I've installed v3.19-rc7-vivid (thus now running 3.19.0-031900rc7-generic) and the dmesg message is gone now. Good!
FWIW: with linux-headers-3.19.0-031900rc7-generic_3.19.0-031900rc7.201502020035_amd64.deb linux-image-3.19.0-031900rc7-generic_3.19.0-031900rc7.201502020035_amd64.deb I did sudo dpkg -i *031900rc7-generic_3.19.0*deb and the kernel itself went OK, but the headers didn't: Errors were encountered while processing: linux-headers-3.19.0-031900rc7-generic But could be a noob thing, but I can't find it. Tips welcome Full log: sander@superstreamer:~/Downloads/3.19.0-031900rc7$ sudo dpkg -i *deb (Reading database ... 187321 files and directories currently installed.) Preparing to unpack linux-headers-3.19.0-031900rc7-generic_3.19.0-031900rc7.201502020035_amd64.deb ... Unpacking linux-headers-3.19.0-031900rc7-generic (3.19.0-031900rc7.201502020035) over (3.19.0-031900rc7.201502020035) ... Preparing to unpack linux-image-3.19.0-031900rc7-generic_3.19.0-031900rc7.201502020035_amd64.deb ... Done. Unpacking linux-image-3.19.0-031900rc7-generic (3.19.0-031900rc7.201502020035) over (3.19.0-031900rc7.201502020035) ... Examining /etc/kernel/postrm.d . run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.19.0-031900rc7-generic /boot/vmlinuz-3.19.0-031900rc7-generic run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.19.0-031900rc7-generic /boot/vmlinuz-3.19.0-031900rc7-generic dpkg: dependency problems prevent configuration of linux-headers-3.19.0-031900rc7-generic: linux-headers-3.19.0-031900rc7-generic depends on linux-headers-3.19.0-031900rc7; however: Package linux-headers-3.19.0-031900rc7 is not installed. dpkg: error processing package linux-headers-3.19.0-031900rc7-generic (--install): dependency problems - leaving unconfigured Setting up linux-image-3.19.0-031900rc7-generic (3.19.0-031900rc7.201502020035) ... Running depmod. update-initramfs: deferring update (hook will be called later) Not updating initrd symbolic links since we are being updated/reinstalled (3.19.0-031900rc7.201502020035 was configured last, according to dpkg) Not updating image symbolic links since we are being updated/reinstalled (3.19.0-031900rc7.201502020035 was configured last, according to dpkg) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 3.19.0-031900rc7-generic /boot/vmlinuz-3.19.0-031900rc7-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.19.0-031900rc7-generic /boot/vmlinuz-3.19.0-031900rc7-generic update-initramfs: Generating /boot/initrd.img-3.19.0-031900rc7-generic run-parts: executing /etc/kernel/postinst.d/pm-utils 3.19.0-031900rc7-generic /boot/vmlinuz-3.19.0-031900rc7-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 3.19.0-031900rc7-generic /boot/vmlinuz-3.19.0-031900rc7-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.19.0-031900rc7-generic /boot/vmlinuz-3.19.0-031900rc7-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-3.19.0-031900rc7-generic Found initrd image: /boot/initrd.img-3.19.0-031900rc7-generic Found linux image: /boot/vmlinuz-3.18.0-12-generic Found initrd image: /boot/initrd.img-3.18.0-12-generic Found Windows Boot Manager on /dev/mmcblk0p1@/EFI/Microsoft/Boot/bootmgfw.efi Found Debian GNU/Linux (wheezy/sid) on /dev/mmcblk1p2 Adding boot menu entry for EFI firmware configuration done Errors were encountered while processing: linux-headers-3.19.0-031900rc7-generic sander@superstreamer:~/Downloads/3.19.0-031900rc7$ ** Tags added: kernel-fixed-upstream -- 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/1418286 Title: kernel BUG at /build/buildd/linux-3.18.0/mm/slub.c:3334! Status in linux package in Ubuntu: Confirmed Bug description: This is a fresh install. On the first boot, I did an `apt-get update && apt-get dist-upgrade", then this error has been showing up on every boot since. ProblemType: KernelOops DistroRelease: Ubuntu 15.04 Package: linux-image-3.18.0-12-generic 3.18.0-12.13 ProcVersionSignature: Ubuntu 3.18.0-12.13-generic 3.18.4 Uname: Linux 3.18.0-12-generic x86_64 Annotation: Your system might become unstablenow and might need to be restarted. ApportVersion: 2.15.1-0ubuntu4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: vader 2429 F.... pulseaudio /dev/snd/controlC1: vader 2429 F.... pulseaudio Date: Wed Feb 4 18:34:37 2015 Failure: oops HibernationDevice: RESUME=UUID=11449e64-6ee6-4d54-b336-bce8608c56c9 InstallationDate: Installed on 2015-02-04 (0 days ago) InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Alpha amd64 (20141218) MachineType: ASUSTeK COMPUTER INC. Q501LA ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.18.0-12-generic root=UUID=3f2d8fd8-7c79-4d11-ae2d-b0cd1b27db9c 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 0.12+git20090217-3ubuntu8 SourcePackage: linux Title: kernel BUG at /build/buildd/linux-3.18.0/mm/slub.c:3334! UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/19/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: Q501LA.207 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: Q501LA dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrQ501LA.207:bd06/19/2013:svnASUSTeKCOMPUTERINC.:pnQ501LA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnQ501LA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: Q501LA dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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