https://ci.chromium.org/buildbot/tryserver.chromium.chromiumos/linux-chromeos-rel/28241 had the WebRtcBrowserTest.RunsAudioVideoWebRTCCallInTwoTabsEmitsGatheringStateChange test fail.

Output:

[182/1872] CredentialManagerBrowserTest.StoreSavesPSLMatchedCredential (1306 ms)
[1221/054016.169816:ERROR:kill_posix.cc(84)] Unable to terminate process group 14030: No such process (3)
[ RUN      ] WebRtcBrowserTest.RunsAudioVideoWebRTCCallInTwoTabsVP8
[14030:14030:1221/053946.179370:WARNING:chrome_browser_main_chromeos.cc(662)] Running as stub user with profile dir: test-user
[14030:14191:1221/053946.727932:ERROR:logging_chrome.cc(210)] Unable to create symlink /b/s/w/itA2qSXB/.org.chromium.Chromium.7F1nRC/dDvn1YL/test-user/chrome_debug.log pointing at /b/s/w/itA2qSXB/.org.chromium.Chromium.7F1nRC/dDvn1YL/test-user/chrome_debug_20171221-053946: No such file or directory (2)
[14209:14209:1221/053946.826280:WARNING:gpu_info.cc(104)] No active GPU found, returning primary GPU.
[14030:14197:1221/053946.886755:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[14030:14197:1221/053947.084211:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[14030:14192:1221/053947.455356:WARNING:simple_synchronous_entry.cc(1170)] Could not open platform files for entry.
[14030:14197:1221/053947.516328:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[14030:14030:1221/053947.560079:WARNING:one_google_bar_fetcher_impl.cc(279)] Request failed with error: -11: net::ERR_NOT_IMPLEMENTED
[14030:14030:1221/053947.960175:INFO:CONSOLE(71)] "This appears to be Chrome", source: http://127.0.0.1:48005/webrtc/adapter.js (71)
[14030:14309:1221/053948.004393:WARNING:embedded_test_server.cc(228)] Request not handled. Returning 404: /favicon.ico
[14030:14030:1221/053948.009148:INFO:CONSOLE(13)] "Requesting doGetUserMedia: constraints: {"audio":true,"video":true}", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053948.043053:INFO:CONSOLE(13)] "Returning request-callback-granted to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053948.173551:INFO:CONSOLE(13)] "Returning ok-got-stream to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14197:1221/053948.179924:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[14030:14197:1221/053949.066810:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[14030:14030:1221/053949.124173:WARNING:one_google_bar_fetcher_impl.cc(279)] Request failed with error: -11: net::ERR_NOT_IMPLEMENTED
[14030:14030:1221/053949.318938:INFO:CONSOLE(71)] "This appears to be Chrome", source: http://127.0.0.1:48005/webrtc/adapter.js (71)
[14030:14030:1221/053949.363021:INFO:CONSOLE(13)] "Requesting doGetUserMedia: constraints: {"audio":true,"video":true}", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053949.383169:INFO:CONSOLE(13)] "Returning request-callback-granted to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14209:14209:1221/053949.468336:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.468464:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.468574:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.468721:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.468805:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.468882:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.468961:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469061:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469159:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469243:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469324:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469413:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469489:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469571:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469654:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469761:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469847:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.469933:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470015:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470115:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470209:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470293:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470378:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470466:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470563:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470649:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470734:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470816:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470903:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.470979:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.471066:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.471142:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.471219:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.471293:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.471365:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.471465:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.471549:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.471639:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14209:14209:1221/053949.471723:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[14030:14030:1221/053949.483665:INFO:CONSOLE(13)] "Returning ok-got-stream to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[1:21:1221/053949.503179:WARNING:delay_based_bwe.cc(324)] BWE Setting start bitrate to: 300000
[14030:14030:1221/053949.514755:INFO:CONSOLE(13)] "Returning ok-peerconnection-created to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14209:14209:1221/053949.518072:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.518143:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.521833:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.521887:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.527602:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.527842:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.539043:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.539194:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.546709:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.546773:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.553496:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.553556:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.557264:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.557316:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.588417:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.588708:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.606786:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.606858:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.627177:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.627250:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.643929:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.644005:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.647641:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.648800:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.674429:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.674714:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.693638:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.693705:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14209:14209:1221/053949.715952:ERROR:gles2_cmd_decoder.cc(18206)] [.DisplayCompositor-0x258711226c00]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[14209:14209:1221/053949.716130:ERROR:gles2_cmd_decoder.cc(10068)] [.DisplayCompositor-0x258711226c00]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.
