This test also fail on GLK QA

Tests List:

igt@kms_flip@2x-vblank-vs-suspend
igt@kms_flip@2x-vblank-vs-suspend-interruptible
igt@kms_flip@vblank-vs-suspend
igt@kms_flip@vblank-vs-suspend-interruptible


====================================================
Output
====================================================
. . .
**** DEBUG ****
(kms_flip:1862) DEBUG: Test requirement passed: (flags & TEST_HANG) == 0 || !is_wedged(drm_fd)
(kms_flip:1862) DEBUG: Test requirement passed: modes
(kms_flip:1862) INFO: Beginning 2x-vblank-vs-suspend on pipe A:B, connector eDP-1:DP-1
(kms_flip:1862) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080, format=0x34325258, tiling=0x0, size=0)
(kms_flip:1862) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=7680)
(kms_flip:1862) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080, format=0x34325258, tiling=0x0, size=0)
(kms_flip:1862) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=3, pitch=7680)
(kms_flip:1862) igt-kms-INFO:   1920x1080 60 1920 1936 1952 2104 1080 1083 1097 1116 0xa 0x48 141000
(kms_flip:1862) igt-kms-INFO:   1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0xa 0x40 148500
(kms_flip:1862) igt-core-DEBUG: Test requirement passed: !igt_run_in_simulation()
(kms_flip:1862) igt-aux-DEBUG: Test requirement passed: (power_dir = open("/sys/power", O_RDONLY)) >= 0
(kms_flip:1862) igt-aux-DEBUG: Test requirement passed: get_supported_suspend_states(power_dir) & (1 << state)
(kms_flip:1862) igt-aux-DEBUG: Test requirement passed: test == SUSPEND_TEST_NONE || faccessat(power_dir, "pm_test", R_OK | W_OK, 0) == 0
(kms_flip:1862) igt-aux-DEBUG: Test requirement passed: ret == 0
(kms_flip:1862) igt-aux-CRITICAL: Test assertion failure function suspend_via_rtcwake, file igt_aux.c:769:
(kms_flip:1862) igt-aux-CRITICAL: Failed assertion: ret == 0
(kms_flip:1862) igt-aux-CRITICAL: Last errno: 25, Inappropriate ioctl for device
(kms_flip:1862) igt-aux-CRITICAL: rtcwake failed with 256
Check dmesg for further details.
(kms_flip:1862) igt-core-INFO: Stack trace:
(kms_flip:1862) igt-core-INFO:   #0 [__igt_fail_assert+0x101]
(kms_flip:1862) igt-core-INFO:   #1 [igt_system_suspend_autoresume+0x5ae]
(kms_flip:1862) igt-core-INFO:   #2 [<unknown>+0x5ae]
(kms_flip:1862) igt-core-INFO:   #3 [<unknown>+0x5ae]
****  END  ****
. . .

This is my configuration:

====================================================
Graphic Stack
====================================================
Component: drm
    tag: libdrm-2.4.81-55-g76418c2
    commit: 76418c244d4c52a8dd20809e3e8b4e70501fc76f

Component: cairo
    tag: 1.15.6-38-g1220e3c
    commit: 1220e3c6b8f94a00ac7afee15f21e6782655d97c

Component: intel-gpu-tools
    tag: intel-gpu-tools-1.19-312-gda197b5
    commit: da197b5f3cb516aaaea72d0d60b0f5c1c81081dd

Component: piglit
    tag: piglit-v1
    commit: 2753955998d7deb90f681cf4cb1253c4519dfd1d


======================================
             Software
======================================
kernel version              : 4.14.0-rc1-drm-tip-ww38-commit-ab2e3a0+
hostname                    : gfx-desktop
architecture                : x86_64
os version                  : Ubuntu 16.10
os codename                 : yakkety
kernel driver               : i915
bios revision               : 62.30
bios release date           : 08/22/2017
ksc                         : 1.48
hardware acceleration       : disabled
swap partition              : enabled on (/dev/sda3)

======================================
        Graphic drivers
======================================
grep: /opt/X11R7/var/log/Xorg.0.log: No such file or directory
libdrm                      : 2.4.83
cairo                       : 1.15.9
intel-gpu-tools (tag)       : intel-gpu-tools-1.19-312-gda197b5
intel-gpu-tools (commit)    : da197b5

======================================
             Hardware
======================================
platform                   : Geminilake
motherboard model          : Geminilake
motherboard id             : GLKRVP1DDR4(05)
form factor                : Hand Held
manufacturer               : IntelCorp.
cpu family                 : Pentium
cpu family id              : 6
cpu information            : Intel(R) Pentium(R) Silver J5005 CPU @ 1.50GHz
gpu card                   : Intel Corporation Device 3184 (rev 03) (prog-if 00 [VGA controller])
memory ram                 : 7.6 GB
max memory ram             : 16 GB
cpu thread                 : 4
cpu core                   : 4
cpu model                  : 122
cpu stepping               : 1
socket                     : Other
signature                  : Type 0, Family 6, Model 122, Stepping 1
hard drive                 : 111GiB (120GB)
current cd clock frequency : 316800 kHz
maximum cd clock frequency : 316800 kHz
displays connected         : eDP-1 DP-1 HDMI-A-2

======================================
             Firmware
======================================
dmc fw loaded             : yes
dmc version               : 1.4
guc fw loaded             : SUCCESS
guc version wanted        : 10.56
guc version found         : 10.56
huc fw loaded             : yes

======================================
             kernel parameters
======================================
quiet splash drm.debug=0xe i915.enable_guc_submission=2 i915.enable_guc_loading=2 i915.alpha_support=1 resume=/dev/sda3

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Dmesg 1/4

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Dmesg 2/4

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Dmesg 4/4

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Dmesg

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Kernel

Again, no indication as to why rtcwake failed, you should investigate s3/s4 without i915 first.

This issue haven't seen again, though tests still fails with issue from bug 102662. Closing case.