[Tracking Requested - why for this release]: Given that this bug broke Google.com for all users who have disabled E10S, this should probably be uplifted into release? STR: 1. Open Powershell on Win10. Run: `$env:MOZ_FORCE_DISABLE_E10S="1"; &"C:\Program Files\Mozilla Firefox\firefox.exe"` 2. Open about:support: "Multiprocess Windows: 0/1 Disabled forcibly" 3. Open https://www.google.com. It looks broken like comment 0. ----- (Alice0775 White from bug 1642870 comment #6) > From reporter's attachment: > Multiprocess Windows: 0/1 Disabled forcibly > > You have disabled e10s for some reason. > So, this seems to be duplication of Bug 1638652. https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/locales/en-US/toolkit/about/aboutSupport.ftl#324 > multi-process-status-8 = Disabled forcibly https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5000 > kE10sForceDisabled = 8, https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5046-5050 > // Uber override pref for emergency blocking > if (gBrowserTabsRemoteAutostart && EnvHasValue("MOZ_FORCE_DISABLE_E10S")) { > gBrowserTabsRemoteAutostart = false; > status = kE10sForceDisabled; > } bug 1548941 removed the browser.tabs.remote.force-disable pref. The only way to force-disable e10s is setting the environment variable `MOZ_FORCE_DISABLE_E10S`. ----- Workarounds: Currently there are two ways to fix this problem. 1) Delete the `MOZ_FORCE_DISABLE_E10S` environment variable: https://docs.oracle.com/en/database/oracle/r-enterprise/1.5.1/oread/creating-and-modifying-environment-variables-on-windows.html 2) this bug: Use Firefox 79 as alpha version right now: https://nightly.mozilla.org. ----- Could someone please remove all support pages that suggest to set this env var? It force-disables WebRender as well. https://support.mozilla.org/en-US/questions/1265590 https://www.google.com/search?q=site%3Asupport.mozilla.org+MOZ_FORCE_DISABLE_E10S
Bug 1638652 Comment 14 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
[Tracking Requested - why for this release]: Given that this bug broke Google.com for all users who have disabled E10S, this should probably be uplifted into release? STR: 1. Open Powershell on Win10. Run: `$env:MOZ_FORCE_DISABLE_E10S="1"; &"C:\Program Files\Mozilla Firefox\firefox.exe"` 2. Open about:support: "Multiprocess Windows: 0/1 Disabled forcibly" 3. Open https://www.google.com. It looks broken like comment 0. 4. Run `$env:MOZ_FORCE_DISABLE_E10S="";` to unset the env var. ----- (Alice0775 White from bug 1642870 comment #6) > From reporter's attachment: > Multiprocess Windows: 0/1 Disabled forcibly > > You have disabled e10s for some reason. > So, this seems to be duplication of Bug 1638652. https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/locales/en-US/toolkit/about/aboutSupport.ftl#324 > multi-process-status-8 = Disabled forcibly https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5000 > kE10sForceDisabled = 8, https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5046-5050 > // Uber override pref for emergency blocking > if (gBrowserTabsRemoteAutostart && EnvHasValue("MOZ_FORCE_DISABLE_E10S")) { > gBrowserTabsRemoteAutostart = false; > status = kE10sForceDisabled; > } bug 1548941 removed the browser.tabs.remote.force-disable pref. The only way to force-disable e10s is setting the environment variable `MOZ_FORCE_DISABLE_E10S`. ----- Workarounds: Currently there are two ways to fix this problem. 1) Delete the `MOZ_FORCE_DISABLE_E10S` environment variable: https://docs.oracle.com/en/database/oracle/r-enterprise/1.5.1/oread/creating-and-modifying-environment-variables-on-windows.html 2) this bug: Use Firefox 79 as alpha version right now: https://nightly.mozilla.org. ----- Could someone please remove all support pages that suggest to set this env var? It force-disables WebRender as well. https://support.mozilla.org/en-US/questions/1265590 https://www.google.com/search?q=site%3Asupport.mozilla.org+MOZ_FORCE_DISABLE_E10S
[Tracking Requested - why for this release]: Given that this bug broke Google.com for all users who have disabled E10S, this should probably be uplifted into release? STR: 1. Open Powershell on Win10. Run: `$env:MOZ_FORCE_DISABLE_E10S="1"; &"C:\Program Files\Mozilla Firefox\firefox.exe"` 2. Open about:support: "Multiprocess Windows: 0/1 Disabled forcibly" 3. Open https://www.google.com. It looks broken like comment 0. 4. Run `$env:MOZ_FORCE_DISABLE_E10S="";` to unset the env var. ----- (Alice0775 White from bug 1642870 comment #6) > From reporter's attachment: > Multiprocess Windows: 0/1 Disabled forcibly > > You have disabled e10s for some reason. > So, this seems to be duplication of Bug 1638652. https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/locales/en-US/toolkit/about/aboutSupport.ftl#324 > multi-process-status-8 = Disabled forcibly https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5000 > kE10sForceDisabled = 8, https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5046-5050 > // Uber override pref for emergency blocking > if (gBrowserTabsRemoteAutostart && EnvHasValue("MOZ_FORCE_DISABLE_E10S")) { > gBrowserTabsRemoteAutostart = false; > status = kE10sForceDisabled; > } bug 1548941 removed the browser.tabs.remote.force-disable pref. The only way to force-disable e10s is setting the environment variable `MOZ_FORCE_DISABLE_E10S`. ----- Workarounds: 1) Delete the `MOZ_FORCE_DISABLE_E10S` environment variable: https://docs.oracle.com/en/database/oracle/r-enterprise/1.5.1/oread/creating-and-modifying-environment-variables-on-windows.html 2) this bug: Use Firefox 79 as alpha version right now: https://nightly.mozilla.org. 3) Disable gzip, deflate and brotli by changing network.http.accept-encoding and network.http.accept-encoding.secure to an empty string. ----- Could someone please remove all support pages that suggest to set this env var? It force-disables WebRender as well. https://support.mozilla.org/en-US/questions/1265590 https://www.google.com/search?q=site%3Asupport.mozilla.org+MOZ_FORCE_DISABLE_E10S