[14030:14030:1221/053949.825704:INFO:CONSOLE(13)] "Added local stream.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053949.826133:INFO:CONSOLE(13)] "Returning ok-added to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[1:21:1221/053949.832822:WARNING:delay_based_bwe.cc(324)] BWE Setting start bitrate to: 300000
[14030:14030:1221/053949.834964:INFO:CONSOLE(13)] "Returning ok-peerconnection-created to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053949.996364:INFO:CONSOLE(13)] "Added local stream.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053949.996787:INFO:CONSOLE(13)] "Returning ok-added to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053949.998458:INFO:CONSOLE(13)] "Returning ok to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053950.001429:INFO:CONSOLE(13)] "Returning ok to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[1:20:1221/053950.002811:WARNING:mediasession.cc(365)] Duplicate id found. Reassigning from 104 to 127
[1:20:1221/053950.002916:WARNING:mediasession.cc(365)] Duplicate id found. Reassigning from 106 to 125
[1:20:1221/053950.003003:WARNING:mediasession.cc(365)] Duplicate id found. Reassigning from 103 to 124
[1:20:1221/053950.003062:WARNING:mediasession.cc(365)] Duplicate id found. Reassigning from 105 to 123
[14030:14030:1221/053950.010623:INFO:CONSOLE(13)] "createOffer(): success.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053950.010896:INFO:CONSOLE(13)] "Returning ok-{"type":"offer","sdp":"v=0\r\no=- 2277760500536978432 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=group:BUNDLE audio video\r\na=msid-semantic: WMS fitPB81uMV3So6Ms4nit9dIlQOa9KEZNAQzU\r\nm=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=ice-ufrag:+bJs\r\na=ice-pwd:Man63LU9DX1BiyELxcNTBAa3\r\na=ice-options:trickle\r\na=fingerprint:sha-256 DD:C1:97:BD:08:9A:B2:5B:53:9E:79:EA:53:5B:4D:58:AE:1A:93:D7:0B:11:8D:55:36:6C:AE:B9:6A:17:32:2F\r\na=setup:actpass\r\na=mid:audio\r\na=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\na=sendrecv\r\na=rtcp-mux\r\na=rtpmap:111 opus/48000/2\r\na=rtcp-fb:111 transport-cc\r\na=fmtp:111 minptime=10;useinbandfec=1\r\na=rtpmap:103 ISAC/16000\r\na=rtpmap:104 ISAC/32000\r\na=rtpmap:9 G722/8000\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:106 CN/32000\r\na=rtpmap:105 CN/16000\r\na=rtpmap:13 CN/8000\r\na=rtpmap:110 telephone-event/48000\r\na=rtpmap:112 telephone-event/32000\r\na=rtpmap:113 telephone-event/16000\r\na=rtpmap:126 telephone-event/8000\r\na=ssrc:687951901 cname:/zPaayUSDdHb5HTV\r\na=ssrc:687951901 msid:fitPB81uMV3So6Ms4nit9dIlQOa9KEZNAQzU f5e6db03-e54f-448d-a876-48603aff0a1f\r\na=ssrc:687951901 mslabel:fitPB81uMV3So6Ms4nit9dIlQOa9KEZNAQzU\r\na=ssrc:687951901 