Just upgraded to 15.10. Booting up with nvidia driver directly gives glxgears running at expected result. Installing bumblebee and running optimus glxgears gives /var/log/system entry and no expected result.
As a note - I have a Dell XPS as well, and I get the same result with Ubuntu 15.04. My co-worker has the same laptop with Arch Linux and Bumblebee works for him with the same hardware. Nov 8 22:56:48 localhost systemd[1]: Started Bumblebee C Daemon. Nov 8 22:56:48 localhost kernel: [ 231.533201] bbswitch: disabling discrete graphics Nov 8 22:56:48 localhost kernel: [ 231.533216] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:48 localhost bumblebeed[3235]: [ 231.983606] [INFO]/usr/sbin/bumblebeed 3.2.1 started Nov 8 22:56:53 localhost kernel: [ 236.364242] bbswitch: enabling discrete graphics Nov 8 22:56:53 localhost kernel: [ 236.903991] nvidia: module license 'NVIDIA' taints kernel. Nov 8 22:56:53 localhost kernel: [ 236.903994] Disabling lock debugging due to kernel taint Nov 8 22:56:53 localhost kernel: [ 236.912955] [drm] Initialized nvidia-drm 0.0.0 20150116 for 0000:04:00.0 on minor 1 Nov 8 22:56:53 localhost kernel: [ 236.912962] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 352.41 Fri Aug 21 23:09:52 PDT 2015 Nov 8 22:56:53 localhost systemd-udevd[3260]: Process '/usr/bin/start-nvidia-persistenced' failed with exit code 127. Nov 8 22:56:54 localhost kernel: [ 237.457039] vgaarb: this pci device is not a vga device Nov 8 22:56:54 localhost systemd-udevd[3268]: Process '/usr/bin/start-nvidia-persistenced' failed with exit code 127. Nov 8 22:56:54 localhost kernel: [ 237.462114] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:54 localhost kernel: [ 237.462168] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:54 localhost kernel: [ 237.462197] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:54 localhost kernel: [ 237.462223] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:54 localhost kernel: [ 237.462249] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:54 localhost kernel: [ 237.462275] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:54 localhost kernel: [ 237.462315] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:54 localhost kernel: [ 237.462341] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:54 localhost kernel: [ 237.478583] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:56:54 localhost kernel: [ 237.821649] vgaarb: this pci device is not a vga device Nov 8 22:56:54 localhost acpid: client connected from 3265[0:999] Nov 8 22:56:54 localhost acpid: 1 client rule loaded Nov 8 22:56:55 localhost bumblebeed[3235]: [ 239.353495] [WARN][XORG] (WW) "glamoregl" will not be loaded unless you've specified it to be loaded elsewhere. Nov 8 22:56:55 localhost bumblebeed[3235]: [ 239.353549] [WARN][XORG] (WW) NVIDIA(0): Unable to get display device for DPI computation. Nov 8 22:57:06 localhost kernel: [ 249.219663] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150619/nsarguments-95) Nov 8 22:57:06 localhost acpid: client 3265[0:999] has disconnected Nov 8 22:57:09 localhost bumblebeed[3235]: [ 252.695710] [ERROR]Unloading nvidia driver timed out. Nov 8 22:58:18 localhost bumblebeed[3235]: [ 322.192337] [WARN]Received Terminated signal. Nov 8 22:58:18 localhost systemd[1]: Stopping Bumblebee C Daemon... Nov 8 22:58:18 localhost systemd[1]: Stopped Bumblebee C Daemon. -- 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/1494236 Title: 10de:1292 Optirun does not run as kernel does not recognise 3D Controller NVIDIA Status in linux package in Ubuntu: Incomplete Bug description: $ lspci -nn 00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 09) ... 04:00.0 3D controller [0302]: NVIDIA Corporation GK208M [GeForce GT 740M] [10de:1292] (rev ff) $ dmesg | fgrep vgaar [ 0.243143] vgaarb: setting as boot device: PCI:0000:00:02.0 [ 0.243145] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.243150] vgaarb: loaded [ 0.243152] vgaarb: bridge control possible 0000:00:02.0 [ 2.766514] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 2336.771620] vgaarb: this pci device is not a vga device [ 2337.170566] vgaarb: this pci device is not a vga device [ 2415.373308] vgaarb: this pci device is not a vga device [ 2415.734668] vgaarb: this pci device is not a vga device $ uname -a Linux flat 3.19.0-26-generic #28-Ubuntu SMP Tue Aug 11 14:16:32 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-26-generic 3.19.0-26.28 ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4 Uname: Linux 3.19.0-26-generic x86_64 ApportVersion: 2.17.2-0ubuntu1.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: grumpy 2187 F.... pulseaudio /dev/snd/controlC1: grumpy 2187 F.... pulseaudio CurrentDesktop: Unity Date: Thu Sep 10 20:11:34 2015 HibernationDevice: RESUME=UUID=0f0470a9-ab37-4ceb-b408-3ff836a8ed03 InstallationDate: Installed on 2015-05-19 (114 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) Lsusb: Bus 003 Device 002: ID 8087:8000 Intel Corp. Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 0bda:5606 Realtek Semiconductor Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: ASUSTeK COMPUTER INC. X550LB ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-26-generic.efi.signed root=UUID=6dbeeb75-7225-4474-8a0f-5b0447421785 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.19.0-26-generic N/A linux-backports-modules-3.19.0-26-generic N/A linux-firmware 1.143.3 SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/19/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: X550LB.402 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: X550LB dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: ATN12345678901234567 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX550LB.402:bd11/19/2013:svnASUSTeKCOMPUTERINC.:pnX550LB:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX550LB:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: X550LB dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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