I have the same issue with kernel 4.11.1, very slow keypress on boot but if I reboot from the interface, it works as intended
-- 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/1572739 Title: Mac UEFI boot 24x slower keyboard/touchpad troubled Status in linux package in Ubuntu: Expired Bug description: When rebooting after a Linux session, the UEFI and grub boots are extremely slow and the process takes 3 minutes - As soon as the kernel boots, ie. luks input, everything is fine again - OS X boot and option-boot is slow too, fast after FileVault password input - Internal keyboard and touchpad is extremely slow, like 30 s per key press. - Plug in usb keyboard and mouse: works fine, while the internals are still slow After an OS X ession upgrading to 10.11.04, the boot got fast again - After the net Linux session, back to slow Impact: boot takes 3 minutes get-around: lots of patience, possibly use of external usb keyboard first discovered on 15.10, exists on 16.04 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-21-generic 4.4.0-21.37 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 Date: Wed Apr 20 14:29:51 2016 HibernationDevice: RESUME=/dev/mapper/C89-SWAP MachineType: Apple Inc. MacBookPro12,1 ProcEnviron: SHELL=/bin/bash TERM=xterm-256color PATH=(custom, user) LANG=en_US.UTF-8 LANGUAGE=en_US.UTF-8 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-21-generic.efi.signed root=/dev/mapper/C89-RFS ro quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.4.0-21-generic N/A linux-backports-modules-4.4.0-21-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: Upgraded to xenial on 2016-04-19 (1 days ago) dmi.bios.date: 10/26/2015 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP121.88Z.0167.B15.1510261437 dmi.board.name: Mac-E43C1C25D4880AD6 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro12,1 dmi.chassis.type: 9 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-E43C1C25D4880AD6 dmi.modalias: dmi:bvnAppleInc.:bvrMBP121.88Z.0167.B15.1510261437:bd10/26/2015:svnAppleInc.:pnMacBookPro12,1:pvr1.0:rvnAppleInc.:rnMac-E43C1C25D4880AD6:rvrMacBookPro12,1:cvnAppleInc.:ct9:cvrMac-E43C1C25D4880AD6: dmi.product.name: MacBookPro12,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1572739/+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
