** Description changed: - I started seeing this immediately after installing updates that included - xserver-xorg-input-synaptics from 1.5.99.901-0ubuntu2 to - 1.5.99.902-0ubuntu1 and rebooting. + xorg-server SRU Justification + ============================= + [Impact] + When a laptop is suspended, X disables the input devices. If X believes the hardware has a button press when the device is disabled, it will not release the button on resume and device enabling. With tap to click turned out, the volatile mix of the touchpad and the LCD screen on lid closure can cause this problem on suspend/resume. + + [Development Fix] + A one-line patch from upstream has been added to xorg-server 1.11.4-0ubuntu11. The patch can be seen in the SRU debdiff. It simply releases the buttons when an input device is disabled. + + [Stable Fix] + The same one-line patch for the development fix has been made to xorg-server 1.11.4-0ubuntu10.2. Please see the attached xorg-server SRU debdiff. + + [Test Case] + Close and open the lid to perform a suspend resume cycle on a MacBook Air. Repeat multiple times. Note that there will be issues until an SRU for xserver-xorg-input-synaptics is available too. + + [Regression Potential] + Very minimal. The one-line change releases the buttons when an input device is disabled. It is a trivial fix. + + Original Bug Report + =================== + I started seeing this immediately after installing updates that included xserver-xorg-input-synaptics from 1.5.99.901-0ubuntu2 to 1.5.99.902-0ubuntu1 and rebooting. When I initiate a suspend by closing the lid, after resuming the touchpad no longer works at all. I can see a stream of events by switching to a vt and running input events, and if I restart the display manager the touchpad starts working again. I do not see this issue if I initiate suspend from the menu, only when closing the lid. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: xserver-xorg-input-synaptics 1.5.99.902-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12 Uname: Linux 3.2.0-20-generic x86_64 ApportVersion: 1.95-0ubuntu1 Architecture: amd64 Date: Thu Mar 29 23:01:23 2012 DistUpgraded: Fresh install DistroCodename: precise DistroVariant: ubuntu EcryptfsInUse: Yes InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64+mac (20111208) MachineType: Apple Inc. MacBookAir4,1 ProcEnviron: - TERM=xterm - SHELL=/bin/bash - PATH=(custom, user) - LANG=en_US.UTF-8 + TERM=xterm + SHELL=/bin/bash + PATH=(custom, user) + LANG=en_US.UTF-8 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz root=UUID=f4af0efe-df4b-4d74-8995-7081cf79889c ro SourcePackage: xserver-xorg-input-synaptics UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/14/2011 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBA41.88Z.0077.B0E.1110141154 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-C08A6BB70A942AC2 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookAir4,1 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-C08A6BB70A942AC2 dmi.modalias: dmi:bvnAppleInc.:bvrMBA41.88Z.0077.B0E.1110141154:bd10/14/2011:svnAppleInc.:pnMacBookAir4,1:pvr1.0:rvnAppleInc.:rnMac-C08A6BB70A942AC2:rvrMacBookAir4,1:cvnAppleInc.:ct10:cvrMac-C08A6BB70A942AC2: dmi.product.name: MacBookAir4,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. version.compiz: compiz 1:0.9.7.2-0ubuntu4 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.32-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2
** Attachment added: "xorg-server SRU debdiff" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/968845/+attachment/3132422/+files/patch -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/968845 Title: bcm5974 touchpad doesn't work after S3 on MacBookAir To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-input-synaptics/+bug/968845/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
