WORKAROUND IDENTIFIED. PROBABLE SOURCE OF BUG IDENTIFIED.
Using Unity Tweak, I changed the Theme from "High Contrast" to "Ambience". Missing menus are now visible. Change back to Ambience and bug recurs. The cause of this bug seems to be related to the "High Contrast" Theme. This workaround also applies to the related bug #1439992 GIMP - Menus not displaying in Title Bar of GIMP Windows in 15.04. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to thunderbird in Ubuntu. https://bugs.launchpad.net/bugs/1440274 Title: Thunderbird Menus Not Displaying In Top Menu Bar of Windows Status in thunderbird package in Ubuntu: New Bug description: Ubuntu 15.04 64 Bit Developer Version Thunderbird 31.6.0 The menus in Thunderbird are missing from the top bar of windows in Thunderbird. See attached screen shot. This bug may be related to Bug " #1439992 GIMP - Menus not displaying in Title Bar of GIMP Windows in 15.04 " as the symptoms are very similar. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: thunderbird 1:31.6.0+build1-0ubuntu1 ProcVersionSignature: Ubuntu 3.19.0-11.11-generic 3.19.3 Uname: Linux 3.19.0-11-generic x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.17-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: royg 2230 F.... pulseaudio /dev/snd/controlC0: royg 2230 F.... pulseaudio BuildID: 20150330215555 Channel: Unavailable CurrentDesktop: Unity Date: Sat Apr 4 11:55:23 2015 ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback IncompatibleExtensions: Lightning - {e2fda1a4-762b-4020-b5ad-a41df1933103} English (GB) Language Pack - langpack-en...@thunderbird.mozilla.org Thunderbird (default) - {972ce4c6-7e08-4474-a285-3208198ce6fd} InstallationDate: Installed on 2014-09-02 (214 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) IpRoute: default via 192.168.1.1 dev wlan0 proto static metric 1024 169.254.0.0/16 dev wlan0 scope link metric 1000 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.12 MostRecentCrashID: bp-039d8d34-cf49-4827-9bbd-ddf242140822 PrefSources: prefs.js Profiles: Profile0 (Default) - LastVersion=31.6.0/20150330215555 (In use) RelatedPackageVersions: rhythmbox-mozilla 3.1-1ubuntu2 browser-plugin-vlc 2.0.6-4 gecko-mediaplayer 1.0.9-2ubuntu1 RunningIncompatibleAddons: True SourcePackage: thunderbird SubmittedCrashIDs: bp-039d8d34-cf49-4827-9bbd-ddf242140822 bp-5c18683d-2e43-4cba-9c5f-4bbea2140806 bp-80dc061e-16e0-4849-92a2-815392140726 UpgradeStatus: Upgraded to vivid on 2015-04-02 (1 days ago) dmi.bios.date: 12/12/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 4.6.5 dmi.board.asset.tag: Tag 12345 dmi.board.name: W740SU dmi.board.vendor: Notebook dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: Notebook dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd12/12/2013:svnSystem76,Inc.:pnGalagoUltraPro:pvrgalu1:rvnNotebook:rnW740SU:rvrNotApplicable:cvnNotebook:ct9:cvrN/A: dmi.product.name: Galago UltraPro dmi.product.version: galu1 dmi.sys.vendor: System76, Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1440274/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