label:f5e6db03-e54f-448d-a876-48603aff0a1f\r\nm=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 124 127 123 125\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=ice-ufrag:+bJs\r\na=ice-pwd:Man63LU9DX1BiyELxcNTBAa3\r\na=ice-options:trickle\r\na=fingerprint:sha-256 DD:C1:97:BD:08:9A:B2:5B:53:9E:79:EA:53:5B:4D:58:AE:1A:93:D7:0B:11:8D:55:36:6C:AE:B9:6A:17:32:2F\r\na=setup:actpass\r\na=mid:video\r\na=extmap:2 urn:ietf:params:rtp-hdrext:toffset\r\na=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\na=extmap:4 urn:3gpp:video-orientation\r\na=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01\r\na=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay\r\na=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type\r\na=extmap:8 http://www.webrtc.org/experiments/rtp-hdrext/video-timing\r\na=sendrecv\r\na=rtcp-mux\r\na=rtcp-rsize\r\na=rtpmap:96 VP8/90000\r\na=rtcp-fb:96 goog-remb\r\na=rtcp-fb:96 transport-cc\r\na=rtcp-fb:96 ccm fir\r\na=rtcp-fb:96 nack\r\na=rtcp-fb:96 nack pli\r\na=rtpmap:97 rtx/90000\r\na=fmtp:97 apt=96\r\na=rtpmap:98 VP9/90000\r\na=rtcp-fb:98 goog-remb\r\na=rtcp-fb:98 transport-cc\r\na=rtcp-fb:98 ccm fir\r\na=rtcp-fb:98 nack\r\na=rtcp-fb:98 nack pli\r\na=rtpmap:99 rtx/90000\r\na=fmtp:99 apt=98\r\na=rtpmap:100 H264/90000\r\na=rtcp-fb:100 goog-remb\r\na=rtcp-fb:100 transport-cc\r\na=rtcp-fb:100 ccm fir\r\na=rtcp-fb:100 nack\r\na=rtcp-fb:100 nack pli\r\na=fmtp:100 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f\r\na=rtpmap:101 rtx/90000\r\na=fmtp:101 apt=100\r\na=rtpmap:102 H264/90000\r\na=rtcp-fb:102 goog-remb\r\na=rtcp-fb:102 transport-cc\r\na=rtcp-fb:102 ccm fir\r\na=rtcp-fb:102 nack\r\na=rtcp-fb:102 nack pli\r\na=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f\r\na=rtpmap:124 rtx/90000\r\na=fmtp:124 apt=102\r\na=rtpmap:127 red/90000\r\na=rtpmap:123 rtx/90000\r\na=fmtp:123 apt=127\r\na=rtpmap:125 ulpfec/90000\r\na=ssrc-group:FID 2691672020 1129059671\r\na=ssrc:2691672020 cname:/zPaayUSDdHb5HTV\r\na=ssrc:2691672020 msid:fitPB81uMV3So6Ms4nit9dIlQOa9KEZNAQzU 6b7c64e8-fad2-4ee0-ad70-8dc988115e29\r\na=ssrc:2691672020 mslabel:fitPB81uMV3So6Ms4nit9dIlQOa9KEZNAQzU\r\na=ssrc:2691672020 label:6b7c64e8-fad2-4ee0-ad70-8dc988115e29\r\na=ssrc:1129059671 cname:/zPaayUSDdHb5HTV\r\na=ssrc:1129059671 msid:fitPB81uMV3So6Ms4nit9dIlQOa9KEZNAQzU 6b7c64e8-fad2-4ee0-ad70-8dc988115e29\r\na=ssrc:1129059671 mslabel:fitPB81uMV3So6Ms4nit9dIlQOa9KEZNAQzU\r\na=ssrc:1129059671 label:6b7c64e8-fad2-4ee0-ad70-8dc988115e29\r\n"} to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053950.013731:INFO:CONSOLE(13)] "setLocalDescription(): success.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[1:21:1221/053950.017385:WARNING:channel.cc(1101)] Trying to cache the Absolute Send Time extension id but the SRTP is not active.
