Hitachi Compute Blade 2500 series, Compute Blade 500 series Installation Manual page 33

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• ACPI Warning shown in the dmesg file
The following messagex may be dumped by the dmesg command and in
the system log (/var/log/dmesg). They do not affect the behavior.
"ACPI Warning: FADT (revision 5) is longer than ACPI 2.0 version,
truncating length 0x10C to 0xF4 (20090903/tbfadt-288)"
• Intel(R)I/OAT shown in the dmesg file
The following message may be dumped by the dmesg command
depending on the system configuration.
"Intel(R) I/OAT DMA Engine init failed"
To avoid this problem, add the following kernel option to /boot/grub/
grub.conf.
• Using Kdump
When using Kdump on Red Hat Enterprise Linux, you may not be able to
use the dump function due to OS limitations if specifying the following
devices to store the dump file.
Hitachi 16 Gb 1-port Fibre Channel adapter (GV-CC2N161X1-Y)
Hitachi 16 Gb 2-port Fibre Channel adapter (GV-CC2N162X1-Y)
Emulex 16 Gb 2-port Fibre Channel adapter (GV-CC2N163X1-Y)
If without an I/O slot expansion unit connected, you can avoid this
problem by the following OS setting.
Add "blacklist igb" to the last line of /etc/kdump.conf file.
LPAR manager environment
Be aware of the following restrictions for LPAR manager environment.
Basic operation on and changing settings for Red Hat Enterprise
Linux 6
After starting Red Hat Enterprise Linux 6 on the LPAR manager LPAR, perform
basic operations and change settings for the OS, when needed, by using SSH
or terminal software or by using the remote console.
Shared NICs/virtual NICs
If the shared NICs/virtual NICs are not recognized as network devices after
starting the OS first time, retry restarting the OS.
Network
You cannot bond virtual NICs and physical NICs with hbonding/bonding.
Hitachi Compute Blade Series OS Installation Guide for Red Hat Enterprise Linux
mcelog: failed to prefill DIMM database from DMI data
mcelog: mcelog read: No such device
Red Hat Enterprise Linux 6
2-13