Thinkpads Forum

Hi-

I recently bought a T520 and have been getting to know it and Debian (I am a Linux newbie). The sleep mode (suspend to ram) does not appear to work properly. When I press FN-F4 it will go to sleep, and when I press the FN key alone it will wake up, but only partly. Everything that was on the screen reappears, and the mouse arrow pointer works in that I can move it around and it changes shape to indicate a link or a border, etc. But the pointer won't actually activate anything, not links, not window selection, nothing. And of course the keyboard doesn't work. The only thing I can do is force a power down by holding the power button down for 5 seconds.

I've read quite a few pages on the Internet but most people seem to say that the T520 and sleep mode works right out of the box. I must say that I have been playing around with compiling the kernel (I'm running 3.1.0-rc1) so I wonder if I may have deselected something in the kernel that was needed? I doubt it, but I thought I should mention it.

I haven't made any changes to the X system, which I know nothing about. I did look and I don't have a xorg.conf file or an .xinitrc file that some people refer to. Ctrl-Alt-Backspace does nothing. I am using the standard gnome package, AFAIK.

I am using an SSD, 4 GB RAM, onboard Intel graphics only, and a standard MBR boot system, in case that matters.

I'd appreciate any help that you could offer. Thanks, Keith.

The symptoms sound similar to what happened to me when my X server crashed when using Gnome's Network Manager in Mageia 1 KDE on my X220. I pretty much could only click on shutdown and have something happen. I could not open any apps even though I could get to them in the menu.

Yea, except I can't even pull down any menus.

I forgot to say- If I push FN-F12, the hibernate key combination, I get a pop-up window with the error message: Failed to suspend, Computer failed to suspend. Failure was reported as: Cannot hibernate.

Keith

Also, if I do a

dmesg | grep fail

I get the following:

keith@t520:~$ dmesg | grep fail
[ 0.008258] Not enabling x2apic, Intr-remapping init failed.
[ 0.586514] pci0000:00: ACPI _OSC request failed (AE_SUPPORT), returned control mask: 0x0d
[ 4.791920] [drm] MTRR allocation failed. Graphics performance may suffer.


But I haven't figured out, through Internet searches, what these actually mean or if they are relevant to my problem.

I suspend and resume fine here in Fedora 15 on my X220.

If you have switchable or discrete graphics (nvidia gpu), that might be an issue. I have only Intel graphics on my X220. It is possible you need a newer kernel or certain kernel options in your boot line in grub.conf (or menu.lst).