[Bug 1320450] [NEW] page up/page down/home/end don't work properly in firefox 29

[Alistair Buxton]

Public bug reported:

To reproduce:

1. Go to youtube.com (logged in or not, doesn't matter.)
2. Press page down: nothing happens.
3. Click the grey background of the page.
3. Press page down: you go instantly to the bottom of the page.
4. Press page up a few times: you are stuck at the bottom.
5. Press home/end: they don't work at all.

This bug is not only limited to youtube.com, it happens on many
websites.

It is not something that I ever noticed with Firefox 28 and earlier.

I have reproduced the bug in safe mode.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: firefox 29.0+build1-0ubuntu0.14.04.2
ProcVersionSignature: Ubuntu 3.13.0-8.28-generic 3.13.2
Uname: Linux 3.13.0-8-generic x86_64
NonfreeKernelModules: nvidia
AddonCompatCheckDisabled: False
ApportVersion: 2.14.1-0ubuntu3.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC2:  al         2261 F.... pulseaudio
 /dev/snd/controlC1:  al         2261 F.... pulseaudio
 /dev/snd/controlC0:  al         2261 F.... pulseaudio
BuildID: 20140428193813
Channel: Unavailable
CurrentDesktop: XFCE
Date: Sat May 17 10:17:07 2014
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions:
 English (GB) Language Pack - langpack-en-GB at firefox.mozilla.org
 English (South Africa) Language Pack - langpack-en-ZA at firefox.mozilla.org
 Default - {972ce4c6-7e08-4474-a285-3208198ce6fd}
InstallationDate: Installed on 2014-02-11 (94 days ago)
InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140210)
IpRoute:
 default via 192.168.0.1 dev eth0  proto static 
 192.168.0.0/24 dev eth0  proto kernel  scope link  src 192.168.0.5  metric 1
MostRecentCrashID: bp-7358c5d0-44ec-414f-98ab-e1cb92131216
PrefSources:
 prefs.js
 [Profile]/extensions/{3d7eb24f-2740-49df-8937-200b1cc08f8a}/defaults/preferences/flashblock.js
Profiles: Profile0 (Default) - LastVersion=29.0/20140428193813
RelatedPackageVersions:
 rhythmbox-mozilla 3.0.2-0ubuntu2
 totem-mozilla     3.10.1-1ubuntu4
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/25/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0704
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M4A79XTD EVO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0X
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0704:bd11/25/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A79XTDEVO:rvrRevX.0X:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug third-party-packages trusty

** Attachment removed: "SubmittedCrashIDs.txt"
   https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1320450/+attachment/4114287/+files/SubmittedCrashIDs.txt

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Title:
  page up/page down/home/end don't work properly in firefox 29

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