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[kacernator <kacernator@xxxxxxxx>]

Public bug reported:

My computer suspends without problem. Executing suspend (sleep to ram)
from mate-menu --> shutdown --> sleep to ram. When I resume, the screen
stays black, but computer seems to be running fine. With "nomodeset",
screen after resume was not black but corrupted. I have tried the method
with "magic number" and I attached the file with dmesg output, where you
can find the magic number and corresponding hash match.


System:    Host: standa-Amilo-A1667G-Series Kernel: 3.16.0-38-generic i686 (32 bit, gcc: 4.8.2) 
           Desktop: MATE 1.10.0  Distro: Linux Mint 17.2 Rafaela
Machine:   System: FUJITSU SIEMENS product: Amilo A1667G Series
           Mobo: N/A model: P50CA Bios: American Megatrends version: 1.06C date: 01/13/2006
CPU:       Single core AMD Turion 64 Mobile ML-34 (-UP-) cache: 1024 KB flags: (lm nx pae sse sse2 sse3) bmips: 1599.98 clocked at 800.00 MHz 
Graphics:  Card: Advanced Micro Devices [AMD/ATI] RV410/M26 [Mobility Radeon X700] bus-ID: 02:00.0 
           X.Org: 1.15.1 drivers: ati,radeon (unloaded: fbdev,vesa) Resolution: 1280x800@60.1hz 
           GLX Renderer: Gallium 0.4 on ATI RV410 GLX Version: 2.1 Mesa 10.1.3 Direct Rendering: Yes
Audio:     Card: VIA VT8233/A/8235/8237 AC97 Audio Controller driver: snd_via82xx port: c800 bus-ID: 00:11.5 
           Sound: Advanced Linux Sound Architecture ver: k3.16.0-38-generic
Network:   Card-1: Broadcom BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller driver: b43-pci-bridge bus-ID: 00:0a.0
           IF: wlan0 state: down mac: 00:14:a5:41:55:36
           Card-2: Realtek RTL8169 PCI Gigabit Ethernet Controller driver: r8169 ver: 2.3LK-NAPI port: e800 bus-ID: 00:09.0
           IF: eth0 state: up speed: 100 Mbps duplex: full mac: 00:03:0d:38:d9:70
Drives:    HDD Total Size: 80.0GB (29.4% used) 1: id: /dev/sda model: Hitachi_HTS54168 size: 80.0GB temp: 40C 
Partition: ID: / size: 14G used: 5.8G (45%) fs: ext4 ID: /home size: 58G used: 17G (30%) fs: ext4 
           ID: swap-1 size: 2.00GB used: 0.00GB (0%) fs: swap 
RAID:      No RAID devices detected - /proc/mdstat and md_mod kernel raid module present
Sensors:   System Temperatures: cpu: 50.0C mobo: N/A 
           Fan Speeds (in rpm): cpu: N/A 
Info:      Processes: 141 Uptime: 9 min Memory: 425.2/1003.5MB Runlevel: 2 Gcc sys: 4.8.4 
           Client: Shell (bash 4.3.11) inxi: 1.9.17

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: black resume screen suspend

** Attachment added: "magic number after non working resume"
   https://bugs.launchpad.net/bugs/1478263/+attachment/4434042/+files/dmesg-magic_number.txt

** Package changed: xubuntu-default-settings (Ubuntu) => ubuntu

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https://bugs.launchpad.net/bugs/1478263

Title:
  Black screen after resume

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