[Bug 96226] [IGT] [BXT-P] some pm_rpm subtests causes [i915]] *ERROR* CPU pipe B/C FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96226

--- Comment #1 from Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez at intel.com> ---
sorry, the correct test output is


test output 
===============================================
IGT-Version: 1.14-gcce2ff0 (x86_64) (Linux:
4.6.0-rc7-drm-intel-nightly-ww20-commit-5528ede+ x86_64)
(pm_rpm:1586) drmtest-DEBUG: Test requirement passed: fd >= 0
(pm_rpm:1586) drmtest-DEBUG: Test requirement passed: fd >= 0
(pm_rpm:1586) drmtest-DEBUG: Test requirement passed: drmSetMaster(fd) == 0
(pm_rpm:1586) igt-kms-DEBUG: VT: graphics mode set (mode was 0x0)
(pm_rpm:1586) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080,
format=0x34325258, tiling=0x0, size=0)
(pm_rpm:1586) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=1, pitch=7680)
(pm_rpm:1586) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080,
format=0x34325258, tiling=0x0, size=0)
(pm_rpm:1586) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=7680)
Runtime PM support: 1
PC8 residency support: 0
(pm_rpm:1586) DEBUG: Test requirement passed: has_runtime_pm
(pm_rpm:1586) igt-core-DEBUG: Starting subtest: gem-pread
(pm_rpm:1586) DEBUG: Test requirement passed: enable_one_screen_with_type(data,
SCREEN_TYPE_ANY)
(pm_rpm:1586) CRITICAL: Test assertion failure function gem_pread_subtest, file
pm_rpm.c:1045:
(pm_rpm:1586) CRITICAL: Failed assertion: wait_for_suspended()
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [main+0x21c1]
  #2 [__libc_start_main+0xf0]
  #3 [_start+0x29]
  #4 [<unknown>+0x29]
Subtest gem-pread failed.
**** DEBUG ****
(pm_rpm:1586) DEBUG: Test requirement passed: enable_one_screen_with_type(data,
SCREEN_TYPE_ANY)
(pm_rpm:1586) CRITICAL: Test assertion failure function gem_pread_subtest, file
pm_rpm.c:1045:
(pm_rpm:1586) CRITICAL: Failed assertion: wait_for_suspended()
****  END  ****
Subtest gem-pread: FAIL (10.702s)
(pm_rpm:1586) igt-core-DEBUG: Exiting with status code 99
(pm_rpm:1586) igt-kms-DEBUG: VT: original mode 0x0 restored

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