[ipxe-devel] serial arrow keys broken

[Alex Davies]

A, B, C and D. Here I pressed the key after each word (e.g. "u", "p", <up arrow"):

iPXE> up A down B right C left D
up: command not found

-Alex


From: Alex Davies [mailto:alex at davz.net]
Sent: 11 April 2014 23:18
To: Alex Davies
Subject: Fwd: [ipxe-devel] serial arrow keys broken


---------- Forwarded message ----------
From: Peter Pickford <peter at netremedies.ca<mailto:peter at netremedies.ca>>
Date: Wed, Apr 9, 2014 at 11:48 AM
Subject: Re: [ipxe-devel] serial arrow keys broken
To: Alex Davies <alex at davz.net<mailto:alex at davz.net>>

If you exit the menu and got to the ipxe command line what do you get when you press the arrow keys?

On 9 April 2014 03:41, Alex Davies <alex at davz.net<mailto:alex at davz.net>> wrote:
Hi All,

We had the same problem using SOL on Dell hardware.

I tried both your patch Michael and the divide by two suggested at the top of this thread, without joy.

Interestingly, pressing the arrow key does stop the countdown timer, but the menu selector does not move, so iPXE is getting something. What debug flag should I enable to see what it is getting?

The menu is working nicely with color and if I connect to the 'full console' via the DRAC, and move the arrow key, the SOL menu refreshes correctly.

Thanks!

-Alex

On Thu, Mar 27, 2014 at 2:46 PM, Michael Brown <mcb30 at ipxe.org<mailto:mcb30 at ipxe.org>> wrote:
On 27/03/14 08:36, Peter Pickford wrote:
The arrow keys would not work in my ipxe serial console.

The following seems to fix it but causes a busy wait while reading
escape sequences.
<snip>

Arrow keys over serial works for me.  Could you try the attached (untested) patch, which preserves the cpu_nap() while changing the ordering of events such that a keypress arriving during the cpu_nap() will be detected even if the timeout has expired?

Thanks,

Michael
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