suspend - Ubuntu 16.10 won't wake up after suspending - Ask Ubuntu


i updated 16.10, after suspending computer, can't seem manage wake again, screen black , nothing happens after quick press power button or other button matter. thing seems work hard reboot. read somewhere suspending , hibernating might hardware problem, able suspend before 16.10, seems me problem lies in latest update.

(never tried hibernating before update, doesn't work, might hardware issue instead , i'm not concerned atm.)

another similar question earlier version problem asked pm-suspend.log, sudo lspci -vnn | grep -a12 vga" , "cat /proc/cmdline", i'm going attach these here well.

pm-suspend.log: http://paste.ubuntu.com/23441649/

## sudo lspci -vnn | grep -a12 vga: ##  00:02.0 vga compatible controller [0300]: intel corporation 2nd generation >core processor family integrated graphics controller [8086:0126] (rev 09) >(prog-if 00 [vga controller])    subsystem: asustek computer inc. 2nd generation core processor family >integrated graphics controller [1043:1652]   flags: bus master, fast devsel, latency 0, irq 36   memory @ dc400000 (64-bit, non-prefetchable) [size=4m]     memory @ b0000000 (64-bit, prefetchable) [size=256m]   i/o ports @ e000 [size=64]     [virtual] expansion rom @ 000c0000 [disabled] [size=128k]  capabilities: [90] msi: enable+ count=1/1 maskable- 64bit-  capabilities: [d0] power management version 2   capabilities: [a4] pci advanced features    kernel driver in use: i915  kernel modules: i915  -- 01:00.0 vga compatible controller [0300]: nvidia corporation gf119m >[geforce 610m] [10de:1058] (rev a1) (prog-if 00 [vga controller])   subsystem: asustek computer inc. geforce gt 610m [1043:1652]    flags: bus master, fast devsel, latency 0, irq 35   memory @ db000000 (32-bit, non-prefetchable) [size=16m]    memory @ c0000000 (64-bit, prefetchable) [size=128m]   memory @ c8000000 (64-bit, prefetchable) [size=32m]    i/o ports @ d000 [size=128]    expansion rom @ dc000000 [disabled] [size=512k]    capabilities: [60] power management version 3   capabilities: [68] msi: enable+ count=1/1 maskable- 64bit+  capabilities: [78] express endpoint, msi 00     capabilities: [b4] vendor specific information: len=14 <?>  capabilities: [100] virtual channel  cat /proc/cmdline:  boot_image=/boot/vmlinuz-4.8.0-26-generic.efi.signed root=uuid=88dbba55-7c41-4022-bc06-5e7b0c3e6413 ro quiet splash vt.handoff=7 

this discovered on 2 computers, 1 ubuntu 14.04 , 16.04. if there drive installed not enabled in cmos settings or if there drive or device missing unit , enabled in cmos ubuntu not recover suspend. have no idea why happens both computers not recover. 1 had sata drive installed , not enabled in cmos while other had optical device enabled not installed. fixing cmos settings in both instances fixed problem.


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