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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1510793

Title:
  [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in ips_enabled
  (expected 1, found 0)

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Lenovo t440s, Ubuntu 15.10. Reboot when connected to cocking station.

  Oct 28 07:28:40 timoha-ll kernel: [   13.618646] ------------[ cut here ]------------
  Oct 28 07:28:40 timoha-ll kernel: [   13.618663] WARNING: CPU: 1 PID: 1347 at /build/linux-AxjFAn/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:12326 check_crtc_state+0x2c5/0x440 [i915]()
  Oct 28 07:28:40 timoha-ll kernel: [   13.618665] pipe state doesn't match!
  Oct 28 07:28:40 timoha-ll kernel: [   13.618666] Modules linked in: hid_lenovo(+) hid_generic usbhid hid uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media arc4 intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iwlmvm mac80211 snd_hda_codec_hdmi snd_seq_midi snd_seq_midi_event joydev input_leds serio_raw snd_hda_codec_realtek snd_hda_codec_generic snd_rawmidi thinkpad_acpi iwlwifi nvram rtsx_pci_ms lpc_ich snd_hda_intel memstick snd_hda_codec cfg80211 snd_hda_core snd_hwdep snd_pcm shpchp snd_seq mei_me mei snd_seq_device snd_timer snd soundcore intel_smartconnect mac_hid parport_pc sunrpc ppdev lp parport autofs4 jitterentropy_rng drbg ansi_cprng algif_skcipher af_alg dm_crypt rtsx_pci_sdmmc i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd i2c_algo_bit psmouse drm_kms_helper e1000e ahci drm libahci rtsx_pci ptp pps_core wmi video
  Oct 28 07:28:40 timoha-ll kernel: [   13.618721] CPU: 1 PID: 1347 Comm: Xorg Tainted: G        W       4.2.0-16-generic #19-Ubuntu
  Oct 28 07:28:40 timoha-ll kernel: [   13.618723] Hardware name: LENOVO 20AQ007SMS/20AQ007SMS, BIOS GJET83WW (2.33 ) 03/09/2015
  Oct 28 07:28:40 timoha-ll kernel: [   13.618725]  0000000000000000 000000009c299cff ffff88030ce2b7c8 ffffffff817e8c09
  Oct 28 07:28:40 timoha-ll kernel: [   13.618728]  0000000000000000 ffff88030ce2b820 ffff88030ce2b808 ffffffff8107b3c6
  Oct 28 07:28:40 timoha-ll kernel: [   13.618730]  ffff88030ce2b848 ffff88030ce2b8b0 ffff88030f816000 0000000000000001
  Oct 28 07:28:40 timoha-ll kernel: [   13.618732] Call Trace:
  Oct 28 07:28:40 timoha-ll kernel: [   13.618738]  [<ffffffff817e8c09>] dump_stack+0x45/0x57
  Oct 28 07:28:40 timoha-ll kernel: [   13.618743]  [<ffffffff8107b3c6>] warn_slowpath_common+0x86/0xc0
  Oct 28 07:28:40 timoha-ll kernel: [   13.618746]  [<ffffffff8107b455>] warn_slowpath_fmt+0x55/0x70
  Oct 28 07:28:40 timoha-ll kernel: [   13.618761]  [<ffffffffc0287bc1>] ? intel_pipe_config_compare+0xb31/0xc60 [i915]
  Oct 28 07:28:40 timoha-ll kernel: [   13.618775]  [<ffffffffc0287fb5>] check_crtc_state+0x2c5/0x440 [i915]
  Oct 28 07:28:40 timoha-ll kernel: [   13.618792]  [<ffffffffc029bd6d>] intel_modeset_check_state+0x21d/0x6d0 [i915]
  Oct 28 07:28:40 timoha-ll kernel: [   13.618806]  [<ffffffffc029cf27>] intel_crtc_set_config+0x4c7/0x580 [i915]
  Oct 28 07:28:40 timoha-ll kernel: [   13.618821]  [<ffffffffc0069ee5>] ? drm_mode_create+0x25/0x60 [drm]
  Oct 28 07:28:40 timoha-ll kernel: [   13.618831]  [<ffffffffc00634c6>] drm_mode_set_config_internal+0x66/0x100 [drm]
  Oct 28 07:28:40 timoha-ll kernel: [   13.618841]  [<ffffffffc0067b29>] drm_mode_setcrtc+0x3e9/0x500 [drm]
  Oct 28 07:28:40 timoha-ll kernel: [   13.618848]  [<ffffffffc0058495>] drm_ioctl+0x125/0x610 [drm]
