Bug 109520 - [CI][DRMTIP] igt@kms_chamelium@hdmi-hpd-storm - fail - Failed assertion: igt_hpd_storm_detected(data->drm_fd)
Summary: [CI][DRMTIP] igt@kms_chamelium@hdmi-hpd-storm - fail - Failed assertion: igt_...
Status: NEW
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard: Triaged, ReadyForDev
Keywords:
Depends on:
Blocks:
 
Reported: 2019-01-31 15:13 UTC by Lakshmi
Modified: 2019-08-16 14:01 UTC (History)
1 user (show)

See Also:
i915 platform: KBL
i915 features: display/HDMI


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Description Lakshmi 2019-01-31 15:13:59 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_202/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-storm.html

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_202/fi-kbl-7567u/igt@kms_chamelium@hdmi-hpd-storm.html

Starting subtest: hdmi-hpd-storm
(kms_chamelium:2739) CRITICAL: Test assertion failure function test_hpd_storm_detect, file ../tests/kms_chamelium.c:752:
(kms_chamelium:2739) CRITICAL: Failed assertion: igt_hpd_storm_detected(data->drm_fd)
Subtest hdmi-hpd-storm failed.
**** DEBUG ****
(kms_chamelium:2739) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(kms_chamelium:2739) igt_debugfs-DEBUG: Test requirement passed: fd > 0
(kms_chamelium:2739) igt_chamelium-DEBUG: Resetting the chamelium
(kms_chamelium:2739) DEBUG: Waiting for DP-2 to disconnect...
(kms_chamelium:2739) DEBUG: Reprobing DP-2...
(kms_chamelium:2739) DEBUG: Reprobing DP-2...
(kms_chamelium:2739) DEBUG: Reprobing DP-2...
(kms_chamelium:2739) DEBUG: Reprobing DP-2...
(kms_chamelium:2739) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(kms_chamelium:2739) igt_debugfs-DEBUG: Setting HPD storm threshold to 1
(kms_chamelium:2739) igt_chamelium-DEBUG: Firing 10 HPD pulses with width of 200 msec on DP-2
(kms_chamelium:2739) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(kms_chamelium:2739) CRITICAL: Test assertion failure function test_hpd_storm_detect, file ../tests/kms_chamelium.c:752:
(kms_chamelium:2739) CRITICAL: Failed assertion: igt_hpd_storm_detected(data->drm_fd)
(kms_chamelium:2739) igt_core-INFO: Stack trace:
(kms_chamelium:2739) igt_core-INFO:   #0 ../lib/igt_core.c:1474 __igt_fail_assert()
(kms_chamelium:2739) igt_core-INFO:   #1 ../tests/kms_chamelium.c:754 test_hpd_storm_detect()
(kms_chamelium:2739) igt_core-INFO:   #2 ../tests/kms_chamelium.c:923 __real_main796()
(kms_chamelium:2739) igt_core-INFO:   #3 ../tests/kms_chamelium.c:796 main()
(kms_chamelium:2739) igt_core-INFO:   #4 ../csu/libc-start.c:344 __libc_start_main()
(kms_chamelium:2739) igt_core-INFO:   #5 [_start+0x2a]
****  END  ****
Subtest hdmi-hpd-storm: FAIL (3.251s)
Comment 1 CI Bug Log 2019-01-31 15:17:38 UTC
The CI Bug Log issue associated to this bug has been updated.

### New filters associated

* KBL: igt@kms_chamelium@hdmi-hpd-storm - Fail - Failed assertion: igt_hpd_storm_detected(data->drm_fd) 
  - https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_202/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-storm.html
  - https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_202/fi-kbl-7567u/igt@kms_chamelium@hdmi-hpd-storm.html
Comment 2 emersion 2019-08-16 14:01:00 UTC
Only affects two KBL machines. Hit every few days.

This test always fails on KBL. It always passes on other platforms.

User impact: a bad cable can make a screen unusable.


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