Bug: Intermittent browser/base/content/test/siteIdentity/browser_no_mcb_for_loopback.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2025-01-23 17:51:30+00:00
Resolved: 2025-02-17 12:12:57+00:00

**Filed by:** agoloman [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=491484845&repo=mozilla-esr115
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/NWEMgdj-ToyeZajz8TZOYA/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2025-01-23T16:23:39.943Z] 16:23:39     INFO - TEST-START | browser/base/content/test/siteIdentity/browser_no_mcb_for_loopback.js
[task 2025-01-23T16:23:50.478Z] 16:23:50     INFO - GECKO(7384) | [Parent 8084, IPC I/O Parent] WARNING: ConnectNamedPipe timed out!: file /builds/worker/checkouts/gecko/ipc/chromium/src/chrome/common/ipc_channel_win.cc:333
[task 2025-01-23T16:23:52.676Z] 16:23:52     INFO - GECKO(7384) | JavaScript error: , line 0: TypeError: NetworkError when attempting to fetch resource.
[task 2025-01-23T16:23:52.679Z] 16:23:52     INFO - GECKO(7384) | JavaScript error: , line 0: TypeError: NetworkError when attempting to fetch resource.
[task 2025-01-23T16:23:52.927Z] 16:23:52     INFO - GECKO(7384) | JavaScript error: , line 0: TypeError: NetworkError when attempting to fetch resource.
[task 2025-01-23T16:23:53.288Z] 16:23:53     INFO - GECKO(7384) | [Parent 8084, IPC I/O Parent] WARNING: ConnectNamedPipe timed out!: file /builds/worker/checkouts/gecko/ipc/chromium/src/chrome/common/ipc_channel_win.cc:333
[task 2025-01-23T16:24:20.848Z] 16:24:20     INFO - GECKO(7384) | [8832, IPC I/O Child] WARNING: failed to create pipe: 2: file /builds/worker/checkouts/gecko/ipc/chromium/src/chrome/common/ipc_channel_win.cc:237
[task 2025-01-23T16:24:20.851Z] 16:24:20     INFO - GECKO(7384) | [8832, IPC I/O Child] WARNING: Unable to create pipe named "8084.171.1093399612\1299863387" in client mode.: file /builds/worker/checkouts/gecko/ipc/chromium/src/chrome/common/ipc_channel_win.cc:55
[task 2025-01-23T16:24:20.864Z] 16:24:20     INFO - GECKO(7384) | [3780, IPC I/O Child] WARNING: failed to create pipe: 2: file /builds/worker/checkouts/gecko/ipc/chromium/src/chrome/common/ipc_channel_win.cc:237
[task 2025-01-23T16:24:20.868Z] 16:24:20     INFO - GECKO(7384) | [3780, IPC I/O Child] WARNING: Unable to create pipe named "8084.172.261731986\412556536" in client mode.: file /builds/worker/checkouts/gecko/ipc/chromium/src/chrome/common/ipc_channel_win.cc:55
[task 2025-01-23T16:24:20.873Z] 16:24:20     INFO - GECKO(7384) | Exiting due to channel error.
[task 2025-01-23T16:24:24.961Z] 16:24:24     INFO - TEST-INFO | started process screenshot
[task 2025-01-23T16:24:25.055Z] 16:24:25     INFO - TEST-INFO | screenshot: exit 0
[task 2025-01-23T16:24:25.062Z] 16:24:25     INFO - Buffered messages logged at 16:23:39
[task 2025-01-23T16:24:25.063Z] 16:24:25     INFO - Entering test bound allowLoopbackMixedContent
[task 2025-01-23T16:24:25.063Z] 16:24:25     INFO - Buffered messages logged at 16:23:42
[task 2025-01-23T16:24:25.064Z] 16:24:25     INFO - Console message: [JavaScript Warning: "Loading failed for the <script> with source �http://127.0.0.1:8/test.js�." {file: "https://example.com/browser/browser/base/content/test/siteIdentity/test_no_mcb_for_loopback.html" line: 42}]
[task 2025-01-23T16:24:25.065Z] 16:24:25     INFO - Buffered messages logged at 16:23:44
[task 2025-01-23T16:24:25.065Z] 16:24:25     INFO - Console message: [JavaScript Warning: "Loading failed for the <script> with source �http://[::1]:8/test.js�." {file: "https://example.com/browser/browser/base/content/test/siteIdentity/test_no_mcb_for_loopback.html" line: 43}]
[task 2025-01-23T16:24:25.066Z] 16:24:25     INFO - Console message: [JavaScript Error: "Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://[::1]:8/test.ttf. (Reason: CORS request did not succeed). Status code: (null)."]
