Filed by: ncsoregi [at] mozilla.com https://treeherder.mozilla.org/logviewer.html#?job_id=163515484&repo=mozilla-inbound https://queue.taskcluster.net/v1/task/IzS16EIQTtC6LP4Dt5_KyA/runs/0/artifacts/public/logs/live_backing.log [task 2018-02-21T19:09:57.211Z] 19:09:57 INFO - TEST-START | dom/media/test/test_seek_promise_bug1344357.html [task 2018-02-21T19:09:59.783Z] 19:09:59 ERROR - GECKO(1053) | thread 'WRRenderBackend#1' panicked at 'Vector image error Unknown error', /builds/worker/workspace/build/src/gfx/webrender/src/resource_cache.rs:854:29 [task 2018-02-21T19:10:00.901Z] 19:10:00 ERROR - TEST-UNEXPECTED-FAIL | dom/media/test/test_seek_promise_bug1344357.html | application terminated with exit code 11 [task 2018-02-21T19:10:00.903Z] 19:10:00 INFO - runtests.py | Application ran for: 0:06:00.242873 [task 2018-02-21T19:10:00.904Z] 19:10:00 INFO - zombiecheck | Reading PID log: /tmp/tmpaTe9GTpidlog [task 2018-02-21T19:10:00.905Z] 19:10:00 INFO - ==> process 1053 launched child process 1075 [task 2018-02-21T19:10:00.907Z] 19:10:00 INFO - ==> process 1053 launched child process 1110 [task 2018-02-21T19:10:00.907Z] 19:10:00 INFO - ==> process 1053 launched child process 1144 [task 2018-02-21T19:10:00.908Z] 19:10:00 INFO - zombiecheck | Checking for orphan process with PID: 1144 [task 2018-02-21T19:10:00.909Z] 19:10:00 INFO - zombiecheck | Checking for orphan process with PID: 1075 [task 2018-02-21T19:10:00.909Z] 19:10:00 INFO - zombiecheck | Checking for orphan process with PID: 1110 [task 2018-02-21T19:10:00.910Z] 19:10:00 INFO - mozcrash Downloading symbols from: https://queue.taskcluster.net/v1/task/Dycn8jWBSyWt0zSizJxKOg/artifacts/public/build/target.crashreporter-symbols.zip [task 2018-02-21T19:10:07.102Z] 19:10:07 INFO - mozcrash Copy/paste: /usr/local/bin/linux64-minidump_stackwalk /tmp/tmpVsEX3c.mozrunner/minidumps/6e9d6830-5427-384f-ef15-c81dbb91263c.dmp /tmp/tmpHLJg2s [task 2018-02-21T19:10:15.376Z] 19:10:15 INFO - mozcrash Saved minidump as /builds/worker/workspace/build/blobber_upload_dir/6e9d6830-5427-384f-ef15-c81dbb91263c.dmp [task 2018-02-21T19:10:15.379Z] 19:10:15 INFO - mozcrash Saved app info as /builds/worker/workspace/build/blobber_upload_dir/6e9d6830-5427-384f-ef15-c81dbb91263c.extra [task 2018-02-21T19:10:15.441Z] 19:10:15 INFO - PROCESS-CRASH | dom/media/test/test_seek_promise_bug1344357.html | application crashed [@ mozalloc_abort] [task 2018-02-21T19:10:15.442Z] 19:10:15 INFO - Crash dump filename: /tmp/tmpVsEX3c.mozrunner/minidumps/6e9d6830-5427-384f-ef15-c81dbb91263c.dmp

Redirecting. This is a playback test, but the crash is in the webrender resource cache.

Crash is > Err(BlobImageError::Other(msg)) => { > panic!("Vector image error {}", msg); > }

This is also showing up in crash-stats with unsymbolicated stacks, but the MOZ_CRASH reason matches: https://crash-stats.mozilla.com/report/index/6ead473f-d368-4391-a579-eeceb0180312