I am hitting a similar problem: oblong@displaywall-left:~$ more /etc/issue Ubuntu 12.04.3 LTS \n \l
oblong@displaywall-left:~$ uname -a Linux displaywall-left 3.8.0-29-generic #42~precise1-Ubuntu SMP Wed Aug 14 16:19:23 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux oblong@displaywall-left:~$ grep Driver /var/log/Xorg.0.log [ 14.980] (II) NVIDIA dlloader X Driver 331.38 Wed Jan 8 18:51:00 PST 2014 The machine has three nVidia K5000 cards When I exit my application, X freezes and the following messages are dumped into /var/log/syslog: Mar 11 18:51:46 displaywall-left kernel: [ 9283.034123] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034132] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034135] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034138] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034141] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034144] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034147] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034150] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034153] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034155] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034158] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034161] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034182] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.034190] NVRM: GPU at 0000:02:00: GPU-d94bdba3-b53b-db31-e87c-b284bea2b29c Mar 11 18:51:46 displaywall-left kernel: [ 9283.034196] NVRM: Xid (0000:02:00): 31, Ch 00000003, engmask 00000111, intr 10000000 Mar 11 18:51:46 displaywall-left kernel: [ 9283.035525] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035530] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035533] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035536] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035539] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035542] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035544] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035547] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035550] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035553] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035556] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035559] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035562] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.035568] NVRM: Xid (0000:02:00): 13, 0003 00000000 0000902d 000002e0 00000000 00000000 Mar 11 18:51:46 displaywall-left kernel: [ 9283.036578] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036583] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036586] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036589] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036592] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036595] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036598] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036601] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036604] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036607] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036610] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036613] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036616] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.036622] NVRM: GPU at 0000:03:00: GPU-6cec9aba-d7ca-7aee-b33b-265c9933d2f3 Mar 11 18:51:46 displaywall-left kernel: [ 9283.036626] NVRM: Xid (0000:03:00): 31, Ch 00000003, engmask 00000111, intr 10000000 Mar 11 18:51:46 displaywall-left kernel: [ 9283.037852] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037857] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037860] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037863] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037866] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037868] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037872] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037874] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037877] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037880] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037883] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037886] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037889] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.037895] NVRM: Xid (0000:03:00): 13, 0003 00000000 0000902d 000002e0 00000000 00000000 Mar 11 18:51:46 displaywall-left kernel: [ 9283.039029] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039035] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039038] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039041] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039044] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039047] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039050] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039053] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039056] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039060] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039063] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039066] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039069] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.039075] NVRM: GPU at 0000:89:00: GPU-8ee5dde2-f438-9b90-7e76-4ac90149d186 Mar 11 18:51:46 displaywall-left kernel: [ 9283.039079] NVRM: Xid (0000:89:00): 31, Ch 00000003, engmask 00000111, intr 10000000 Mar 11 18:51:46 displaywall-left kernel: [ 9283.040473] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040478] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040482] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040485] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040488] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040491] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040494] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040497] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040501] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040504] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040507] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040510] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040513] NVRM: os_pci_init_handle: invalid context! Mar 11 18:51:46 displaywall-left kernel: [ 9283.040520] NVRM: Xid (0000:89:00): 13, 0003 00000000 0000902d 000002e0 00000000 00000000 Mar 11 18:52:16 displaywall-left kernel: [ 9312.352019] NVRM: Xid (0000:02:00): 61, 0096(1ee4) 00000000 00000000 Mar 11 18:52:16 displaywall-left kernel: [ 9312.356329] NVRM: Xid (0000:02:00): 61, 0096(1ef0) 00000000 00000000 Mar 11 18:52:16 displaywall-left kernel: [ 9312.356757] NVRM: Xid (0000:03:00): 61, 0096(1ee4) 00000000 00000000 Mar 11 18:52:16 displaywall-left kernel: [ 9312.671191] NVRM: Xid (0000:03:00): 61, 0096(1ef0) 00000000 00000000 -- 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: Confirmed 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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