[1:21:1221/053950.019997:WARNING:channel.cc(1101)] Trying to cache the Absolute Send Time extension id but the SRTP is not active.
[14030:14030:1221/053950.024716:INFO:CONSOLE(13)] "createAnswer(): success.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053950.029354:INFO:CONSOLE(13)] "Returning ok-{"type":"answer","sdp":"v=0\r\no=- 8941004430276675658 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=group:BUNDLE audio video\r\na=msid-semantic: WMS AUTwsVdu4bkrmV969QvP3wDlTkfP5YcbEWbb\r\nm=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=ice-ufrag:psmc\r\na=ice-pwd:6ADlcPmdlu7T3EVeoVB2QX1M\r\na=ice-options:trickle\r\na=fingerprint:sha-256 E4:40:56:4C:17:D0:36:29:78:F2:41:72:CB:94:B7:33:88:83:7F:D9:23:F1:79:98:ED:88:FC:86:28:6F:F3:DF\r\na=setup:active\r\na=mid:audio\r\na=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\na=sendrecv\r\na=rtcp-mux\r\na=rtpmap:111 opus/48000/2\r\na=rtcp-fb:111 transport-cc\r\na=fmtp:111 minptime=10;useinbandfec=1\r\na=rtpmap:103 ISAC/16000\r\na=rtpmap:104 ISAC/32000\r\na=rtpmap:9 G722/8000\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:106 CN/32000\r\na=rtpmap:105 CN/16000\r\na=rtpmap:13 CN/8000\r\na=rtpmap:110 telephone-event/48000\r\na=rtpmap:112 telephone-event/32000\r\na=rtpmap:113 telephone-event/16000\r\na=rtpmap:126 telephone-event/8000\r\na=ssrc:2235571014 cname:izZ1jtIE9aSD9mia\r\na=ssrc:2235571014 msid:AUTwsVdu4bkrmV969QvP3wDlTkfP5YcbEWbb c4ee6338-8d2b-4085-b251-de8dcdd04c23\r\na=ssrc:2235571014 mslabel:AUTwsVdu4bkrmV969QvP3wDlTkfP5YcbEWbb\r\na=ssrc:2235571014 label:c4ee6338-8d2b-4085-b251-de8dcdd04c23\r\nm=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 124 127 123 125\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=ice-ufrag:psmc\r\na=ice-pwd:6ADlcPmdlu7T3EVeoVB2QX1M\r\na=ice-options:trickle\r\na=fingerprint:sha-256 E4:40:56:4C:17:D0:36:29:78:F2:41:72:CB:94:B7:33:88:83:7F:D9:23:F1:79:98:ED:88:FC:86:28:6F:F3:DF\r\na=setup:active\r\na=mid:video\r\na=extmap:2 urn:ietf:params:rtp-hdrext:toffset\r\na=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\na=extmap:4 urn:3gpp:video-orientation\r\na=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01\r\na=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay\r\na=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type\r\na=extmap:8 http://www.webrtc.org/experiments/rtp-hdrext/video-timing\r\na=sendrecv\r\na=rtcp-mux\r\na=rtcp-rsize\r\na=rtpmap:96 VP8/90000\r\na=rtcp-fb:96 goog-remb\r\na=rtcp-fb:96 transport-cc\r\na=rtcp-fb:96 ccm fir\r\na=rtcp-fb:96 nack\r\na=rtcp-fb:96 nack pli\r\na=rtpmap:97 rtx/90000\r\na=fmtp:97 apt=96\r\na=rtpmap:98 VP9/90000\r\na=rtcp-fb:98 goog-remb\r\na=rtcp-fb:98 transport-cc\r\na=rtcp-fb:98 ccm fir\r\na=rtcp-fb:98 nack\r\na=rtcp-fb:98 nack pli\r\na=rtpmap:99 rtx/90000\r\na=fmtp:99 apt=98\r\na=rtpmap:100 H264/90000\r\na=rtcp-fb:100 goog-remb\r\na=rtcp-fb:100 transport-cc\r\na=rtcp-fb:100 ccm fir\r\na=rtcp-fb:100 nack\r\na=rtcp-fb:100 nack pli\r\na=fmtp:100 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f\r\na=rtpmap:101 rtx/90000\r\na=fmtp:101 apt=100\r\na=rtpmap:102 H264/90000\r\na=rtcp-fb:102 goog-remb\r\na=rtcp-fb:102 transport-cc\r\na=rtcp-fb:102 