William Hua, the next step is to fully commit bisect from kernel 3.16.7 to 3.18 in order to identify the last good kernel commit, followed immediately by the first bad one. This will allow for a more expedited analysis of the root cause of your issue. Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection ?
Thank you for your understanding. ** Tags removed: kernel-bug-exists-upstream-3.19-rc4 needs-upstream-testing ** Tags added: kernel-bug-exists-upstream-3.19-rc6 ** Tags added: needs-bisect regression-release -- 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/1409133 Title: Heavy black flickering after VT switching on Intel Ironlake Mobile. Status in Mir: New Status in linux package in Ubuntu: Incomplete Status in mir package in Ubuntu: New Bug description: After running mir_demo_server on VT 1, when I switch to VT 7 then back to VT 1, the demo server really flickers black quite a lot (entire screen, pointer included). I'm not sure, but I also upgraded my kernel to 3.18.2-031802-generic at the same time, if it's because of that, please mark invalid. --- ApportVersion: 2.15.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: william 5932 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 15.04 HibernationDevice: RESUME=UUID=f950febe-baf1-425c-8ab5-f4f43a86839b Lsusb: Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0a5c:217f Broadcom Corp. BCM2045B (BDC-2.1) Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 3249CTO Package: mir ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.18.0-9-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash thinkpad_acpi.fan_control=Y vt.handoff=7 ProcVersionSignature: Ubuntu 3.18.0-9.10-generic 3.18.2 RelatedPackageVersions: linux-restricted-modules-3.18.0-9-generic N/A linux-backports-modules-3.18.0-9-generic N/A linux-firmware 1.140 SystemImageInfo: current build number: 0 device name: channel: daily last update: Unknown Tags: vivid Uname: Linux 3.18.0-9-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm autopilot cdrom dip disk fuse kvm libvirtd lpadmin plugdev sambashare sbuild sudo video _MarkForUpload: True dmi.bios.date: 01/26/2010 dmi.bios.vendor: LENOVO dmi.bios.version: 6QET35WW (1.05 ) dmi.board.name: 3249CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr6QET35WW(1.05):bd01/26/2010:svnLENOVO:pn3249CTO:pvrThinkPadX201:rvnLENOVO:rn3249CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 3249CTO dmi.product.version: ThinkPad X201 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1409133/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp