igt@kms_color_chamelium@pipe-b-ctm-0-75 - fail - Chamelium RPC call failed: RPC failed at server.*returned non-zero exit status -7

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_430/fi-icl-u2/igt@kms_color_chamelium@pipe-b-ctm-0-75.html

Starting subtest: pipe-B-ctm-0-75
(kms_color_chamelium:1332) igt_chamelium-CRITICAL: Test assertion failure function chamelium_rpc, file ../lib/igt_chamelium.c:349:
(kms_color_chamelium:1332) igt_chamelium-CRITICAL: Failed assertion: !chamelium->env.fault_occurred
(kms_color_chamelium:1332) igt_chamelium-CRITICAL: Chamelium RPC call failed: RPC failed at server.  <class 'subprocess.CalledProcessError'>:Command '['/usr/bin/pixeldump', '/tmp/tmpHyDiBh', '1920', '1080', '3', '-a', '3758096384']' returned non-zero exit status -7
Subtest pipe-B-ctm-0-75 failed.
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