ccm fir\r\na=rtcp-fb:102 nack\r\na=rtcp-fb:102 nack pli\r\na=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f\r\na=rtpmap:124 rtx/90000\r\na=fmtp:124 apt=102\r\na=rtpmap:127 red/90000\r\na=rtpmap:123 rtx/90000\r\na=fmtp:123 apt=127\r\na=rtpmap:125 ulpfec/90000\r\na=ssrc-group:FID 48164526 31546288\r\na=ssrc:48164526 cname:izZ1jtIE9aSD9mia\r\na=ssrc:48164526 msid:AUTwsVdu4bkrmV969QvP3wDlTkfP5YcbEWbb 70d24055-4575-4327-b170-f5830ee3f402\r\na=ssrc:48164526 mslabel:AUTwsVdu4bkrmV969QvP3wDlTkfP5YcbEWbb\r\na=ssrc:48164526 label:70d24055-4575-4327-b170-f5830ee3f402\r\na=ssrc:31546288 cname:izZ1jtIE9aSD9mia\r\na=ssrc:31546288 msid:AUTwsVdu4bkrmV969QvP3wDlTkfP5YcbEWbb 70d24055-4575-4327-b170-f5830ee3f402\r\na=ssrc:31546288 mslabel:AUTwsVdu4bkrmV969QvP3wDlTkfP5YcbEWbb\r\na=ssrc:31546288 label:70d24055-4575-4327-b170-f5830ee3f402\r\n"} to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053950.030793:INFO:CONSOLE(13)] "Receiving remote stream...", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053950.031482:INFO:CONSOLE(13)] "setRemoteDescription(): success.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name
ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4727:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM default
[14030:14202:1221/053950.034871:WARNING:alsa_util.cc(24)] PcmOpen: default,No such file or directory
ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name
ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4727:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM default
[14030:14202:1221/053950.035042:WARNING:alsa_util.cc(24)] PcmOpen: plug:default,No such file or directory
[14030:14202:1221/053950.035095:ERROR:audio_output_resampler.cc(396)] Unable to open audio device in high latency mode.  Falling back to fake audio output.
[1:21:1221/053950.113069:WARNING:p2ptransportchannel.cc(581)] Jingle:Port[0x3b0e2f9ff400:audio:1:0:local:Net[eth0:10.240.12.x/32:Unknown]]: SetOption(5, 0) failed: 0
[1:21:1221/053950.113259:WARNING:p2ptransportchannel.cc(581)] Jingle:Port[0x3b0e2f9fd900:video:1:0:local:Net[eth0:10.240.12.x/32:Unknown]]: SetOption(1, 65536) failed: 0
[1:21:1221/053950.114869:WARNING:p2ptransportchannel.cc(581)] Jingle:Port[0x3b0e2f9fd900:video:1:0:local:Net[eth0:10.240.12.x/32:Unknown]]: SetOption(2, 65536) failed: 0
[1:21:1221/053950.114924:WARNING:p2ptransportchannel.cc(581)] Jingle:Port[0x3b0e2f9fd900:video:1:0:local:Net[eth0:10.240.12.x/32:Unknown]]: SetOption(5, 0) failed: 0
[14030:14202:1221/053950.131071:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=10
[1:21:1221/053950.150608:WARNING:p2ptransportchannel.cc(581)] Jingle:Port[0x3b0e2fd0b880:audio:1:0:local:Net[eth0:10.240.12.x/32:Unknown]]: SetOption(1, 65536) failed: 0
[1:21:1221/053950.150728:WARNING:p2ptransportchannel.cc(581)] Jingle:Port[0x3b0e2fd0b880:audio:1:0:local:Net[eth0:10.240.12.x/32:Unknown]]: SetOption(2, 65536) failed: 0
[1:21:1221/053950.150786:WARNING:p2ptransportchannel.cc(581)] Jingle:Port[0x3b0e2fd0b880:audio:1:0:local:Net[eth0:10.240.12.x/32:Unknown]]: SetOption(5, 0) failed: 0
[1:32:1221/053950.035845:FATAL:scoped_refptr.h(208)] Check failed: ptr_. 