[task 2025-01-23T16:24:25.067Z] 16:24:25     INFO - Console message: [JavaScript Error: "downloadable font: download failed (font-family: "Font-IPv6" style:normal weight:400 stretch:100 src index:0): bad URI or cross-site access not allowed source: http://[::1]:8/test.ttf"]
[task 2025-01-23T16:24:25.067Z] 16:24:25     INFO - Console message: [JavaScript Error: "Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://127.0.0.1:8/test.ttf. (Reason: CORS request did not succeed). Status code: (null)."]
[task 2025-01-23T16:24:25.068Z] 16:24:25     INFO - Console message: [JavaScript Error: "downloadable font: download failed (font-family: "Font-IPv4" style:normal weight:400 stretch:100 src index:0): bad URI or cross-site access not allowed source: http://127.0.0.1:8/test.ttf"]
[task 2025-01-23T16:24:25.068Z] 16:24:25     INFO - Buffered messages logged at 16:23:46
[task 2025-01-23T16:24:25.069Z] 16:24:25     INFO - Console message: [JavaScript Warning: "Loading failed for the <script> with source �http://localhost:8/test.js�." {file: "https://example.com/browser/browser/base/content/test/siteIdentity/test_no_mcb_for_loopback.html" line: 44}]
[task 2025-01-23T16:24:25.069Z] 16:24:25     INFO - Buffered messages logged at 16:23:52
[task 2025-01-23T16:24:25.070Z] 16:24:25     INFO - Console message: [JavaScript Error: "Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://127.0.0.1:8/. (Reason: CORS request did not succeed). Status code: (null)."]
[task 2025-01-23T16:24:25.071Z] 16:24:25     INFO - Console message: [JavaScript Error: "Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://[::1]:8/. (Reason: CORS request did not succeed). Status code: (null)."]
[task 2025-01-23T16:24:25.072Z] 16:24:25     INFO - Console message: [JavaScript Error: "TypeError: NetworkError when attempting to fetch resource."]
[task 2025-01-23T16:24:25.072Z] 16:24:25     INFO - Console message: [JavaScript Error: "TypeError: NetworkError when attempting to fetch resource."]
[task 2025-01-23T16:24:25.073Z] 16:24:25     INFO - Console message: [JavaScript Error: "Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://localhost:8/. (Reason: CORS request did not succeed). Status code: (null)."]
[task 2025-01-23T16:24:25.073Z] 16:24:25     INFO - Console message: [JavaScript Error: "TypeError: NetworkError when attempting to fetch resource."]
[task 2025-01-23T16:24:25.073Z] 16:24:25     INFO - Buffered messages finished
[task 2025-01-23T16:24:25.074Z] 16:24:25     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/siteIdentity/browser_no_mcb_for_loopback.js | Test timed out - 
[task 2025-01-23T16:24:25.338Z] 16:24:25     INFO - GECKO(7384) | MEMORY STAT | vsize 2104457MB | vsizeMaxContiguous 65245286MB | residentFast 337MB | heapAllocated 121MB
[task 2025-01-23T16:24:25.350Z] 16:24:25     INFO - TEST-OK | browser/base/content/test/siteIdentity/browser_no_mcb_for_loopback.js | took 45406ms
```