apport information ** Package changed: linux (Ubuntu) => linux-lts-xenial (Ubuntu)
** Tags added: apport-collected xenial ** Description changed: Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993311] [drm:drm_add_edid_modes.part.22 [drm]] HDMI: DVI dual 0, max TMDS clock 300000 kHz Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993315] nouveau 0000:01:00.0: DRM: native mode from largest: 1920x1080@60 Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993342] [drm:drm_mode_debug_printmodeline [drm]] Modeline 69:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x5 Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993348] [drm:drm_mode_prune_invalid [drm]] Not using 3840x2160 mode: CLOCK_HIGH Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993353] [drm:drm_mode_debug_printmodeline [drm]] Modeline 73:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x9 Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993358] [drm:drm_mode_prune_invalid [drm]] Not using 2560x1440 mode: CLOCK_HIGH Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993363] [drm:drm_mode_debug_printmodeline [drm]] Modeline 104:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5 Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993368] [drm:drm_mode_prune_invalid [drm]] Not using 3840x2160 mode: CLOCK_HIGH Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993373] [drm:drm_mode_debug_printmodeline [drm]] Modeline 105:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5 Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993378] [drm:drm_mode_prune_invalid [drm]] Not using 3840x2160 mode: CLOCK_HIGH Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993383] [drm:drm_mode_debug_printmodeline [drm]] Modeline 106:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5 Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993387] [drm:drm_mode_prune_invalid [drm]] Not using 3840x2160 mode: CLOCK_HIGH Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993392] [drm:drm_mode_debug_printmodeline [drm]] Modeline 116:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5 Jan 10 18:56:03 frode-MacBookPro kernel: [ 4.993397] [drm:drm_mode_prune_invalid [drm]] Not using 3840x2160 mode: CLOCK_HIGH However it is perfectly valid to use higher pixel clock on some graphic cards. This patch will allow the end-user to adjust the pixel clock with the hdmimhz kernel parameter until the detection code gets good enough: https://github.com/torvalds/linux/commit/1a0c96c075bb4517d4ce4fb6750ee0a3cf38714c This page contains a lot of useful information and lead me to a sollution to my problem: https://www.elstel.org/software/hunt-for-4K-UHD-2160p.html.en - I think this is worthy of consideration for backport to the Xenial - kernel as not being able to use the most recent LTS version of Ubuntu - Desktop with current hardware is a drag. + I think this is worthy of consideration for backport to the Xenial kernel as not being able to use the most recent LTS version of Ubuntu Desktop with current hardware is a drag. + --- + ApportVersion: 2.20.1-0ubuntu2.4 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC1: frode 2797 F.... pulseaudio + /dev/snd/controlC0: frode 2797 F.... pulseaudio + CurrentDesktop: Unity + DistroRelease: Ubuntu 16.04 + HibernationDevice: RESUME=UUID=ae0b4ef2-57b4-4ab5-ac55-be113c10f1d1 + InstallationDate: Installed on 2017-01-08 (2 days ago) + InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) + MachineType: Apple Inc. MacBookPro10,1 + NonfreeKernelModules: wl + Package: linux-image-extra-4.4.0-59-generic 4.4.0-59.80 + PackageArchitecture: amd64 + ProcFB: + 0 inteldrmfb + 1 nouveaufb + ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-59-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash hdmimhz=297 vt.handoff=7 + ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35 + RelatedPackageVersions: + linux-restricted-modules-4.4.0-59-generic N/A + linux-backports-modules-4.4.0-59-generic N/A + linux-firmware 1.157.6 + Tags: xenial + Uname: Linux 4.4.0-59-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 10/20/2016 + dmi.bios.vendor: Apple Inc. + dmi.bios.version: MBP101.88Z.00EE.B0B.1610201442 + dmi.board.asset.tag: Base Board Asset Tag# + dmi.board.name: Mac-C3EC7CD22292981F + dmi.board.vendor: Apple Inc. + dmi.board.version: MacBookPro10,1 + dmi.chassis.type: 10 + dmi.chassis.vendor: Apple Inc. + dmi.chassis.version: Mac-C3EC7CD22292981F + dmi.modalias: dmi:bvnAppleInc.:bvrMBP101.88Z.00EE.B0B.1610201442:bd10/20/2016:svnAppleInc.:pnMacBookPro10,1:pvr1.0:rvnAppleInc.:rnMac-C3EC7CD22292981F:rvrMacBookPro10,1:cvnAppleInc.:ct10:cvrMac-C3EC7CD22292981F: + dmi.product.name: MacBookPro10,1 + dmi.product.version: 1.0 + dmi.sys.vendor: Apple Inc. ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1655421/+attachment/4802457/+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/1655421 Title: nouveau driver being too conservative about HDMI pixel clock, barring usage of native resolution on 4K displays over HDMI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-xenial/+bug/1655421/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
