apport information ** Tags added: apport-collected trusty
** Description changed: After update to test kernel 3.19.0-32.37+bpo1, system will hang with blackscreen while switching to the next mode with HDMI video out. * The function works fine with -28 kernel. * SKL-H doesn't find this issue Test configs: Intel SKL-U graphics: Dell Inspiron 13-7359 Kernel version: 3.19.0-32.37+bpo1 + --- + ApportVersion: 2.14.1-0ubuntu3.12 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: u 2108 F.... pulseaudio + CRDA: + country TW: + (2402 - 2472 @ 40), (3, 27) + (5270 - 5330 @ 40), (3, 17), DFS + (5735 - 5815 @ 40), (3, 30) + CurrentDesktop: Unity + DistributionChannelDescriptor: + # This is a distribution channel descriptor + # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor + canonical-oem-kittyhawk2-trusty-amd64-20150907-1 + DistroRelease: Ubuntu 14.04 + HibernationDevice: RESUME=UUID=61acef2b-8b38-40a2-a2a1-1f8346dbfa80 + InstallationDate: Installed on 2015-11-06 (2 days ago) + InstallationMedia: Ubuntu 14.04 "Trusty" - Failed to find casper uuid.conf in 'binary/casper/initrd.img-3.19.0-28-generic.old-dkms' LIVE Binary 20150907-22:18 + MachineType: Dell Inc. Inspiron 13-7359 + Package: linux (not installed) + ProcFB: 0 inteldrmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-32-generic root=UUID=fc10fc31-8426-4eb5-8157-35d5d5c70335 ro quiet splash vt.handoff=7 + ProcVersionSignature: Ubuntu 3.19.0-32.37+bpo1-generic 3.19.8-ckt7 + RelatedPackageVersions: + linux-restricted-modules-3.19.0-32-generic N/A + linux-backports-modules-3.19.0-32-generic N/A + linux-firmware 1.127.15 + Tags: trusty + Uname: Linux 3.19.0-32-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 09/08/2015 + dmi.bios.vendor: Dell Inc. + dmi.bios.version: 01.02.00 + dmi.board.vendor: Dell Inc. + dmi.chassis.type: 9 + dmi.chassis.vendor: Dell Inc. + dmi.modalias: dmi:bvnDellInc.:bvr01.02.00:bd09/08/2015:svnDellInc.:pnInspiron13-7359:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct9:cvr: + dmi.product.name: Inspiron 13-7359 + dmi.sys.vendor: Dell Inc. ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1514315/+attachment/4515379/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1514315 Title: [i915_bpo] [SKL-U] System hangs when switching video out to the next mode with kernel updated to 3.19.0-32.37+bpo1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1514315/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs