It did occur to me that it might be a BIOS issue. In any case I have now upgraded the bios from A07 to A08 and the symptoms remain the same.
Following the BIOS update the output of terminal command is - A08 07/10/2007 On 27/02/14 08:00, Christopher M. Penalver wrote: > Terry Relph-Knight, as per > http://www.dell.com/support/drivers/us/en/19/Product/xps-m1210 an update to > your BIOS is available (A08). If you update to this following > https://help.ubuntu.com/community/BiosUpdate does it change anything? If it > doesn't, could you please both specify what happened, and provide the output > of the following terminal command: > sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date > > Please note your current BIOS is already in the Bug Description, so > posting this on the old BIOS would not be helpful. > > For more on BIOS updates and linux, please see > https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette > . > > Thank you for your understanding. > > ** Summary changed: > > - BUG: unable to handle kernel NULL pointer dereference at (null) > + [Dell XPS M1210] BUG: unable to handle kernel NULL pointer dereference at > (null) > -- 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/1283741 Title: [Dell XPS M1210] BUG: unable to handle kernel NULL pointer dereference at (null) Status in “linux” package in Ubuntu: Incomplete Bug description: With my Dell XPS M1210 Model PP11S, on boot Ubuntu 14.04 does not always initialise the keyboard or mouse correctly. So a logon password cannot be entered. Sometimes if the mouse pad is working it is possible to switch to the guest account and then back to a user account to get the keyboard working. Sometimes after that the mousepad stops working. ProblemType: KernelOops DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-11-generic 3.13.0-11.31 ProcVersionSignature: Ubuntu 3.13.0-11.31-generic 3.13.3 Uname: Linux 3.13.0-11-generic x86_64 Annotation: Your system might become unstable now and might need to be restarted. ApportVersion: 2.13.2-0ubuntu5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: lightdm 1470 F.... pulseaudio terry 2094 F.... pulseaudio /dev/snd/controlC1: lightdm 1470 F.... pulseaudio terry 2094 F.... pulseaudio Date: Sat Feb 22 04:02:18 2014 DuplicateSignature: BUG: unable to handle kernel NULL pointer dereference at (null) RIP: 0010:location [< (null)>] (null) Failure: oops HibernationDevice: RESUME=UUID=f92e41d7-fced-4671-90a1-863549fc5dd6 InstallationDate: Installed on 2013-10-17 (128 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: Dell Inc. MXC062 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-11-generic root=UUID=4452a452-61fa-46fd-8b59-59c990e902b2 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+git20090217-3ubuntu4 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux Title: BUG: unable to handle kernel NULL pointer dereference at (null) UpgradeStatus: Upgraded to trusty on 2014-01-25 (29 days ago) dmi.bios.date: 04/02/2007 dmi.bios.vendor: Dell Inc. dmi.bios.version: A07 dmi.board.name: 0RT486 dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA07:bd04/02/2007:svnDellInc.:pnMXC062:pvr:rvnDellInc.:rn0RT486:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: MXC062 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1283741/+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
