apport information ** Tags added: apport-collected
** Description changed: This is a followup of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1501260 . Basically, running OpenGL applications (e.g. glxgears) on the primary display handled by Intel 915 card results in display freeze. The error message from the title of this bug is written to a VT console if I switch to it. It seems this bug only appears when multiple monitors are connected. Switching to a VT (Ctrl+Alt+F1) and back unfreezes the screen for a while. The screen only looks frozen, but normally reacts to mouse and keyboard events. This only happens if the GL window is displayed on my primary display (which is handled by the intel integrated chip). The notebook has 2 video outputs and a discrete AMD graphics, and I think only one of the outputs is handled by the AMD card, so I think one of the outputs is handled by the intel card and does not get frozen. Ubuntu 14.04.3 64bit. I think that before upgrading from 14.04.2 to 14.04.3 this did not happen. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-30-generic 4.2.0-30.36~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-30.36~14.04.1-generic 4.2.8-ckt3 Uname: Linux 4.2.0-30-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CurrentDesktop: Unity Date: Tue Mar 8 02:43:37 2016 InstallationDate: Installed on 2013-11-05 (853 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) SourcePackage: linux-lts-wily UpgradeStatus: Upgraded to trusty on 2014-04-12 (695 days ago) + --- + ApportVersion: 2.14.1-0ubuntu3.19 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: peci1 3018 F.... pulseaudio + /dev/snd/controlC1: peci1 3018 F.... pulseaudio + CurrentDesktop: Unity + DistroRelease: Ubuntu 14.04 + HibernationDevice: RESUME=UUID=05314bb8-8590-474c-8af1-1c90dd3bb89c + InstallationDate: Installed on 2013-11-05 (853 days ago) + InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) + MachineType: Dell Inc. Latitude E6540 + Package: linux (not installed) + ProcFB: + 0 inteldrmfb + 1 radeondrmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-27-generic root=UUID=501ffea4-2b36-441b-a8ca-34805170c396 ro i8042.nopnp quiet splash radeon.modeset=1 radeon.dpm=1 i915.modeset=1 radeon.runpm=0 vt.handoff=7 + ProcVersionSignature: Ubuntu 4.2.0-27.32~14.04.1-generic 4.2.8-ckt1 + RelatedPackageVersions: + linux-restricted-modules-4.2.0-27-generic N/A + linux-backports-modules-4.2.0-27-generic N/A + linux-firmware 1.127.20 + Tags: trusty + Uname: Linux 4.2.0-27-generic x86_64 + UpgradeStatus: Upgraded to trusty on 2014-04-12 (695 days ago) + UserGroups: adm autosshfs cdrom dip lpadmin plugdev sambashare sudo video + _MarkForUpload: True + dmi.bios.date: 09/01/2015 + dmi.bios.vendor: Dell Inc. + dmi.bios.version: A16 + dmi.board.name: 0CYT5F + dmi.board.vendor: Dell Inc. + dmi.board.version: A00 + dmi.chassis.type: 9 + dmi.chassis.vendor: Dell Inc. + dmi.modalias: dmi:bvnDellInc.:bvrA16:bd09/01/2015:svnDellInc.:pnLatitudeE6540:pvr00:rvnDellInc.:rn0CYT5F:rvrA00:cvnDellInc.:ct9:cvr: + dmi.product.name: Latitude E6540 + dmi.product.version: 00 + dmi.sys.vendor: Dell Inc. ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1554299/+attachment/4592557/+files/AlsaInfo.txt -- 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/1554299 Title: drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in dpll_hw_state.wrpll (expected 0xb0210614, found 0x00000000) Status in linux package in Ubuntu: Incomplete Bug description: This is a followup of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1501260 . Basically, running OpenGL applications (e.g. glxgears) on the primary display handled by Intel 915 card results in display freeze. The error message from the title of this bug is written to a VT console if I switch to it. It seems this bug only appears when multiple monitors are connected. Switching to a VT (Ctrl+Alt+F1) and back unfreezes the screen for a while. The screen only looks frozen, but normally reacts to mouse and keyboard events. This only happens if the GL window is displayed on my primary display (which is handled by the intel integrated chip). The notebook has 2 video outputs and a discrete AMD graphics, and I think only one of the outputs is handled by the AMD card, so I think one of the outputs is handled by the intel card and does not get frozen. Ubuntu 14.04.3 64bit. I think that before upgrading from 14.04.2 to 14.04.3 this did not happen. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.2.0-30-generic 4.2.0-30.36~14.04.1 ProcVersionSignature: Ubuntu 4.2.0-30.36~14.04.1-generic 4.2.8-ckt3 Uname: Linux 4.2.0-30-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CurrentDesktop: Unity Date: Tue Mar 8 02:43:37 2016 InstallationDate: Installed on 2013-11-05 (853 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) SourcePackage: linux-lts-wily UpgradeStatus: Upgraded to trusty on 2014-04-12 (695 days ago) --- ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: peci1 3018 F.... pulseaudio /dev/snd/controlC1: peci1 3018 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=05314bb8-8590-474c-8af1-1c90dd3bb89c InstallationDate: Installed on 2013-11-05 (853 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: Dell Inc. Latitude E6540 Package: linux (not installed) ProcFB: 0 inteldrmfb 1 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-27-generic root=UUID=501ffea4-2b36-441b-a8ca-34805170c396 ro i8042.nopnp quiet splash radeon.modeset=1 radeon.dpm=1 i915.modeset=1 radeon.runpm=0 vt.handoff=7 ProcVersionSignature: Ubuntu 4.2.0-27.32~14.04.1-generic 4.2.8-ckt1 RelatedPackageVersions: linux-restricted-modules-4.2.0-27-generic N/A linux-backports-modules-4.2.0-27-generic N/A linux-firmware 1.127.20 Tags: trusty Uname: Linux 4.2.0-27-generic x86_64 UpgradeStatus: Upgraded to trusty on 2014-04-12 (695 days ago) UserGroups: adm autosshfs cdrom dip lpadmin plugdev sambashare sudo video _MarkForUpload: True dmi.bios.date: 09/01/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A16 dmi.board.name: 0CYT5F dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA16:bd09/01/2015:svnDellInc.:pnLatitudeE6540:pvr00:rvnDellInc.:rn0CYT5F:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6540 dmi.product.version: 00 dmi.sys.vendor: Dell Inc. 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