On 23/04/14 00:13, Peter Pickford wrote:
This is what I get on kvm with serial console
http://pastie.org/9101958
<snip>
vm has no video drivers and uses controller virtio serial and serial 1
as primary console
ipxe is loaded via gpxe from tftp ipxe.pxe
as you can see double chars
You have serial console output enabled in the BIOS. Your serial port
output includes lines such as
Booting from Hard Disk...
Boot failed: not a bootable disk
which are definitely coming from the BIOS, rather than from iPXE. When
iPXE starts up, each character gets written twice: once from the BIOS's
console output and once from iPXE's own serial output.
Since you have serial console output enabled in the BIOS anyway, you
could just disable iPXE's serial console support and you would still see
output on the serial port.
Michael
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