<div dir="ltr">I see double characters when using kvm serial with fifos enabled. Perhaps kvm serial emulation don't work too well with some options.<div><br></div><div>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 :)<br>
<div><br></div><div>I also saw problems with arch install in kvm over serial perhaps grub has the same issues though I don't know if its some sort of config problem as it it may be outputting to two console or some such and combining the output hence the two characters.<br>
<div><br></div><div>I will test a clean build later and let you know</div></div><div><br></div><div>The cpu and power usage is quite important in virtual environments as it can use resources that other vms could benefit from if they boot to an ipxe screen and just sit there using cpu and power etc</div>
</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On 22 April 2014 06:05, Michael Brown <span dir="ltr"><<a href="mailto:mcb30@ipxe.org" target="_blank">mcb30@ipxe.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="">On 17/04/14 15:24, Peter Pickford wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
values to tried all seem to work<br>
0x01 enable fifos only (this is probably enough)<br>
</blockquote>
<br></div>
I've pushed a change with the minimal fix of just enabling the FIFOs:<br>
<br>
<a href="http://git.ipxe.org/ipxe.git/commitdiff/d644ad4" target="_blank">http://git.ipxe.org/ipxe.git/<u></u>commitdiff/d644ad4</a><br>
<br>
Please let me know if there are still problems with escape sequences via the serial port.<span class="HOEnZb"><font color="#888888"><br>
<br>
Michael<br>
</font></span></blockquote></div><br></div>