Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.10 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10-rc2 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- 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/1652815 Title: Surface Pro 4 Touch/Pen requires IPTS Status in linux package in Ubuntu: Incomplete Bug description: Hardware: Microsoft Surface Pro 4, 4gb/128gb nvme drive Expected Behaviour: Pen/Touch function Actual Behaviour: Pen/Touch do not work or respond to anything Kernel/Ubuntu Versions: All Cause: Hardware requires IPTS (Intel Precision Touch & Stylus) to function. This is because touch processing is accelerated by the Intel Skylake GPU. IPTS driver can be found here: https://github.com/ipts-linux-org/ipts- linux-new/wiki Kernel compile under Debian with other Surface-specific patches can be found here: https://github.com/jimdigriz/debian-mssp4 On Reddit there are some custom kernels floating around with support patched in: https://www.reddit.com/r/SurfaceLinux/comments/4t64zt/getting_the_sp4_running_with_ubuntu_1604/ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1652815/+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