#0 0x000003e8df1c base::debug::StackTrace::StackTrace()
#1 0x000003ea7e2c logging::LogMessage::~LogMessage()
#2 0x000008914d63 content::WebRtcAudioDeviceImpl::RenderData()
#3 0x00000891a647 content::WebRtcAudioRenderer::SourceCallback()
#4 0x00000891a3db content::WebRtcAudioRenderer::Render()
#5 0x000001e2e1d0 media::AudioOutputDevice::AudioThreadCallback::Process()
#6 0x000001e1d2a2 media::AudioDeviceThread::ThreadMain()
#7 0x000003eff6df base::(anonymous namespace)::ThreadFunc()
#8 0x7fcf75846184 start_thread
#9 0x7fcf72545ffd clone

[14030:14202:1221/053950.233688:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=20
[14030:14603:1221/053950.239722:ERROR:crash_handler_host_linux.cc(437)] Failed to write crash dump for pid 14584
Cannot upload crash dump: failed to open
Failed to save crash dump: failed to open
[14030:14199:1221/053950.242775:WARNING:crash_handler_host_linux.cc(330)] Could not translate tid, attempt = 1 retry ...
[14030:14202:1221/053950.331057:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=30
[14030:14603:1221/053950.346495:ERROR:crash_handler_host_linux.cc(437)] Failed to write crash dump for pid 14584
Cannot upload crash dump: failed to open
Failed to save crash dump: failed to open
[14030:14202:1221/053950.443304:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=40
[14030:14202:1221/053950.470113:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=10
[14030:14202:1221/053950.562886:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=50
[14030:14202:1221/053950.568050:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=20
[14030:14202:1221/053950.672335:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=30
[14030:14202:1221/053950.681451:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=60
[14030:14202:1221/053950.781157:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=40
[14030:14202:1221/053950.792747:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=70
[14030:14202:1221/053950.877789:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=50
[14030:14202:1221/053950.905013:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=80
[14030:14202:1221/053950.978314:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=60
[14030:14202:1221/053951.015433:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=90
[14030:14202:1221/053951.078135:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=70
[14030:14202:1221/053951.122475:WARNING:audio_sync_reader.cc(195)] AudioSyncReader::Read timed out, audio glitch count=100
[14030:14202:1221/053951.122505:WARNING:audio_sync_reader.cc(198)] (log cap reached, suppressing further logs)
[14030:14202:1221/053951.122519:WARNING:audio_sync_reader.cc(177)] ASR: No room in socket buffer.: Broken pipe (32)
[14030:14202:1221/053951.122602:WARNING:audio_sync_reader.cc(177)] ASR: No room in socket buffer.: Broken pipe (32)
[14030:14030:1221/053951.131331:INFO:browser_test_utils.cc(1706)] DOMMessageQueue::RenderProcessGone 3
[14030:14030:1221/053951.136270:ERROR:browser_test_utils.cc(171)] Cannot communicate with DOMMessageQueue.
