@ Christopher, sorry, but it seems to me that the report will get more attention when it's more generic and this problem has been an issue on multiple platforms for quite some time.
I tested 14.04 alpha however and the problem persists. I tried the apport command, it says: Package nvidia-graphics-drivers-331 not installed and no hook available, ignoring. A graphical popup with the title"Updating propblem report" shows "No additional information collected." The nVidia driver 331.38 is installed but the package is: nvidia-331 Syslog shows just the same as before: Jan 30 02:42:28 Ganymede kernel: [15210.984768] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984784] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984787] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984790] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984793] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984796] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984799] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984802] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984804] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984807] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984810] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984813] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984816] NVRM: os_pci_init_handle: invalid context! Jan 30 02:42:28 Ganymede kernel: [15210.984830] NVRM: GPU at 0000:01:00: GPU-9e2ddf6e-47c2-4331-d30f-b7adedcd90fc Jan 30 02:42:28 Ganymede kernel: [15210.984836] NVRM: Xid (0000:01:00): 8, Channel 00000004 Jan 30 02:42:30 Ganymede kernel: [15212.983871] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers-331 in Ubuntu. https://bugs.launchpad.net/bugs/1258231 Title: 10de:061f [Dell Precision M6500] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context Status in “nvidia-graphics-drivers-331” package in Ubuntu: Incomplete Bug description: About once an hour at least, my computer either locks up (ex. black screen) requiring me to relaunch the window manager loosing all opened X applications, or allows me to move the mouse but won't allow to click anything. Sound continues to play just fine, as do all other background tasks. Switching to TTY1 and switching back to TTY7 will mostly recover the issue by relaunching the shell. I have this issue since Ubuntu 12.10. Syslog entries: Dec 5 17:44:03 Europa kernel: [ 8187.092473] NVRM: os_pci_init_handle: invalid context! Dec 5 17:44:03 Europa kernel: [ 8187.092477] NVRM: Xid (0000:01:00): 8, Channel 00000003 Dec 5 17:44:05 Europa kernel: [ 8189.091441] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context WORKAROUND: running Xubuntu 12.04.3 with nvidia 331.20. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-14-generic 3.11.0-14.21 ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7 Uname: Linux 3.11.0-14-generic x86_64 NonfreeKernelModules: nvidia wl ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: mvanworkum 2639 F.... pulseaudio /dev/snd/controlC0: mvanworkum 2639 F.... pulseaudio /dev/snd/pcmC0D0p: mvanworkum 2639 F...m pulseaudio Date: Thu Dec 5 18:14:26 2013 HibernationDevice: RESUME=UUID=d4c4f4ad-64b5-4110-b360-41660844584e InstallationDate: Installed on 2012-07-03 (519 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) MachineType: Dell Inc. Precision M6500 MarkForUpload: True PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-14-generic root=UUID=6600ec3d-d9d2-4333-a5ae-5849e7f58e20 ro quiet splash RelatedPackageVersions: linux-restricted-modules-3.11.0-14-generic N/A linux-backports-modules-3.11.0-14-generic N/A linux-firmware 1.116 SourcePackage: linux UpgradeStatus: Upgraded to saucy on 2013-09-06 (90 days ago) dmi.bios.date: 06/04/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A10 dmi.board.name: 0R1203 dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA10:bd06/04/2013:svnDellInc.:pnPrecisionM6500:pvr:rvnDellInc.:rn0R1203:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: Precision M6500 dmi.sys.vendor: Dell Inc. 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