file.
Add the following parameter to the last line of the "/etc/sysctl.conf" file. When
the parameter already has been set, change the value as shown below.
kernel.unknown_nmi_panic = 0
kernel.panic_on_unrecovered_nmi = 1
3. Reboot the OS.
Type the following command to reboot the OS.
# reboot
4. Check whether the new setting is reflected.
Execute the following command to check the parameter. (Italic characters show
command results.)
# cat /proc/cmdline
ro root=/dev/VolGroup00/LogVol00 nodmraid nmi_watchdog=0
# sysctl -a | grep "unknown_nmi_panic ="
kernel.unknown_nmi_panic = 0
# sysctl -a | grep "panic_on_unrecovered_nmi ="
kernel.panic_on_unrecovered_nmi = 1
1772