[Bug 99912] [IGT] [KBL/BXT/SKL/HSW/BSW/IVB/SNB] kms_setmode at basic test fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99912

--- Comment #26 from Hector Velazquez <hector.franciscox.velazquez.suriano at intel.com> ---
This test are failing on CFL-S-1 QA

Tests List:

igt at kms_setmode@basic

====================================================
Output
====================================================
. . .
**** DEBUG ****
(kms_setmode:2716) INFO: Testing: basic 1 connector combinations
(kms_setmode:2716) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920,
height=1080, format=0x34325258, tiling=0x0, size=0)
(kms_setmode:2716) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=1,
pitch=7680)
(kms_setmode:2716) INFO:   Test id#1 CRTC count 1
(kms_setmode:2716) INFO:     CRTC[36] [Pipe A] Mode: 1920x1080 at 60Hz Connectors:
eDP-1[48]
(kms_setmode:2716) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920,
height=1080, format=0x34325258, tiling=0x0, size=0)
(kms_setmode:2716) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=2,
pitch=7680)
(kms_setmode:2716) INFO: Expected frametime: 16666us; measured 16666.4us +-
5.502us accuracy 0.10% [1.10 scanlines]
(kms_setmode:2716) CRITICAL: Test assertion failure function check_timings,
file kms_setmode.c:491:
(kms_setmode:2716) CRITICAL: Failed assertion: accuracy < line_time(kmode)
(kms_setmode:2716) CRITICAL: vblank accuracy (16.506us, 0.1%) worse than a
scanline (14.988us)
(kms_setmode:2716) igt-core-INFO: Stack trace:
(kms_setmode:2716) igt-core-INFO:   #0 [__igt_fail_assert+0x101]
(kms_setmode:2716) igt-core-INFO:   #1 [test_one_combination+0xd1a]
(kms_setmode:2716) igt-core-INFO:   #2 [main+0x4c6]
(kms_setmode:2716) igt-core-INFO:   #3 [__libc_start_main+0xf1]
(kms_setmode:2716) igt-core-INFO:   #4 [_start+0x29]
(kms_setmode:2716) igt-core-INFO:   #5 [<unknown>+0x29]
****  END  ****
. . .


This is my configuration:

======================================
        Graphic stack
======================================
Component: drm
    tag: libdrm-2.4.81-56-g7c71188
    commit: 7c71188610b4ceba0339c2bc884320bcb749adee

Component: cairo
    tag: 1.15.6-42-gdccbed7
    commit: dccbed7d78d32bd3b912e8810379451dd94e6a1f

Component: intel-gpu-tools
    tag: intel-gpu-tools-1.19-334-g2885b10
    commit: 2885b10f99b4beeb046e75af8b8488c229f629d3

Component: piglit
    tag: piglit-v1
    commit: e1f66fb2fb8ad781ca755831983b6662c4c440d4

======================================
             Software
======================================
kernel version              : 4.14.0-rc2-drm-tip-ww39-commit-85932e1+
hostname                    : CFL-S-1
architecture                : x86_64
os version                  : Ubuntu 16.10
os codename                 : yakkety
kernel driver               : i915
bios revision               : 104.3
bios release date           : 09/14/2017
ksc                         : 1.5
hardware acceleration       : disabled
swap partition              : enabled on (/dev/sda3
/dev/nvme0n1p3)

======================================
        Graphic drivers
======================================
libdrm                      : 2.4.83
cairo                       : 1.15.9
intel-gpu-tools (tag)       : intel-gpu-tools-1.19-334-g2885b10
intel-gpu-tools (commit)    : 2885b10

======================================
             Hardware
======================================
motherboard model          : CoffeeLakeClientPlatform
motherboard id             : CoffeeLakeSUDIMMRVP
form factor                : Desktop
manufacturer               : IntelCorporation
cpu family                 : Other
cpu family id              : 6
cpu information            : Genuine Intel(R) CPU 0000 @ 3.60GHz
gpu card                   : Intel Corporation Device 3e92 (prog-if 00 [VGA
controller])
memory ram                 : 15.58 GB
max memory ram             : 32 GB
cpu thread                 : 12
cpu core                   : 6
cpu model                  : 158
cpu stepping               : 10
socket                     : Other
hard drive                 : 111GiB (120GB)
current cd clock frequency : 337500 kHz
maximum cd clock frequency : 675000 kHz
displays connected         : eDP-1 DP-1

======================================
             Firmware
======================================
dmc fw loaded             : yes
dmc version               : 1.1
guc fw loaded             : SUCCESS
guc version wanted        : 9.14
guc version found         : 9.14

======================================
             kernel parameters
======================================
quiet drm.debug=0xe pci=pcie_bus_safe intel_iommu=igfx_off auto panic=1
nmi_watchdog=panic i915.alpha_support=1 i915.enable_guc_loading=2
i915.enable_guc_submission=2 resume=/dev/sda3 fastboot

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