[SOLVED] keyboard lag

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21 Jan 2011 18:48 - 24 Jan 2011 18:57 #6798 by Pentax
[SOLVED] keyboard lag was created by Pentax
So.......my machine is great. however, i seem to be having a problem with the computer.

after i turn the computer on, it takes about 2 minutes before the keyboard works. x loads fine, and emc runs with all its hal buttons, but i can't use the keyboard until after a wait of a few minutes......

its a seal shield seal pup usb keyboard.

thoughts?

thanks,
A
Last edit: 24 Jan 2011 18:57 by Pentax.

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21 Jan 2011 23:51 - 21 Jan 2011 23:52 #6801 by BigJohnT
Replied by BigJohnT on topic Re:keyboard lag
Have you tried another keyboard?

John
Last edit: 21 Jan 2011 23:52 by BigJohnT.

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24 Jan 2011 14:10 #6824 by andypugh
Replied by andypugh on topic Re:keyboard lag
Pentax wrote:

i can't use the keyboard until after a wait of a few minutes......


Probably a USB/keyboard driver problem. I would assume that there is no such problem with a PS/2 keyboard?

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24 Jan 2011 16:16 #6827 by Pentax
Replied by Pentax on topic Re:keyboard lag
John : yes, i have. i have a crappy ps2 keyboard i used a for a while..... it works, but the thing is ridiculous.

Andy: yeah, that crappy ps2 works, but the USB also worked without issue until i ran the EMC sh script. ??

the seal pup keyboard is used because a console assembly was machined for it, and its coolant and oil proof (and hot chip proof for that matter).

by the time the machine boots and homes, the keyboard works, but sometimes it randomly stop working for about two minutes, which really puts a dent in things...

i checked seal shields website, and nothing is there.... i also use a seal shield keyboard at home and don't have this problem...which leads me to believe a bios issue, and not a linux issue. maybe legacy usb issues?

thanks guys,
A

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24 Jan 2011 16:46 #6829 by andypugh
Replied by andypugh on topic Re:keyboard lag
Pentax wrote:

the seal pup keyboard is used because a console assembly was machined for it, and its coolant and oil proof


I assumed as much, I was just trying to narrow the problem down.

Does the keyboard take as long to start working if you don't start EMC2? ie is it a question of the keyboard/driver booting very slowly all the time with the rtapi kernel, or is it EMC2 itself which interferes with it?

I would be tempted to fiddle with USB settings in the BIOS.

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24 Jan 2011 18:56 #6831 by Pentax
Replied by Pentax on topic Re:keyboard lag
Allright, i disabled USB2.0 and legacy USB and it seems to behave.

thanks,
A

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