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Old 06-15-2013, 07:51 PM   #1
planarian
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pm-suspend locking up old Dell desktop


I have a new Xubuntu installation on a geriatric Dell Optiplex GX260, and when I try to put in suspend the hard drive switches off, but the power supply and monitor remain powered up. The monitor goes black with a blinking cursor in the upper left-hand corner. At that point I have to do a hard-reset. Most of the discussion threads I've read talk about pm-suspend.log and syslog, but neither of them are turning up anything that I can recognize as a significant error, so I'm pretty stumped.

I've attached the two logs, if anyone cares to pore through them....
Attached Files
File Type: txt syslog.txt (173.1 KB, 10 views)
File Type: txt pm-suspend.log.txt (105.6 KB, 9 views)

Last edited by planarian; 06-15-2013 at 07:52 PM. Reason: clarification
 
Old 06-17-2013, 05:03 AM   #2
business_kid
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As root, try
Quote:
echo -n mem >/sys/power/state
That provokes the BIOS suspend to do it's thing. If this works, let us know. If not, check the bios for anything to make a difference. Dell have a poor reputation for their BIOS implentations. One dell machine in my last job couldn't change HD because the bios checked the number before booting!
 
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Old 06-17-2013, 01:03 PM   #3
planarian
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The system locks up in exactly the same way, so it must be a BIOS issue. Unfortunately, I don't see much that's configurable. Under "Power Mangement," there's "Suspend Mode" (choice of "S1" or "S3," currently "S3"), "AC Power Recovery" ("Off"), and "Low Power Mode" ("Disabled"). Other possibly related items are "Auto Power On" ("Disabled") and "Remote Wake Up" ("Off"). Is there anything else I should try/look at, or am I out of luck?

And just for my edification, would you explain the syntax of that command?

[Edit: I get the impression that S1 suspend isn't of much use, since it leaves most of the computer powered up]

Last edited by planarian; 06-17-2013 at 01:08 PM.
 
Old 06-17-2013, 03:08 PM   #4
business_kid
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echo - spits a bit of text, to stdout usually.
-n - tells it not to insert a newline at the end.
> - redirect output to
/sys/power/state - the essential file that does things.

There is a pm-suspend and pm-hibernate script which unhooks things politely, and you may have success with that.http://pm-utils.freedesktop.org/

Otherwise I'd fill in a result here, mark it solved and use hibernate. It's rarely worth the pain.
 
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Old 06-17-2013, 03:24 PM   #5
planarian
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I'd be perfectly happy to use pm-hibernate, but it locks the machine up as well.

Quote:
There is a pm-suspend and pm-hibernate script which unhooks things politely, and you may have success with that.
Aren't those the scripts Ubuntu uses by default?
 
Old 06-18-2013, 03:18 AM   #6
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This could be a kernel issue. There are some Dell specific options and fixes in the kernel, as well as a host of power saving options. Have you been to linux-laptop.net and checked for your machine up there? Often there's info on the page that saves you time.
 
  


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