[Bug 103079] [IGT] prime_vgem at coherency-gtt Failed assertion: gtt[1024*i] == ~i

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103079

--- Comment #1 from Hector Velazquez <hector.franciscox.velazquez.suriano at intel.com> ---
Tests List:

igt at prime_vgem@coherency-gtt


====================================================
Output Sample
====================================================
. . .
**** DEBUG ****
(prime_vgem:8861) CRITICAL: Test assertion failure function
test_gtt_interleaved, file prime_vgem.c:273:
(prime_vgem:8861) CRITICAL: Failed assertion: gtt[1024*i] == ~i
(prime_vgem:8861) CRITICAL: error: 0 != -1
(prime_vgem:8861) igt-core-INFO: Stack trace:
(prime_vgem:8861) igt-core-INFO:   #0 [__igt_fail_assert+0x101]
(prime_vgem:8861) igt-core-INFO:   #1 [__real_main757+0xce6]
(prime_vgem:8861) igt-core-INFO:   #2 [<unknown>+0xce6]
****  END  ****
. . .


This is my configuration:

======================================
        Graphic stack
======================================
Component: drm
    tag: libdrm-2.4.81-57-g1dd84e0
    commit: 1dd84e01a972b1759839a7326009be24ab3e6de2

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

Component: intel-gpu-tools
    tag: intel-gpu-tools-1.19-357-g1e99f8b
    commit: 1e99f8b8d2563d7f5c4e82932bab15abc5eacaef

Component: piglit
    tag: piglit-v1
    commit: 5aa6eea37f44f818632a3dad4c1a7478085bd56d


======================================
             Software
======================================
kernel version              : 4.14.0-rc3-drm-tip-ww40-commit-2f14e31+
hostname                    : GLK-1-GLKRVP1DDR405
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                         : 1.41
hardware acceleration       : disabled
swap partition              : enabled on (/dev/sda3)

======================================
        Graphic drivers
======================================
libdrm                      : 2.4.83
cairo                       : 1.15.9
intel-gpu-tools (tag)       : intel-gpu-tools-1.19-357-g1e99f8b
intel-gpu-tools (commit)    : 1e99f8b

======================================
             Hardware
======================================
platform                   : Geminilake
motherboard model          : Geminilake
motherboard id             : GLKRVP1DDR4(05)
form factor                : Hand Held
manufacturer               : IntelCorp.
cpu family                 : Other
cpu family id              : 6
cpu information            : Genuine Intel(R) CPU @ 1.10GHz
gpu card                   : Intel Corporation Device 3185 (rev 03) (prog-if 00
[VGA controller])
memory ram                 : 7.64 GB
max memory ram             : 16 GB
cpu thread                 : 2
cpu core                   : 2
cpu model                  : 122
cpu stepping               : 1
socket                     : Other
hard drive                 : 223GiB (240GB)
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

======================================
             kernel parameters
======================================
quiet drm.debug=0x1e 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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