[Bug 81704] [BYT Bisected]igt/kms_pipe_crc_basic causes system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81704

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED

--- Comment #4 from Guo Jinxian <jinxianx.guo at intel.com> ---
This failure unable to reproduce on latest
-nightly(2b1159961e4bc38a9090f8ec0ab6f16701dbdf81)

root at x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./kms_pipe_crc_basic
IGT-Version: 1.7-gf473a55 (x86_64) (Linux:
3.17.0-rc2_drm-intel-nightly_2b1159_20140903+ x86_64)
Subtest bad-pipe: SUCCESS
Subtest bad-source: SUCCESS
Subtest bad-nb-words-1: SUCCESS
Subtest bad-nb-words-3: SUCCESS
read-crc-pipe-A: Testing connector eDP-1 using pipe A
read-crc-pipe-A: Testing connector VGA-1 using pipe A
Subtest read-crc-pipe-A: SUCCESS
read-crc-pipe-A-frame-sequence: Testing connector eDP-1 using pipe A
read-crc-pipe-A-frame-sequence: Testing connector VGA-1 using pipe A
Subtest read-crc-pipe-A-frame-sequence: SUCCESS
rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Wed Sep  3 21:24:13 2014
suspend-read-crc-pipe-A: Testing connector eDP-1 using pipe A
suspend-read-crc-pipe-A: Testing connector VGA-1 using pipe A
Subtest suspend-read-crc-pipe-A: SUCCESS
hang-read-crc-pipe-A: Testing connector eDP-1 using pipe A
hang-read-crc-pipe-A: Testing connector VGA-1 using pipe A
Subtest hang-read-crc-pipe-A: SUCCESS
read-crc-pipe-B: Testing connector eDP-1 using pipe B
read-crc-pipe-B: Testing connector VGA-1 using pipe B
Subtest read-crc-pipe-B: SUCCESS
read-crc-pipe-B-frame-sequence: Testing connector eDP-1 using pipe B
read-crc-pipe-B-frame-sequence: Testing connector VGA-1 using pipe B
Subtest read-crc-pipe-B-frame-sequence: SUCCESS
rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Wed Sep  3 21:25:24 2014
suspend-read-crc-pipe-B: Testing connector eDP-1 using pipe B
Test assertion failure function igt_wait_for_vblank, file igt_kms.c:1589:
Failed assertion: drmWaitVBlank(drm_fd, &wait_vbl) == 0
Last errno: 16, Device or resource busy
Subtest suspend-read-crc-pipe-B: FAIL
hang-read-crc-pipe-B: Testing connector eDP-1 using pipe B
Test assertion failure function igt_wait_for_vblank, file igt_kms.c:1589:
Failed assertion: drmWaitVBlank(drm_fd, &wait_vbl) == 0
Last errno: 16, Device or resource busy
Subtest hang-read-crc-pipe-B: FAIL
Test requirement not met in function test_read_crc, file
kms_pipe_crc_basic.c:211:
Test requirement: !(pipe >= data->display.n_pipes)
Last errno: 16, Device or resource busy
Subtest read-crc-pipe-C: SKIP
Test requirement not met in function test_read_crc, file
kms_pipe_crc_basic.c:211:
Test requirement: !(pipe >= data->display.n_pipes)
Last errno: 16, Device or resource busy
Subtest read-crc-pipe-C-frame-sequence: SKIP
rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Wed Sep  3 21:26:17 2014
Test requirement not met in function test_read_crc, file
kms_pipe_crc_basic.c:211:
Test requirement: !(pipe >= data->display.n_pipes)
Last errno: 16, Device or resource busy
Subtest suspend-read-crc-pipe-C: SKIP
Test requirement not met in function test_read_crc, file
kms_pipe_crc_basic.c:211:
Test requirement: !(pipe >= data->display.n_pipes)
Subtest hang-read-crc-pipe-C: SKIP

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