  Oct 28 07:28:40 timoha-ll kernel: [   13.618853]  [<ffffffff81087f61>] ? __set_task_blocked+0x41/0xa0
  Oct 28 07:28:40 timoha-ll kernel: [   13.618862]  [<ffffffffc0067740>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
  Oct 28 07:28:40 timoha-ll kernel: [   13.618866]  [<ffffffff812108a5>] do_vfs_ioctl+0x295/0x480
  Oct 28 07:28:40 timoha-ll kernel: [   13.618869]  [<ffffffff81087f61>] ? __set_task_blocked+0x41/0xa0
  Oct 28 07:28:40 timoha-ll kernel: [   13.618872]  [<ffffffff81210b09>] SyS_ioctl+0x79/0x90
  Oct 28 07:28:40 timoha-ll kernel: [   13.618874]  [<ffffffff8108ab8e>] ? SyS_rt_sigprocmask+0x8e/0xc0
  Oct 28 07:28:40 timoha-ll kernel: [   13.618879]  [<ffffffff817ef9f2>] entry_SYSCALL_64_fastpath+0x16/0x75
  Oct 28 07:28:40 timoha-ll kernel: [   13.618881] ---[ end trace 9447ed9ab05254ee ]---
  Oct 28 07:28:40 timoha-ll kernel: [   13.655664] lenovo 0003:17EF:6009.0004: input,hiddev0,hidraw3: USB HID v1.10 Mouse [Lite-On Technology Corp. ThinkPad USB Keyboard with TrackPoint] on usb-0000:00:14.0-3.4.1/input1
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x90010, key code 190): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x90011, key code 148): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x90012, key code 152): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x90013, key code 236): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x90014, key code 238): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x90015, key code 212): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x90016, key code 227): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x90017, key code 191): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x90019, key code 205): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x9001a, key code 225): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x9001b, key code 224): Invalid argument
  Oct 28 07:28:40 timoha-ll systemd-udevd[470]: Error calling EVIOCSKEYCODE on device node '/dev/input/event18' (scan code 0x9001d, key code 372): Invalid argument

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-16-generic 4.2.0-16.19
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  timoha     3137 F.... pulseaudio
   /dev/snd/controlC1:  timoha     3137 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Oct 28 07:30:20 2015
  HibernationDevice: RESUME=UUID=a397ec47-ee9c-46cb-af31-3f2880b00e85
  InstallationDate: Installed on 2015-03-07 (234 days ago)
  InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Alpha amd64 (20150304)
  MachineType: LENOVO 20AQ007SMS
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-16-generic root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-16-generic N/A
   linux-backports-modules-4.2.0-16-generic  N/A
   linux-firmware                            1.149
  SourcePackage: linux
  UpgradeStatus: Upgraded to wily on 2015-10-24 (3 days ago)
  dmi.bios.date: 03/09/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GJET83WW (2.33 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20AQ007SMS
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 PRO
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGJET83WW(2.33):bd03/09/2015:svnLENOVO:pn20AQ007SMS:pvrThinkPadT440s:rvnLENOVO:rn20AQ007SMS:rvrSDK0E50510PRO:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20AQ007SMS
  dmi.product.version: ThinkPad T440s
  dmi.sys.vendor: LENOVO

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