Ben Harris, could you please test the latest upstream kernel available from the very top line at the top of the page (the release names are irrelevant for testing, and please do not test the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue.
If the test did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description: kernel-fixed-upstream kernel-fixed-upstream-X.Y-rcZ Where XY and Z are numbers corresponding to the kernel version. If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-X.Y-rcZ Please note, an error to install the kernel does not fit the criteria of kernel-bug-exists-upstream. Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding. ** Tags removed: kernel-bug-exists-upstream kernel-bug-exists-upstream-3.18rc7 ** Tags added: latest-bios-a00 needs-upstream-testing ** Attachment removed: "Dependencies.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1399952/+attachment/4275323/+files/Dependencies.txt ** Attachment removed: "ProcEnviron.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1399952/+attachment/4275324/+files/ProcEnviron.txt ** Changed in: linux (Ubuntu) Importance: Low => Medium ** Description changed: On my Latitude 2110, the "dell_led" driver is useful for controlling the LED on the lid. However, the driver doesn't load automatically on boot, and so /sys/class/leds/dell::lid doesn't exist. I can load the module manually (with "sudo modprobe dell_led"), or I can put this line in /etc/modprobe.d/local-dell-led.conf: alias wmi:F6E4FE6E-909D-47CB-8BAB-C9F6F2F8D396 dell_led If I do the latter, then the module loads automatically at boot. I note that "modinfo dell_led" says: alias: wmi:F6E4FE6E-909D-47cb-8BAB-C9F6F2F8D396 Note that the "47cb" there is in lower case. I suspect that this is the cause of the problem. I also note that the "hp_wmi" driver has a "wmi:" alias with lower-case letters in, so it may require a similar fix. - ProblemType: Bug - DistroRelease: Ubuntu 14.04 - Package: linux-image-3.16.0-25-generic 3.16.0-25.33~14.04.2 - ProcVersionSignature: Ubuntu 3.16.0-25.33~14.04.2-generic 3.16.7 - Uname: Linux 3.16.0-25-generic i686 - ApportVersion: 2.14.1-0ubuntu3.6 - Architecture: i386 - CurrentDesktop: Unity - Date: Sat Dec 6 16:21:39 2014 - DistributionChannelDescriptor: - # This is a distribution channel descriptor - # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor - canonical-oem-motts-20100121-3 - EcryptfsInUse: Yes - InstallationDate: Installed on 2010-06-09 (1641 days ago) - InstallationMedia: Ubuntu GNU/Linux 9.10 "Karmic" - Build i386 LIVE Binary 20100121-21:52 - SourcePackage: linux-lts-utopic - UpgradeStatus: Upgraded to trusty on 2014-08-15 (112 days ago) - --- + --- ApportVersion: 2.14.1-0ubuntu3.11 Architecture: i386 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: bjh21 2415 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: bjh21 2415 F.... pulseaudio CurrentDesktop: Unity DistributionChannelDescriptor: - # This is a distribution channel descriptor - # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor - canonical-oem-motts-20100121-3 + # This is a distribution channel descriptor + # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor + canonical-oem-motts-20100121-3 DistroRelease: Ubuntu 14.04 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=5f11e886-4c98-43d9-8d51-6ab48f0bff3f InstallationDate: Installed on 2010-06-09 (1812 days ago) InstallationMedia: Ubuntu GNU/Linux 9.10 "Karmic" - Build i386 LIVE Binary 20100121-21:52 MachineType: Dell Inc. Latitude 2110 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-38-generic root=UUID=a7f66818-5a12-4932-922a-b05d92593b24 ro quiet splash crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7 ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10 RelatedPackageVersions: - linux-restricted-modules-3.16.0-38-generic N/A - linux-backports-modules-3.16.0-38-generic N/A - linux-firmware 1.127.12 + linux-restricted-modules-3.16.0-38-generic N/A + linux-backports-modules-3.16.0-38-generic N/A + linux-firmware 1.127.12 StagingDrivers: rts5208 Tags: trusty staging Uname: Linux 3.16.0-38-generic i686 UpgradeStatus: Upgraded to trusty on 2014-08-15 (284 days ago) UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare wireshark _MarkForUpload: True dmi.bios.date: 03/09/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A00 dmi.board.name: 0N61H4 dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA00:bd03/09/2010:svnDellInc.:pnLatitude2110:pvr:rvnDellInc.:rn0N61H4:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: Latitude 2110 dmi.sys.vendor: Dell Inc. -- 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/1399952 Title: [Dell Latitude 2110] dell_led driver does not auto-load (bad alias) Status in linux package in Ubuntu: Incomplete Bug description: On my Latitude 2110, the "dell_led" driver is useful for controlling the LED on the lid. However, the driver doesn't load automatically on boot, and so /sys/class/leds/dell::lid doesn't exist. I can load the module manually (with "sudo modprobe dell_led"), or I can put this line in /etc/modprobe.d/local-dell-led.conf: alias wmi:F6E4FE6E-909D-47CB-8BAB-C9F6F2F8D396 dell_led If I do the latter, then the module loads automatically at boot. I note that "modinfo dell_led" says: alias: wmi:F6E4FE6E-909D-47cb-8BAB-C9F6F2F8D396 Note that the "47cb" there is in lower case. I suspect that this is the cause of the problem. I also note that the "hp_wmi" driver has a "wmi:" alias with lower- case letters in, so it may require a similar fix. --- ApportVersion: 2.14.1-0ubuntu3.11 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: bjh21 2415 F.... pulseaudio CurrentDesktop: Unity DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-motts-20100121-3 DistroRelease: Ubuntu 14.04 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=5f11e886-4c98-43d9-8d51-6ab48f0bff3f InstallationDate: Installed on 2010-06-09 (1812 days ago) InstallationMedia: Ubuntu GNU/Linux 9.10 "Karmic" - Build i386 LIVE Binary 20100121-21:52 MachineType: Dell Inc. Latitude 2110 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-38-generic root=UUID=a7f66818-5a12-4932-922a-b05d92593b24 ro quiet splash crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7 ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10 RelatedPackageVersions: linux-restricted-modules-3.16.0-38-generic N/A linux-backports-modules-3.16.0-38-generic N/A linux-firmware 1.127.12 StagingDrivers: rts5208 Tags: trusty staging Uname: Linux 3.16.0-38-generic i686 UpgradeStatus: Upgraded to trusty on 2014-08-15 (284 days ago) UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare wireshark _MarkForUpload: True dmi.bios.date: 03/09/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A00 dmi.board.name: 0N61H4 dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA00:bd03/09/2010:svnDellInc.:pnLatitude2110:pvr:rvnDellInc.:rn0N61H4:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: Latitude 2110 dmi.sys.vendor: Dell Inc. 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