Server console is not recovering from powersave mode

Issue

• On RHEL-5 below command worked to avoid the console blanking:

setterm -powersave off -blank 0

• This no longer works for RHEL6. Console here means the default VGA screen output, which comes from IPMI redirected KVM.

• Problem persists, even if the following kernel boot parameter is set:

 "consoleblank=0"

• This is a problem for two reasons:

1. The console is unusable
2. After the power-save has kicked in the console is unreadable, so errors cannot be read.

• Setting rd_NO_PLYMOUTH as a kernel boot parameter has not solved the problem either.

• Once the console has gone into power-save mode it is impossible to get the screen to come back up, so any console messages cannot be seen.

• The UCS blades http://www.cisco.com/en/US/products/ps10265/index.html do not use USB for their console access. Instead you browse to the UCS control system and from there you download a java based KVM over IP console.