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-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1732056 Title: Touchpad stops working after a few seconds in Lenovo ideapad 320 Status in HWE Next: Triaged Status in linux package in Ubuntu: Triaged Status in linux-oem package in Ubuntu: Invalid Status in linux source package in Xenial: Invalid Status in linux-oem source package in Xenial: Fix Committed Bug description: === SRU Justifications === [Impact] Touchpad freezes after a brief usage. [Fix] Quote from the commit log: "The stale cached value written at the final stage undoes the masking. Fix this by re-reading the register before clearing the interrupt. I also spotted that the interrupt-clearing code can race against amd_gpio_irq_mask() / amd_gpio_irq_unmask(), so add locking there. Presumably this race was leading to the loss of interrupts." [Test Case] Touchpad no longer freezes on ideapad 320-15ABR, a new Dell Latitude and a new Dell Inspiron. [Regression Potential] Low. It limits to AMD laptops === Original Bug Report === I have installed ubuntu bionic on a Lenovo ideapad 320. The touchpad stops working a few seconds after I log in. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.13.0-16-generic 4.13.0-16.19 ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 ApportVersion: 2.20.7-0ubuntu4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: rebeca 1440 F.... pulseaudio /dev/snd/controlC0: rebeca 1440 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Mon Nov 13 20:03:41 2017 InstallationDate: Installed on 2017-09-22 (53 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170918) MachineType: LENOVO 80XS ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic.efi.signed root=UUID=1e55f665-bd98-4113-9ae8-ec766bfc424f ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.13.0-16-generic N/A linux-backports-modules-4.13.0-16-generic N/A linux-firmware 1.169 SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2017-11-14 (0 days ago) dmi.bios.date: 05/22/2017 dmi.bios.vendor: LENOVO dmi.bios.version: 5QCN16WW dmi.board.asset.tag: No Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40700WIN dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo ideapad 320-15ABR dmi.modalias: dmi:bvnLENOVO:bvr5QCN16WW:bd05/22/2017:svnLENOVO:pn80XS:pvrLenovoideapad320-15ABR:rvnLENOVO:rnLNVNB161216:rvrSDK0J40700WIN:cvnLENOVO:ct10:cvrLenovoideapad320-15ABR: dmi.product.family: ideapad 320-15ABR dmi.product.name: 80XS dmi.product.version: Lenovo ideapad 320-15ABR dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1732056/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
