Created attachment 460937 [details] run pm_suspend from X Description of problem: After a pm-suspend the laptop goes off After pressing the power button, the laptop starts but the scren remain blank Laptop is a ecafe 900 with via proc C7-M Version-Release number of selected component (if applicable): Fedora 14 How reproducible: Steps to Reproduce: 1.run pm-suspend 2.press power button to resume 3. Actual results: Resume fails -> black screen Expected results: Additional info:
Created attachment 460938 [details] run pm_suspend --no-quirck from X
Created attachment 460939 [details] run pm_suspend from console
I have this problem with an Asus Maximus with a Core i7. This used to work well (along with pm-hibernate) before 3.2. If I wake this computer up from pm-suspend, it does an fsck as if the disks had been unmounted abruptly.
I was (naively) hoping that fixing https://bugzilla.redhat.com/show_bug.cgi?id=785384 would also fix my issues.
I have the same problem after 3.1.9 kernel (from 3.2). I suspend my MSI laptop, and when I try to wake up, the screen remain blank. Then I reset the machine, it stand up. After, when I logged in, automatically come in the screensaver and I must logged in again.
As far as failing to resume properly from pm-hibernate is concerned, this has been discussed in a number of bug-reports including bug #806315, and seems to be related to use of the i915 module (required for intel integrated graphics). I have a dell lattitude E6410 with core i5 processor and intel graphics and a desktop PC with core i5 processor and intel graphics, both running fedora 16. Both show (intermittent inability to complete resuming after pm-hibernate the default settings in /boot/grub2/grub.cfg However, I have found that resume after pm-hibernate always works provided that when resuming I have acpi=off in the kernel parameters (only when resuming, not when booting), as described in this comment https://bugzilla.redhat.com/show_bug.cgi?id=806315#c37 The scripts described there are now available here: http://www.cs.bham.ac.uk/~axs/laptop/hibernate-on-linux.html Suggestions for improvement welcome. I have no idea whether this method will work for resume from suspend. I never use suspend, only hibernate. There is no guarantee that my method will work for anyone else. I don't know why it works! It is not a satisfactory long term solution, but I have been using it without problems for a few months (multiple hibernates and resumes: e.g. uptime (since last reboot) on my PC is 39 days -- using hibernate at least once a day, and often two or three times in a day.
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