Carl Englund, the next step is to fully commit bisect from kernel 4.0.9 to 4.4 in order to identify the last good kernel commit, followed immediately by the first bad one. This will allow for a more expedited analysis of the root cause of your issue. Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection ?
Please note, finding adjacent kernel versions is not fully commit bisecting. Also, the kernel release names are irrelevant for the purposes of bisecting. It is most helpful that after the fix commit (not kernel version) has been identified, you then mark this report Status Confirmed. Thank you for your help. ** Tags added: needs-bisect regression-release ** Changed in: linux (Ubuntu) Status: Triaged => Incomplete -- 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/1590154 Title: System slow unless using touchpad Status in linux package in Ubuntu: Incomplete Bug description: I tested this installing the Disks tool and running a read-only benchmark. The transfer rate is very slow (2-3 MB/s) unless I'm moving the cursor, then it jumps up. As I understand this could have something to do with triggering/handling interrupts. In this context it might be relevant to know that installing and running Xenial, I now need to have nolapic or noapic (or both) for the system to work at all. This is not the case with Trusty (also installed on this machine). ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-22-generic 4.4.0-22.40 ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8 Uname: Linux 4.4.0-22-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: diskdoc 1089 F.... pulseaudio CurrentDesktop: XFCE Date: Wed Jun 8 00:07:19 2016 HibernationDevice: RESUME=UUID=522810df-638a-412b-9aab-791e2e2bc545 InstallationDate: Installed on 2016-06-07 (0 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) MachineType: Hewlett-Packard HP Compaq 6715s (RU655ET#AK8) PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic root=UUID=3a37ee65-4c02-4a95-b814-f4538a4a308d ro noapic quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-22-generic N/A linux-backports-modules-4.4.0-22-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/25/2008 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68YTT Ver. F.0E dmi.board.name: 30C2 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 71.2D dmi.chassis.asset.tag: CNU7201T8J dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68YTTVer.F.0E:bd11/25/2008:svnHewlett-Packard:pnHPCompaq6715s(RU655ET#AK8):pvrF.0E:rvnHewlett-Packard:rn30C2:rvrKBCVersion71.2D:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP Compaq 6715s (RU655ET#AK8) dmi.product.version: F.0E dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1590154/+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