921511 - X3100 dropdown regression if layers.offmainthreadcomposition.testing.enabled and layers.offmainthreadcomposition.enabled is toggled true

Status: RESOLVED DUPLICATE of bug 875209

(Firefox :: Untriaged, defect)

Description

[Rakshith]

User Agent: Mozilla/5.0 (Windows NT 6.2; rv:27.0) Gecko/20100101 Firefox/27.0 (Beta/Release)
Build ID: 20130927040201

Steps to reproduce:

enabling "layers.offmainthreadcomposition.testing.enabled" and "layers.offmainthreadcomposition.enabled" in UX Nightly on x3100 pc's prevents browser dropdown tools from displaying except the bookmarks dropdown.


Actual results:

here is my original post https://bugzilla.mozilla.org/show_bug.cgi?id=875209
I've narrowed down the non technical problem to these two booleans. 
I'll leave the rest to you devs

Comment 1

[Rakshith]

UPDATE: the above detailed workaround worked only on a new profile I tested, teying this on my present profile didnt work.
 here is my config 
Application Basics
------------------

Name: Firefox
Version: 27.0a1
User Agent: Mozilla/5.0 (Windows NT 6.2; rv:27.0) Gecko/20100101 Firefox/27.0

Extensions
----------

Name: Adblock Plus
Version: 2.3.2.3720
Enabled: true
ID: {d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}

Name: Suspend background tabs
Version: 1.0.1
Enabled: false
ID: [e-mail]

Important Modified Preferences
------------------------------

accessibility.browsewithcaret_shortcut.enabled: false
accessibility.delay_plugins: true
accessibility.typeaheadfind.flashBar: 0
browser.cache.check_doc_frequency: 1
browser.cache.disk.capacity: 1048576
browser.cache.disk.smart_size.first_run: false
browser.cache.disk.smart_size.use_old_max: false
browser.cache.disk.smart_size_cached_value: 358400
browser.places.smartBookmarksVersion: 4
browser.privatebrowsing.dont_prompt_on_enter: true
browser.search.suggest.enabled: false
browser.search.update: false
browser.search.update.interval: 99999999
browser.sessionstore.restore_pinned_tabs_on_demand: true
browser.sessionstore.upgradeBackup.latestBuildID: 20130824040224
browser.startup.homepage: about:home
browser.startup.homepage_override.buildID: 20130927040201
browser.startup.homepage_override.mstone: 27.0a1
browser.tabs.remote: true
dom.battery.enabled: false
dom.experimental_forms: true
dom.forms.color: true
dom.forms.number: true
dom.gamepad.enabled: false
dom.gamepad.non_standard_events.enabled: false
dom.indexedDB.experimental: true
dom.mozApps.used: true
dom.mozTCPSocket.enabled: true
dom.sms.requestStatusReport: false
dom.vibrator.enabled: false
dom.w3c_touch_events.expose: false
extensions.lastAppVersion: 27.0a1
font.internaluseonly.changed: true
gfx.color_management.enablev4: true
gfx.direct2d.force-enabled: true
gfx.direct3d.last_used_feature_level_idx: 1
gfx.downloadable_fonts.fallback_delay: 2000
gfx.filter.nearest.force-enabled: true
gfx.font_rendering.cleartype.always_use_for_content: true
gfx.font_rendering.directwrite.enabled: true
gfx.font_rendering.fallback.always_use_cmaps: true
gfx.use_text_smoothing_setting: true
javascript.options.ion.chrome: true
javascript.options.mem.disable_explicit_compartment_gc: false
javascript.options.showInConsole: false
javascript.options.typeinference.chrome: true
layers.acceleration.force-enabled: true
layers.async-video.enabled: true
layers.composer2d.enabled: true
layers.force-active: true
layers.offmainthreadcomposition.animate-opacity: true
layers.offmainthreadcomposition.animate-transform: true
layers.offmainthreadcomposition.async-animations: true
layers.offmainthreadcomposition.enabled: true
layers.offmainthreadcomposition.force-basic: true
layers.offmainthreadcomposition.testing.enabled: true
media.autoplay.enabled: false
media.mediasource.enabled: true
media.webvtt.enabled: true
network.cookie.prefsMigrated: true
network.http.max-persistent-connections-per-server: 8
network.http.pipelining: true
network.http.pipelining.aggressive: true
network.http.pipelining.max-optimistic-requests: 8
network.http.pipelining.ssl: true
network.http.proxy.pipelining: true
places.database.lastMaintenance: 1379780850
places.history.expiration.transient_current_max_pages: 53435
plugin.allow.asyncdrawing: true
plugin.disable_full_page_plugin_for_types: application/pdf
plugin.importedState: true
plugin.scan.WindowsMediaPlayer: 19.0
plugin.state.flash: 0
privacy.cpd.cookies: false
privacy.cpd.sessions: false
privacy.sanitize.migrateFx3Prefs: true
privacy.sanitize.timeSpan: 0
security.disable_button.openCertManager: false
security.disable_button.openDeviceManager: false
security.OCSP.disable_button.managecrl: false
security.warn_viewing_mixed: false
storage.vacuum.last.index: 0
storage.vacuum.last.places.sqlite: 1377259378
webgl.enable-draft-extensions: true
webgl.force-enabled: true
webgl.msaa-force: true

Graphics
--------

Adapter Description: Mobile Intel(R) 965 Express Chipset Family (Microsoft Corporation - WDDM 1.1)
Adapter Drivers: igdumd32 igd10umd32
Adapter RAM: Unknown
ClearType Parameters: Gamma: 2200 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 100
Device ID: 0x2a02
Direct2D Enabled: true
DirectWrite Enabled: true (6.2.9200.16581)
Driver Date: 10-1-2012
Driver Version: 8.15.10.2697
GPU #2 Active: false
GPU Accelerated Windows: 1/1 Direct3D 11 (OMTC)
Vendor ID: 0x8086
WebGL Renderer: Google Inc. -- ANGLE (Mobile Intel(R) 965 Express Chipset Family (Microsoft Corporation - WDDM 1.1) Direct3D9Ex vs_3_0 ps_3_0)
windowLayerManagerRemote: true
AzureCanvasBackend: direct2d
AzureContentBackend: direct2d
AzureFallbackCanvasBackend: cairo
AzureSkiaAccelerated: 0

JavaScript
----------

Incremental GC: true

Accessibility
-------------

Activated: false
Prevent Accessibility: 0

Library Versions
----------------

NSPR
Expected minimum version: 4.10.1
Version in use: 4.10.1

NSS
Expected minimum version: 3.15.2 Basic ECC Beta
Version in use: 3.15.2 Basic ECC Beta

NSSSMIME
Expected minimum version: 3.15.2 Basic ECC Beta
Version in use: 3.15.2 Basic ECC Beta

NSSSSL
Expected minimum version: 3.15.2 Basic ECC Beta
Version in use: 3.15.2 Basic ECC Beta

NSSUTIL
Expected minimum version: 3.15.2 Beta
Version in use: 3.15.2 Beta

Comment 2

[Drew Willcoxon :adw]

This seems to be additional info for bug 875209 rather than a different bug, correct?  Please post it there instead of filing new bugs.