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 v4.13 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/v4.13.1 ** 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/1716439 Title: BUG: unable to handle kernel NULL pointer dereference at (null) Status in linux package in Ubuntu: Incomplete Bug description: editing with Pitivi, playing video with VLC ProblemType: KernelOops DistroRelease: Ubuntu 17.10 Package: linux-image-4.12.0-13-generic 4.12.0-13.14 ProcVersionSignature: Ubuntu 4.12.0-13.14-generic 4.12.10 Uname: Linux 4.12.0-13-generic x86_64 Annotation: Your system might become unstable now and might need to be restarted. ApportVersion: 2.20.7-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: gdm 1201 F.... pulseaudio hoek 1569 F.... pulseaudio Date: Mon Sep 11 17:53:29 2017 DuplicateSignature: BUG: unable to handle kernel NULL pointer dereference at (null) RIP: ilk_initial_watermarks+0x16/0x60 [i915] RSP: ffffad078257bca0 Failure: oops HibernationDevice: RESUME=UUID=46e20ba7-428e-4324-92ab-f49ec13ec004 InstallationDate: Installed on 2017-08-15 (26 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170815) MachineType: Hewlett-Packard HP EliteBook 2540p PccardctlStatus: Socket 0: 3.3V 16-bit PC Card Subdevice 0 (function 0) bound to driver "pata_pcmcia" ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.12.0-13-generic root=UUID=c6df22ed-fcc9-46ad-8630-0079dbd0d07a 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 (null) UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/08/2014 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68CSU Ver. F.50 dmi.board.name: 7008 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 38.34 dmi.chassis.asset.tag: CZC0346RWT dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68CSUVer.F.50:bd07/08/2014:svnHewlett-Packard:pnHPEliteBook2540p:pvr:rvnHewlett-Packard:rn7008:rvrKBCVersion38.34:cvnHewlett-Packard:ct10:cvr: dmi.product.family: 103C_5336AN dmi.product.name: HP EliteBook 2540p dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1716439/+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
