Hitachi Compute Blade 2500 series, Compute Blade 500 series Installation Manual page 34

Tag VLAN
If you use Tag VLAN, the communication performance may not improve even
if you enable the TCP segmentation off load function.
Pasting character strings on the guest screen
Attempting to paste a long character string onto the guest screen may not
paste the intended length of the string, or it may cause Linux hang-up, or it
may result in an unexpected screen operation. The maximum length of a
string that can be pasted without fail is 16. To paste strings longer than that,
use the virtual COM console or a terminal connected to the server blade.
System log messages
The system log below may be found, but it does not affect the operation.
warning: many lost ticks.
mtrr: type mismatch for ef200000,100000 old: write-back new: write-combining
Message at OS boot
The following message may be displayed at OS boot, but operation is not
affected.
microcode: CPUX update to revision 0xXX failed.
Message for physical processor shortage
When the total number of logical processors, which are assigned to LPARs,
are more than that of physical processors on the server blade, the following
message may be displayed. Operation is not affected. When the processor is
assigned as dedicated, rarely but the following message may be displayed.
This will not affect the operation.
hrtimer: interrupt took XXXXXXX ns
Message at TPM error
When tboot package is installed on Red Hat Enterprise Linux 6, the following
message may be displayed at OS boot. Operation is not affected.
TBOOT: Error: write TPM error: 0xX
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Hitachi Compute Blade Series OS Installation Guide for Red Hat Enterprise Linux
Message
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Red Hat Enterprise Linux 6