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 v4.14 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/v4.14-rc2/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => 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/1718864 Title: BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 Status in linux package in Ubuntu: Incomplete Bug description: Ubuntu Artful Aardvark (development branch) Release: 17.10 Bluez 5.46 ProblemType: KernelOops DistroRelease: Ubuntu 17.10 Package: linux-image-4.13.0-11-generic 4.13.0-11.12 ProcVersionSignature: Ubuntu 4.13.0-11.12-generic 4.13.1 Uname: Linux 4.13.0-11-generic x86_64 Annotation: Your system might become unstable now and might need to be restarted. ApportVersion: 2.20.7-0ubuntu1 Architecture: amd64 Date: Fri Sep 22 15:11:53 2017 DuplicateSignature: BUG: unable to handle kernel NULL pointer dereference at location RIP: klist_next+0x16/0xb0 RSP: ffffabf7c40f3c70 Failure: oops InstallationDate: Installed on 2017-09-21 (0 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170914) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-11-generic.efi.signed root=UUID=23f296e8-85c6-49c5-8040-17830fef017b 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: kerneloops-daemon N/A SourcePackage: linux Title: BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/03/2016 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: KYSKLi70.86A.0037.2016.0603.1032 dmi.board.name: NUC6i7KYB dmi.board.vendor: Intel Corporation dmi.board.version: H90766-405 dmi.chassis.type: 3 dmi.chassis.vendor: Intel Corporation dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrKYSKLi70.86A.0037.2016.0603.1032:bd06/03/2016:svn:pn:pvr:rvnIntelCorporation:rnNUC6i7KYB:rvrH90766-405:cvnIntelCorporation:ct3:cvr1.0: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1718864/+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
