https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6076/re-icl-u/igt@kms_chamelium@hdmi-crc-single.html Starting subtest: hdmi-crc-single Received signal SIGSEGV. Stack trace: #0 [fatal_sig_handler+0xd6] #1 [killpg+0x40] #2 [_dl_rtld_di_serinfo+0xb76] #3 [_dl_rtld_di_serinfo+0x165f] #4 [_dl_rtld_di_serinfo+0x2f69] #5 [_dl_find_dso_for_object+0xa7d] #6 [_dl_catch_exception+0x6f] #7 [_dl_find_dso_for_object+0x18a] #8 [_dl_mcount_wrapper_check+0x7d] #9 [_dl_catch_exception+0x6f] #10 [_dl_catch_error+0x2f] #11 [__libc_dlopen_mode+0x89] #12 [pthread_cancel_init+0x2b] #13 [pthread_cancel+0x20] #14 [chamelium_rpc+0x10f] #15 [chamelium_capture+0x44] #16 [do_test_display.constprop.25+0x17a] #17 [test_display_all_modes.constprop.23+0x101] #18 [__real_main1590+0x12b1] #19 [main+0x27] #20 [__libc_start_main+0xe7] #21 [_start+0x2a] Subtest hdmi-crc-single: CRASH (13.194s)
The CI Bug Log issue associated to this bug has been updated. ### New filters associated * CHAMELIUM: igt@kms_chamelium@hdmi-crc-single - crash - Received signal SIGSEGV. - https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6076/re-icl-u/igt@kms_chamelium@hdmi-crc-single.html
According to Imre this one is a bug in the test itself leading to the SIGSEGV. Something in the Chamelium RPC call. So not an issue the driver.
Moving to IGT to fix the test.
Hmm seems like an error in the chamelium wrappers. Specifically the call to pthread_cancel seems to be crashing. Need to figure out why, but shouldn't affect real users as this happens in the chamelium code.
Agreed that this is an IGT bug, not a driver bug. Just sent an IGT patch that attempts to fix the issue. User impact: the user might experience corrupted frames via HDMI. In other words: we don't check anymore that HDMI is properly working since this test is broken. Other CRC/frame tests aren't run after a crash (this is the first one).
This bug has only been seen once, 4 weeks ago.
Not seen for a month and a half. Still happened just once. Let's just close it, and re-open if it happens again.
Not seen on drm tip, so closing and archiving this.
The CI Bug Log issue associated to this bug has been archived. New failures matching the above filters will not be associated to this bug anymore.
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