Red Hat Bugzilla – Bug 821275
resume from suspend sometimes fails on Thinkpad W520
Last modified: 2013-08-01 12:22:00 EDT
Description of problem:
This is a very peculiar problem. I have a f17 Gnome install and it seems the first suspend/resume cycle works fine, but the following ones will not resume correctly. I usually get 1 of 2 behaviors:
I either see a black screen with the G3 menu bar at the top, but no box that prompts for password. Mouse cursor moves with the mouse. Typing password and hitting enter repeatedly doesn't work. Alt F2 can get a virtual console. I can kill X with ctrl-alt-bksp and gdm will let me log in again.
Or I get a screen of garbled black and white- can't get a virtual console. ctrl-alt-bksp, ctrl-alt-del don't do anything. At this point I have to hold down the power button to kill the box.
I am running stock f17 install with the nouveau driver. Machine is in 'discrete graphics' mode in BIOS, meaning only the nvidia card (quadro 1000) is active.
I have 2 other stock f17 installs on this box - one KDE and one Xfce. I will attempt to recreate the problem there and see if it affects them as well.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. suspend/resume box
2. wait a bit and try it again
suspend/resume to work properly
After more testing I found that you have to click suspend from the menu and then close the laptop lid to produce the first behavior- can see the menu bar and mouse moves, just can't log in.
If you just click the suspend button and leave the lid open, a subsequent press of the power button will resume the machine properly.
Perhaps the lid close event and suspend event are stepping on each other. If this is the case then I'd say it's a reason that Gnome 3 should let you configure the lid close behavior because there is no other way that I know of to suspend the machine when you close the lid and have an external display attached.
As far as I can tell, suspend on lid-close is broken in F17. acpi_listen reports the lid open/close events, but my laptop does not suspend when the lid is closed.
I have not seen the behavior that you mentioned. Since the lid close is broken, I have been using the menu suspend option, which seems to work fine so far. I primarily use the MATE desktop. I thought that might be causing the problem, so I tried in Gnome shell. It behaves the same. Both are set to suspend when the lid closes. (I'm using gnome-tweak-tool with gnome 3.)
Do you wait for it to suspend fully before closing the lid?
I'm using the proprietary nVidia driver. I'm not sure if that might have something to do with it.
Vic, I'm using the nouveau driver and suspend/resume on lid close and open works as expected if there's no external display connected. If a display is connected, then it shifts the main display to the external display and doesn't sleep despite what you have set in gnome-tweak-tool. This is the behavior defined by Gnome 3 I'm told.
I think you nailed it when you said you have to wait until it is full asleep when you click 'suspend' before you close the lid. If I do that suspend/resume works fine. It's only when I click suspend and then shut the lid right away that it fails.
I see two possible fixes for this problem--
The first would be to examine the interaction between the suspend event and closing the lid and making it more robust so that I doesn't blow up if those two actions are done in what would be considered a 'normal' succession- one clicks suspend and then closes the lid. I think it's abnormal to force the user to have to wait for 10 seconds or so until the machine is asleep before they are allowed to close the lid.
The second would be to to modify Gnome 3 to not override the users setting (in gnome-tweak-tool) for Lid close behavior if a monitor is connected.
Switching to mdm solved my problem:
Good luck with Gnome 3.
If suspend is working one way or another, it seems this isn't a kernel issue. Are you still having this issue with the latest F17 updates? If so, perhaps you can reassign to something in gnome?
(In reply to comment #6)
> If suspend is working one way or another, it seems this isn't a kernel
> issue. Are you still having this issue with the latest F17 updates? If so,
> perhaps you can reassign to something in gnome?
Yes I agree this shouldn't belong to kernel- will reassign to gnome-shell.
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