Chrome Version: 66.0.3359.26
OS: 10452.7.0

Dashboard:
https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/testDetails?milestone=66&daysBack=30&testName=video_WebRtcMediaRecorder

Failure:
http://ubercautotest.corp.google.com/tko/retrieve_logs.cgi?job=//results/182610760-chromeos-test/chromeos6-row1-rack9-host5

2018-03-11T03:27:49.284038-07:00 INFO kernel: [  388.536428] Compositor[12550]: segfault at 1d0 ip 00007feb3f1c0204 sp 00007feb328ec020 error 4
2018-03-11T03:27:49.299242-07:00 INFO session_manager[12188]: [INFO:policy_service.cc(189)] Persisted policy key to disk.
2018-03-11T03:27:49.305426-07:00 INFO crash_reporter[12558]: libminijail[12558]: mount /dev/log -> /dev/log type ''
2018-03-11T03:27:49.308836-07:00 INFO session_manager[12188]: [INFO:policy_store.cc(89)] Persisted policy to disk, path: /var/lib/whitelist/policy.1
2018-03-11T03:27:49.323266-07:00 WARNING crash_reporter[12558]: [user] Received crash notification for chrome[12537] sig 11, user 1000 (developer build - not testing - always dumping)
2018-03-11T03:27:49.328302-07:00 INFO crash_reporter[12558]: State of crashed process [12537]: D (disk sleep)
2018-03-11T03:27:49.540577-07:00 INFO session_manager[12188]: [INFO:child_exit_handler.cc(77)] Handling 12559 exit.
2018-03-11T03:27:49.560043-07:00 INFO kernel: [  388.812072] tpm_tis tpm_tis: command 0x1e (size 274) returned code 0x0
2018-03-11T03:27:49.559524-07:00 WARNING cryptohomed[1068]: RemoveKeyset: key to remove not found
2018-03-11T03:27:49.575555-07:00 DEBUG kernel: [  388.825657] ieee80211 phy0: device no longer idle - scanning
2018-03-11T03:27:49.614761-07:00 INFO session_manager[12188]: [INFO:policy_store.cc(89)] Persisted policy to disk, path: /var/lib/whitelist/policy.1
2018-03-11T03:27:49.732967-07:00 INFO session_manager[12188]: [INFO:child_exit_handler.cc(77)] Handling 12653 exit.
2018-03-11T03:27:49.916091-07:00 INFO crash_reporter[12558]: Stored minidump to /var/spool/crash/chrome.20180311.032749.12537.dmp
2018-03-11T03:27:49.916494-07:00 INFO crash_reporter[12558]: Leaving core file at /var/spool/crash/chrome.20180311.032749.12537.core due to developer image
2018-03-11T03:27:52.412876-07:00 INFO permission_broker[1250]: ProcessPath(/dev/bus/usb/001/005)
2018-03-11T03:27:52.455465-07:00 INFO permission_broker[1250]:   AllowUsbDeviceRule: ALLOW
2018-03-11T03:27:52.455482-07:00 INFO permission_broker[1250]:   AllowTtyDeviceRule: IGNORE
2018-03-11T03:27:52.506703-07:00 INFO permission_broker[1250]:   DenyClaimedUsbDeviceRule: DENY
2018-03-11T03:27:52.506720-07:00 INFO permission_broker[1250]: Verdict for /dev/bus/usb/001/005: DENY
2018-03-11T03:27:52.506740-07:00 ERR permission_broker[1250]: OpenPath(...): Domain=permission_broker, Code=permission_denied, Message=Permission to open '/dev/bus/usb/001/005' denied
2018-03-11T03:27:52.825050-07:00 DEBUG kernel: [  392.076786] ieee80211 phy0: device now idle
2018-03-11T03:27:53.612910-07:00 INFO session_manager[12188]: [INFO:policy_store.cc(89)] Persisted policy to disk, path: /var/lib/whitelist/policy.1
2018-03-11T03:27:53.615268-07:00 INFO session_manager[12188]: [INFO:browser_job.cc(164)] Terminating process: exiting cleanly
2018-03-11T03:27:53.615290-07:00 INFO session_manager[12188]: [INFO:system_utils_impl.cc(94)] Sending 15 to 12250 as 1000
2018-03-11T03:27:53.615319-07:00 INFO session_manager[12188]: [INFO:system_utils_impl.cc(94)] Sending 15 to 12451 as 1000
2018-03-11T03:27:55.283723-07:00 INFO session_manager[12188]: [INFO:session_manager_service.cc(494)] SessionManagerService quitting run loop
2018-03-11T03:27:55.284191-07:00 INFO session_manager[12188]: [INFO:session_manager_service.cc(203)] SessionManagerService exiting