On ASUS EeePC 1015PE with the kernel 3.18 and newer (at least up to 4.2-rc6 inclusive), there is a problem very similar to the one fixed for Lenovo by the following commit in the mainline kernel: commit ab3be73fa7b43f4c3648ce29b5fd649ea54d3adb drm/i915: gen4: work around hang during hibernation The laptop has Atom CPU N455 and an integrated graphics controller (PCI ID: 8086-a011-1043-83ac) managed by i915 module. When I try to put the system to hibernation, the hibernation image is created, the screen turns off but the laptop does not turn off after that (the fan continues to work, the leds are on, etc.) and the system seems to hang. Bisection of the mainline git tree pointed to the same "bad" commit as it was for Lenovo: commit da2bc1b9db3351addd293e5b82757efe1f77ed1d drm/i915: add poweroff_late handler If I revert that change, hibernation works well. Detailed information about the hardware, as well as dmidecode, logs and other data is available here: http://hw.rosalinux.ru/index.php?probe=1c0329fde5
Created attachment 117653 [details] The patch to fix the problem Here is a patch that fixes that problem on EeePC 1015PE. The patch was created w.r.t. the mainline kernel, version 4.2-rc6.
There is the following workaround which should also cover your machine: http://lists.freedesktop.org/archives/intel-gfx/2015-June/070222.html The above patch is ready to be merged from my POV, Jani could you apply it?
(In reply to Imre Deak from comment #2) > There is the following workaround which should also cover your machine: > http://lists.freedesktop.org/archives/intel-gfx/2015-June/070222.html Yes, that should do it. Thanks a lot!
Presumed fixed by commit 54875571bbfde00fc63741715c531cbb5246c3b2 Author: Imre Deak <imre.deak@intel.com> Date: Tue Jun 30 17:06:47 2015 +0300 drm/i915: apply the PCI_D0/D3 hibernation workaround everywhere on pre GEN6 in drm-intel-next-fixes.
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