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Firefox tab hangs when opening maps.google.com and certain other sites

Posted

Lately (possibly since updating MacOS to Mojave, not sure), certain websites such as maps.google.com reliably cause a tab to hang indefinitely (with the grey rotating circle). This then causes other tabs to hang or not load properly until I restart Firefox, and I'm unable to quit Firefox normally, I have to force quit. I have no issues in Safe Mode, but I've tried refreshing Firefox, removing all add-ons and themes, disabling hardware acceleration, and the problem still occurs when not in safe mode. I'd really appreciate any help I can get with this, it's not only frustrating but is impairing my ability to do my job.

Lately (possibly since updating MacOS to Mojave, not sure), certain websites such as maps.google.com reliably cause a tab to hang indefinitely (with the grey rotating circle). This then causes other tabs to hang or not load properly until I restart Firefox, and I'm unable to quit Firefox normally, I have to force quit. I have no issues in Safe Mode, but I've tried refreshing Firefox, removing all add-ons and themes, disabling hardware acceleration, and the problem still occurs when not in safe mode. I'd really appreciate any help I can get with this, it's not only frustrating but is impairing my ability to do my job.

Chosen solution

I seem to have figured out the solution. After a lot of searching, it turns out the MacOS Mojave deprecated WebGL. I had to follow these instructions to disable it in Firefox, which fixed my issues: https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration#w_disabling-webgl

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Additional System Details

Application

  • Firefox 63.0.1
  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:63.0) Gecko/20100101 Firefox/63.0
  • Support URL: https://support.mozilla.org/1/firefox/63.0.1/Darwin/en-US/

Extensions

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription:
  • adapterDeviceID: 0x0001
  • adapterDrivers:
  • adapterRAM:
  • adapterVendorID: 0xffff
  • contentUsesTiling: True
  • crashGuards: []
  • driverDate:
  • driverVersion:
  • featureLog: {u'fallbacks': [], u'features': [{u'status': u'blocked', u'description': u'Compositing', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'disabled', u'message': u'Disabled by pref', u'type': u'user'}, {u'status': u'blocked', u'message': u'Acceleration blocked by safe-mode', u'type': u'runtime'}], u'name': u'HW_COMPOSITING'}, {u'status': u'unavailable', u'description': u'OpenGL Compositing', u'log': [{u'status': u'unavailable', u'message': u'Hardware compositing is disabled', u'type': u'default'}], u'name': u'OPENGL_COMPOSITING'}, {u'status': u'unavailable', u'description': u'WebRender', u'log': [{u'status': u'opt-in', u'message': u'WebRender is an opt-in feature', u'type': u'default'}, {u'status': u'unavailable', u'message': u'Safe-mode is enabled', u'type': u'runtime'}], u'name': u'WEBRENDER'}, {u'status': u'blocked', u'description': u'WebRender qualified', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'No qualified hardware', u'type': u'env'}], u'name': u'WEBRENDER_QUALIFIED'}, {u'status': u'blocked', u'description': u'Off Main Thread Painting', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'OMTP blocked by safe-mode', u'type': u'runtime'}], u'name': u'OMTP'}]}
  • info: {u'TileHeight': 512, u'ApzWheelInput': 1, u'ApzDragInput': 1, u'ApzKeyboardInput': 1, u'ApzAutoscrollInput': 1, u'AzureFallbackCanvasBackend': u'none', u'TileWidth': 512, u'AzureCanvasAccelerated': 0, u'AzureCanvasBackend': u'skia', u'AzureContentBackend': u'skia'}
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'']
  • numTotalWindows: 1
  • offMainThreadPaintEnabled: False
  • offMainThreadPaintWorkerCount: 0
  • usesTiling: True
  • webgl1DriverExtensions: -
  • webgl1Extensions: -
  • webgl1Renderer: WebGL is currently disabled.
  • webgl1Version: -
  • webgl1WSIInfo: -
  • webgl2DriverExtensions: -
  • webgl2Extensions: -
  • webgl2Renderer: WebGL is currently disabled.
  • webgl2Version: -
  • webgl2WSIInfo: -
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Basic
  • windowUsingAdvancedLayers: False

Modified Preferences

Misc

  • User JS: No
  • Accessibility: No

Chosen Solution

I seem to have figured out the solution. After a lot of searching, it turns out the MacOS Mojave deprecated WebGL. I had to follow these instructions to disable it in Firefox, which fixed my issues: https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration#w_disabling-webgl

I seem to have figured out the solution. After a lot of searching, it turns out the MacOS Mojave deprecated WebGL. I had to follow these instructions to disable it in Firefox, which fixed my issues: https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration#w_disabling-webgl