../../chrome/browser/media/webrtc/webrtc_browsertest_base.cc:338: Failure
Value of: content::ExecuteScriptAndExtractString( tab_contents, javascript, &result)
  Actual: false
Expected: true
../../chrome/browser/media/webrtc/webrtc_browsertest_base.cc:395: Failure
Expected equality of these values:
  "ok-"
  response.substr(0, 3)
    Which is: ""
Receiving peer failed to verify default codec: 
[1:21:1221/053951.139997:WARNING:p2ptransportchannel.cc(1036)] SetOption(1, 65536) failed: 0
[1:21:1221/053951.140095:WARNING:p2ptransportchannel.cc(1036)] SetOption(2, 65536) failed: 0
[14030:14030:1221/053951.148433:INFO:CONSOLE(13)] "Receiving remote stream...", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053951.148891:INFO:CONSOLE(13)] "setRemoteDescription(): success.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
[14030:14030:1221/053951.149251:INFO:CONSOLE(13)] "Returning ok-accepted-answer to test.", source: http://127.0.0.1:48005/webrtc/test_functions.js (13)
BrowserTestBase received signal: Terminated. Backtrace:
#0 0x000003e8df1c base::debug::StackTrace::StackTrace()
#1 0x0000044c84f2 content::(anonymous namespace)::DumpStackTraceSignalHandler()
#2 0x7fcac2f66cb0 <unknown>
#3 0x7fcac302e693 epoll_wait
#4 0x000004e1b47d epoll_dispatch
#5 0x000004e18f5d event_base_loop
#6 0x000003eb0ea4 base::MessagePumpLibevent::Run()
#7 0x000003eae0f9 base::MessageLoop::Run()
#8 0x000003ed8739 base::RunLoop::Run()
#9 0x000004506466 content::MessageLoopRunner::Run()
#10 0x0000044ccf33 content::DOMMessageQueue::WaitForMessage()
#11 0x0000044cb820 content::(anonymous namespace)::ExecuteScriptHelper()
#12 0x0000044cb252 content::ExecuteScriptAndExtractString()
#13 0x000000849a6d WebRtcTestBase::ExecuteJavascript()
#14 0x00000084ab5e WebRtcTestBase::GatherAndSendIceCandidates()
#15 0x00000084af88 WebRtcTestBase::NegotiateCall()
#16 0x000000844886 WebRtcBrowserTest::RunsAudioVideoWebRTCCallInTwoTabs()
#17 0x00000084477b WebRtcBrowserTest_RunsAudioVideoWebRTCCallInTwoTabsVP8_Test::RunTestOnMainThread()
#18 0x0000044c8245 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#19 0x000003fbff36 ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#20 0x000003fbeccd ChromeBrowserMainParts::PreMainMessageLoopRun()
#21 0x0000018c71d8 chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#22 0x00000266f501 content::BrowserMainLoop::PreMainMessageLoopRun()
#23 0x000002aae355 content::StartupTaskRunner::RunAllTasksNow()
#24 0x00000266d9ff content::BrowserMainLoop::CreateStartupTasks()
#25 0x000002672598 content::BrowserMainRunnerImpl::Initialize()
#26 0x00000266b6c2 content::BrowserMain()
#27 0x000003e5df31 content::ContentMainRunnerImpl::Run()
#28 0x000005f4ed5b service_manager::Main()
#29 0x000003e5c914 content::ContentMain()
#30 0x0000044c7eac content::BrowserTestBase::SetUp()
#31 0x000003f79729 InProcessBrowserTest::SetUp()
#32 0x000001c39e01 testing::Test::Run()
#33 0x000001c3a930 testing::TestInfo::Run()
#34 0x000001c3ae17 testing::TestCase::Run()
#35 0x000001c41437 testing::internal::UnitTestImpl::RunAllTests()
#36 0x000001c41087 testing::UnitTest::Run()
#37 0x000003f8f212 base::TestSuite::Run()
#38 0x000003e81ee9 ChromeTestSuiteRunner::RunTestSuite()
#39 0x0000044ffcf4 content::LaunchTests()
#40 0x000003e82315 LaunchChromeTests()
#41 0x000003e81b0d main
#42 0x7fcac2f51f45 __libc_start_main
#43 0x0000005becba _start
[183/1872] WebRtcBrowserTest.RunsAudioVideoWebRTCCallInTwoTabsVP8 (TIMED OUT)