I can still see the same error in dmesg on 4.10.0-041000rc4-generic #201701152031, but it won't post it constantly as it was on 4.4. It is logged just once at boot time.
** Attachment added: "dmesg-4.10-rc4.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1656539/+attachment/4806704/+files/dmesg-4.10-rc4.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/1656539 Title: Lots of i915 warnings in the log Status in linux package in Ubuntu: Incomplete Bug description: I observe lots of i915 warnings in dmesg after the upgrade from 14.04 to 16.04. My current kernel is 4.4.0-59-generic. Warnings are: [ 1078.547129] ------------[ cut here ]------------ [ 1078.547372] WARNING: CPU: 0 PID: 273 at /build/linux-5Vy7q8/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:12169 intel_atomic_check+0x307/0x6d0 [i915]() [ 1078.547388] WARN_ON(!connector_state->crtc) ... [ 1078.591137] ------------[ cut here ]------------ [ 1078.591377] WARNING: CPU: 0 PID: 273 at /build/linux-5Vy7q8/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:12746 intel_modeset_check_state+0x556/0x910 [i915]() [ 1078.591394] encoder's enabled state mismatch (expected 0, found 1) ... I have the following video controller: 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GSE Express Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-59-generic 4.4.0-59.80 ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35 Uname: Linux 4.4.0-59-generic i686 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 янв 14 08:17 seq crw-rw---- 1 root audio 116, 33 янв 14 08:17 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.1-0ubuntu2.4 Architecture: i386 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Sat Jan 14 08:30:26 2017 InstallationDate: Installed on 2012-08-28 (1599 days ago) InstallationMedia: Ubuntu-Server 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3) IwConfig: lo no wireless extensions. eth0 no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: Evo Technologies, Inc. ECOPC N.1A/LE PciMultimedia: ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-59-generic root=/dev/mapper/hostname-root ro 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 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: Upgraded to xenial on 2016-08-28 (139 days ago) dmi.bios.date: 05/19/2010 dmi.bios.vendor: Intel Corp. dmi.bios.version: JT94510H.86A.0045.2010.0519.1750 dmi.board.name: D945GSEJT dmi.board.vendor: Intel Corporation dmi.board.version: AAE57850-407 dmi.chassis.type: 3 dmi.modalias: dmi:bvnIntelCorp.:bvrJT94510H.86A.0045.2010.0519.1750:bd05/19/2010:svnEvoTechnologies,Inc.:pnECOPCN.1A/LE:pvr:rvnIntelCorporation:rnD945GSEJT:rvrAAE57850-407:cvn:ct3:cvr: dmi.product.name: ECOPC N.1A/LE dmi.sys.vendor: Evo Technologies, Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1656539/+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