[Tracking Requested - why for this release]: Given that this bug broke Google.com for all users who have disabled E10S, this should probably be uplifted into release? STR: 1. Open Powershell on Win10. Run: `$env:MOZ_FORCE_DISABLE_E10S="1"; &"C:\Program Files\Mozilla Firefox\firefox.exe"` 2. Open about:support: "Multiprocess Windows: 0/1 Disabled forcibly" 3. Open https://www.google.com. It looks broken like comment 0. 4. Run `$env:MOZ_FORCE_DISABLE_E10S="";` to unset the env var. ----- (Alice0775 White from bug 1642870 comment #6) > From reporter's attachment: > Multiprocess Windows: 0/1 Disabled forcibly > > You have disabled e10s for some reason. > So, this seems to be duplication of Bug 1638652. https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/locales/en-US/toolkit/about/aboutSupport.ftl#324 > multi-process-status-8 = Disabled forcibly https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5000 > kE10sForceDisabled = 8, https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5046-5050 > // Uber override pref for emergency blocking > if (gBrowserTabsRemoteAutostart && EnvHasValue("MOZ_FORCE_DISABLE_E10S")) { > gBrowserTabsRemoteAutostart = false; > status = kE10sForceDisabled; > } bug 1548941 removed the browser.tabs.remote.force-disable pref. The only way to force-disable e10s is setting the environment variable `MOZ_FORCE_DISABLE_E10S`. ----- There are three workarounds: 1) Delete the `MOZ_FORCE_DISABLE_E10S` environment variable: https://docs.oracle.com/en/database/oracle/r-enterprise/1.5.1/oread/creating-and-modifying-environment-variables-on-windows.html 2) this bug: Use Firefox 79 as alpha version right now: https://nightly.mozilla.org. 3) Disable gzip, deflate and brotli by changing network.http.accept-encoding and network.http.accept-encoding.secure to an empty string. ----- Could someone please remove all support pages that suggest to set this env var? It force-disables WebRender as well. https://support.mozilla.org/en-US/questions/1265590 https://www.google.com/search?q=site%3Asupport.mozilla.org+MOZ_FORCE_DISABLE_E10S
[Tracking Requested - why for this release]: Given that this bug broke Google.com for all users who have disabled E10S, this should probably be uplifted into release? STR: 1. Open Powershell on Win10. Run: `$env:MOZ_FORCE_DISABLE_E10S="1"; &"C:\Program Files\Mozilla Firefox\firefox.exe"` 2. Open about:support: "Multiprocess Windows: 0/1 Disabled forcibly" 3. Open https://www.google.com. It looks broken like comment 0. 4. Run `$env:MOZ_FORCE_DISABLE_E10S="";` to unset the env var. ----- (Alice0775 White from bug 1642870 comment #6) > From reporter's attachment: > Multiprocess Windows: 0/1 Disabled forcibly > > You have disabled e10s for some reason. > So, this seems to be duplication of Bug 1638652. https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/locales/en-US/toolkit/about/aboutSupport.ftl#324 > multi-process-status-8 = Disabled forcibly https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5000 > kE10sForceDisabled = 8, https://searchfox.org/mozilla-central/rev/7cadba1d8b8feaec4615f5bb98aac4b8a719793c/toolkit/xre/nsAppRunner.cpp#5046-5050 > // Uber override pref for emergency blocking > if (gBrowserTabsRemoteAutostart && EnvHasValue("MOZ_FORCE_DISABLE_E10S")) { > gBrowserTabsRemoteAutostart = false; > status = kE10sForceDisabled; > } bug 1548941 removed the browser.tabs.remote.force-disable pref. The only way to force-disable e10s is setting the environment variable `MOZ_FORCE_DISABLE_E10S`. ----- There are three workarounds: 1) Best solution: Delete the `MOZ_FORCE_DISABLE_E10S` environment variable: * Win10: Open your start menu, type "env", open "Edit the system environment variables", click on the "Environment variables" button, search for a `MOZ_FORCE_DISABLE_E10S` entry, select it, click on the "Delete" button, click on "OK" and restart Win10. * Win7: https://docs.oracle.com/en/database/oracle/r-enterprise/1.5.1/oread/creating-and-modifying-environment-variables-on-windows.html 2) Not a long-term solution: Use Firefox 79 as alpha version right now: https://nightly.mozilla.org. 3) Don't do this: Disable gzip, deflate and brotli by changing network.http.accept-encoding and network.http.accept-encoding.secure to an empty string. ----- Could someone please remove all support pages that suggest to set this env var? It force-disables WebRender as well. https://support.mozilla.org/en-US/questions/1265590 https://www.google.com/search?q=site%3Asupport.mozilla.org+MOZ_FORCE_DISABLE_E10S