Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.13 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'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-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/v3.14-rc1-trusty/ -- 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/1276958 Title: Discrete Radeon videocard is missing with kernel 3.13 Status in The Linux Kernel: Confirmed Status in “linux” package in Ubuntu: New Bug description: Discrete videocard is missing linux 3.13. There no /sys/kernel/debug/vgaswitcheroo and xrandr --listproviders shows me only Intel videocard. Videocard also missing in lspci output. There are some traces in dmesg which can be related to this bug. The last working kernel version for me is 3.12.9. My configuration: 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 09) 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Turks [Radeon HD 7650A/7670A] ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-7-generic 3.13.0-7.25 ProcVersionSignature: Ubuntu 3.13.0-7.25-generic 3.13.1 Uname: Linux 3.13.0-7-generic x86_64 ApportVersion: 2.13.2-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: asudak 1964 F.... pulseaudio CurrentDesktop: GNOME Date: Thu Feb 6 10:48:42 2014 HibernationDevice: RESUME=UUID=af09981e-c60b-4d4e-9bbe-8326111d555f InstallationDate: Installed on 2013-12-27 (40 days ago) InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017) MachineType: Dell Inc. Inspiron One 2330 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-7-generic.efi.signed root=UUID=13b39ae0-892a-4b5a-ab81-62dba9463c1a ro quiet splash radeon.dpm=1 radeon.runpm=1 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-7-generic N/A linux-backports-modules-3.13.0-7-generic N/A linux-firmware 1.123 SourcePackage: linux UpgradeStatus: Upgraded to trusty on 2014-02-06 (0 days ago) dmi.bios.date: 05/13/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A13 dmi.board.name: 09JR1D dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 13 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: 27147636_1 dmi.modalias: dmi:bvnDellInc.:bvrA13:bd05/13/2013:svnDellInc.:pnInspironOne2330:pvr00:rvnDellInc.:rn09JR1D:rvrA00:cvnDellInc.:ct13:cvr27147636_1: dmi.product.name: Inspiron One 2330 dmi.product.version: 00 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1276958/+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
