[ipxe-devel] serial arrow keys broken

Michael Brown mcb30 at ipxe.org
Tue Apr 22 11:52:37 UTC 2014


On 22/04/14 12:30, Alex Davies wrote:
> Thanks Peter. Commenting out cpu_nap() worked for us, so if anybody is
> looking to get the arrow keys on a menu working via Dell Serial over LAN
> (SOL) via iPXE, that is what you need to do.

Did enabling the FIFOs also work?

> This might be a dumb question, but do we really care about power usage
> during the menu stage of a PXE operation? Obviously, we can just comment
> that line out, but if the only downside is a slightly higher CPU usage
> during menu versus keys not working it seems that erring on the
> always-works option by default might be sensible.

People have complained in the past about iPXE causing VM's CPU usage to 
peg at 100%.

Michael



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