 Problems With 'apm -s' And Xwindows |
OESF Forums > Distros, Development, and Model Specific Forums > Distro Support and Discussion > pdaXrom  |
 Jul 17 2006, 05:05 AM
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#1
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Group: Members Posts: 138 Joined: 12-February 04 Member No.: 1,830  |
Has anyone else had any problems executing 'apm -s' from X? I have found that when I do this, upon wakeup X runs really slowly, and I get a load of errors about timeouts with read and write pointers. If I use the suspend button, I have no problems. Similarly, running 'apm -s' from the console wakes up with no problems.
So it appears that pressing the suspend button does something more than just call apm.x, and this extra behaviour prevents the X problem from occurring. Does anyone know anything about this? Does it do something with the framebuffer? I'd like to get this working so that I can control automatic suspends if I wakeup the Z in the night to do some night-time processing! I'm running RC12 on an SL-860. Dan |
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Jul 17 2006, 06:19 AM
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#2
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 Group: Members Posts: 1,099 Joined: 17-December 03 From: Athens, Greece Member No.: 1,210 |
'xset dpms force off' ?
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Jul 17 2006, 06:30 AM
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#3
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Group: Members Posts: 138 Joined: 12-February 04 Member No.: 1,830 |
QUOTE(pgas @ Jul 17 2006, 02:19 PM) 'xset dpms force off' ?  That does the trick  - I never knew that X has its own power management. I'm still curious to know why the power off button works both for console and X, however.Dan |
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Jul 17 2006, 12:08 PM
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#4
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Group: Members Posts: 343 Joined: 3-October 05 From: NZ Member No.: 8,243 |
I think I recall reading about this problem in an earlier thread, and the solution above from pgas was the answer there too.
All the apm stuff is actually in the kernel, so I guess the userland programs are just interfacing with that, rather than apm and xset actually doing any power management. I would presume that pressing the power button would also shortcut straight to the kernel apm... |
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