igt@kms_concurrent@pipe-b - fail - child \d died with signal \d+, Segmentation fault, Received signal SIGSEGV.

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5540/shard-hsw7/igt@kms_concurrent@pipe-b.html

IGT-Version: 1.25-g455faec68 (x86_64) (Linux: 5.6.0-rc7-CI-CI_DRM_8199+ x86_64)
Starting subtest: pipe-B
Testing resolution with connector VGA-1 using pipe B with seed 1585307084
child 0 died with signal 11, Segmentation fault
Subtest pipe-B: FAIL (0.330s)
Test requirement not met in function run_tests_for_pipe, file ../tests/kms_concurrent.c:329:
Test requirement: !(pipe >= data->display.n_pipes)
Test requirement not met in function run_tests_for_pipe, file ../tests/kms_concurrent.c:329:
Test requirement: !(pipe >= data->display.n_pipes)
Test requirement not met in function run_tests_for_pipe, file ../tests/kms_concurrent.c:329:
Test requirement: !(pipe >= data->display.n_pipes)

Starting subtest: pipe-B
Received signal SIGSEGV.
Stack trace: 
 #0 [fatal_sig_handler+0xd6]
 #1 [killpg+0x40]
 #2 [__libc_malloc+0x197]
 #3 [__strdup+0x1a]
 #4 [igt_vlog+0x238]
 #5 [igt_display_log+0xf6]
 #6 [igt_fb_set_position+0x46]
 #7 [igt_plane_set_fb+0xa1]
 #8 [prepare_planes.constprop.12+0x39b]
 #9 [run_tests_for_pipe.constprop.7+0x59f]
 #10 [__real_main386+0x5d]
 #11 [main+0x39]
 #12 [__libc_start_main+0xe7]
 #13 [_start+0x2a]
Subtest pipe-B failed.
````