On 22/04/14 14:30, Peter Pickford wrote:
I see  double characters when using kvm serial with fifos enabled.
Perhaps kvm serial emulation don't work too well with some options.

Interesting.  I tested KVM and don't get double characters.

kvm serial seems distractingly slow in ipxe in polling mode-  type a
char and wait sort of slow - reminds me of 300 baud Teletype or worse,
but it works :)

Also not a problem I see here.  This may be dependent on the KVM version.

I have noticed that the BIOS console has been noticeably slower since upgrading QEMU/KVM a couple of months ago. I'm pretty sure this isn't an iPXE-specific problem, since the BIOS's own startup banner also prints with a noticeable teletype effect.

Michael
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