Created attachment 116437 [details] Kernel configuration Setup ----- BAY TRAIL M /Notebook ACER Aspire ES1-512 Hardware Platform: Aspire ES1-512 (ACER) - Notebook Processor Family : ATOM CPU Type: Intel(R) Celeron(R) CPU N2840 @ 2.16GHz Signature : Type , Family: 6, Model: 55, stepping: 8 (SoC : VLV2 C0) Software Linux distribution: Ubuntu 14.04 LTS 64 bits ( Window 8.1 dual Boot) Kernel: 4.1.0-rc4 drm-intel-testing-2015-05-22 BIOS : v1.09 Mesa: mesa-10.6.0-rc3 Xf86_video_intel: 2.99.917 Libdrm: libdrm-2.4.60 Cairo: 1.14.2 Xserver: xorg-server-1.17.1 Reproduce steps: ---------------- 1. Boot in text mode 2. Login as user (not root) and execute command: sudo startx 3. Launch Terminal with Ctrl + Alt + T 4. Suspend to DISK with command: echo disk > /sys/power/state 6. Wait a moment and resume with keyboard 7. Wait a moment Actual result: --------------- 7. Image is restored. Terminal is displayed without new prompt. After several seconds we go back to 1st virtual terminal. Message indicates that connection to x server is lost Expected result: ---------------- 7. DUT successfully resume from S4 Info: ------ Tested for the first time on Notebook ACER Aspire ES1-512 Similar to https://bugs.freedesktop.org/show_bug.cgi?id=90468 Also reproduced with following steps: 1. Boot in text mode with HDMI screen connected 2. Login as user (not root) and execute command: sudo startx 3. Launch Terminal with Ctrl + Alt + T 4. Execute command: xrandr --output HDMI1 --rotation left 4. Unplug-plug HDMI cable 5. Suspend to RAM with command: echo mem > /sys/power/state 6. Resume with keyboard 7. Unplug-plug HDMI cable 8. Execute command: xrandr --output HDMI1 --rotation right 9. Unplug-plug HDMI cable 10. Suspend to RAM with command: echo mem > /sys/power/state
Created attachment 116438 [details] kern.log
Please ignore the section "Also reproduced with following steps:". This is a wrong copy/paste. Sorry!
Jun 11 16:28:31 BYTM kernel: [ 186.879813] [drm] GPU HANG: ecode 7:0:0x75d65370, in compiz [2815], reason: Ring hung, action: reset Jun 11 16:28:31 BYTM kernel: [ 186.880089] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. Jun 11 16:28:31 BYTM kernel: [ 186.880093] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel Jun 11 16:28:31 BYTM kernel: [ 186.880097] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. Jun 11 16:28:31 BYTM kernel: [ 186.880100] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. Jun 11 16:28:31 BYTM kernel: [ 186.880103] [drm] GPU crash dump saved to /sys/class/drm/card0/error Please attach the GPU crash dump.
The mentioned test is working without problems BYT environment: Baytrail-M Hardware Platform: Toshiba Satellite C55t Processor Intel(R) Celeron(R) CPU N2820 @ 2.13GHz Software Linux distribution: Ubuntu 15.10 LTS 64Bits BIOS: 1.10 kernel: 4.4.0-rc6-drm-intel-nightly-2015-10-10 commit 0417da5e6f56078d87d366d5f959f8290ae9d16d IGT= intel-gpu-tools-1.13 Cairo=1.15.2 Intel-Driver= 1.6.2.pre2 xf86= 2.99.917-524-g8e98751 libva=libva-1.6.2.pre3 xorg-server=xorg-server-1.18.0 drm=libdrm-2.4.65 mesa=mesa-11.1.0
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