USB support + Supermicro IPMI KVM = no keyboard

Max Laier max at
Tue Jan 29 05:34:48 PST 2008

On Tuesday 29 January 2008, Steven Hartland wrote:
> When booting a default kernel e.g. standard install cd the KVM over LAN
> keyboard on Supermicro's IPMI modules refuse to function. Once
> installed if we build a kernel without USB all is good.
> So two questions:-
> 1. Can usb support be disabled from the loader?
> 2. Anyone got any ideas why USB would break the IPMI keyboard?

You could try hint.kbdmux.0.disabled="1" - see kdbmux(4) for details.

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