Re: [PLUG] Getting up from chair brings desktop out of suspend

2018-02-22 Thread Frank Filz
> I agree with the ESD idea. I set up my 'scope with an unshielded DMM probe > lead spread across the desk in front of the keyboard. I can see very fast events > in the few volt range, but what seems to trigger the wake from suspend are > slower, lower events. No solid correlations, however.

Re: [PLUG] Getting up from chair brings desktop out of suspend

2018-02-21 Thread Denis Heidtmann
I agree with the ESD idea. I set up my 'scope with an unshielded DMM probe lead spread across the desk in front of the keyboard. I can see very fast events in the few volt range, but what seems to trigger the wake from suspend are slower, lower events. No solid correlations, however. And the

Re: [PLUG] Getting up from chair brings desktop out of suspend

2018-02-21 Thread Bill Barry
You could try unplugging the keyboard to see if that stops the behavior . Maybe it is acting as antenna. Bill On Wed, Feb 21, 2018 at 10:54 AM, Denis Heidtmann wrote: > I assume this is due to static electricity creating some sort of > disturbance. > > I have an AST

[PLUG] Getting up from chair brings desktop out of suspend

2018-02-21 Thread Denis Heidtmann
I assume this is due to static electricity creating some sort of disturbance. I have an AST usb keyboard. Keyboard presses are what normally wakes the computer. Moving or clicking the mouse does not. Although this is but a minor annoyance, I would like to figure out what part of my system is

Re: [PLUG] Getting up from chair brings desktop out of suspend

2018-02-21 Thread Galen Seitz
On 02/21/2018 01:21 PM, Denis Heidtmann wrote: I think you will see in my earlier message that I cannot use the mouse to come out of suspend. I can drop the thing from a few inches off the desk--no response. I vote ESD/EMI. Can you try maintaining contact with a grounded object while

Re: [PLUG] Getting up from chair brings desktop out of suspend

2018-02-21 Thread Denis Heidtmann
Setting anxiety aside, to address the non-EMI possibilities: I am running Ubuntu 16.04. I use the drop-down menu entry "suspend" to suspend. The keyboard is about 1 foot from the front edge of a very heavy wooden desk. My hands are on the arms of a wheeled chair on a hard-wood floor. The

Re: [PLUG] Getting up from chair brings desktop out of suspend

2018-02-21 Thread Denis Heidtmann
I think you will see in my earlier message that I cannot use the mouse to come out of suspend. I can drop the thing from a few inches off the desk--no response. On Wed, Feb 21, 2018 at 1:18 PM, Ken Stephens wrote: > The mouse is sensing the vibrations you cause

Re: [PLUG] Getting up from chair brings desktop out of suspend

2018-02-21 Thread Ken Stephens
The mouse is sensing the vibrations you cause when scooting your chair back. On Wed, Feb 21, 2018 at 12:00 PM, Denis Heidtmann wrote: > Setting anxiety aside, to address the non-EMI possibilities: > > I am running Ubuntu 16.04. I use the drop-down menu entry

Re: [PLUG] Getting up from chair brings desktop out of suspend

2018-02-21 Thread Rich Shepard
On Wed, 21 Feb 2018, Dick Steffens wrote: It's the anxiety sensor. I first learned of these from John, a technician at Prime Computer back in the late '70s. Every summer we would get a crop of new engineering graduates. They would often get frustrated when trying to boot up an machine in the

Re: [PLUG] Getting up from chair brings desktop out of suspend

2018-02-21 Thread Dick Steffens
On 02/21/2018 10:54 AM, Denis Heidtmann wrote: I assume this is due to static electricity creating some sort of disturbance. I have an AST usb keyboard. Keyboard presses are what normally wakes the computer. Moving or clicking the mouse does not. Although this is but a minor annoyance, I