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[Alberto Salvia Novella <es20490446e@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1550884

Title:
  i915 Intel display driver crashes reported on syslog

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  [    5.239974] ------------[ cut here ]------------
  [    5.239992] WARNING: CPU: 0 PID: 3054 at /build/linux-MmY1jo/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:12330 check_crtc_state+0x2c5/0x440 [i915]()
  [    5.239993] pipe state doesn't match!
  [    5.239994] Modules linked in: xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables x_tables nf_nat nf_conntrack br_netfilter bridge stp llc aufs binfmt_misc bnep intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp arc4 kvm_intel kvm crct10dif_pclmul crc32_pclmul iwlmvm aesni_intel mac80211 aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd uvcvideo videobuf2_vmalloc snd_hda_codec_hdmi videobuf2_memops iwlwifi snd_hda_codec_realtek videobuf2_core input_leds v4l2_common snd_hda_codec_generic serio_raw videodev joydev media btusb snd_hda_intel btrtl thinkpad_acpi rtsx_pci_ms snd_hda_codec cfg80211 btbcm btintel nvram snd_hda_core snd_seq_midi memstick bluetooth snd_seq_midi_event snd_hwdep lpc_ich
  [    5.240035]  snd_pcm snd_rawmidi mei_me snd_seq mei shpchp snd_seq_device snd_timer snd soundcore mac_hid intel_smartconnect parport_pc ppdev lp parport autofs4 hid_generic usbhid hid rtsx_pci_sdmmc i915 psmouse ahci libahci e1000e rtsx_pci i2c_algo_bit ptp drm_kms_helper pps_core drm wmi video
  [    5.240056] CPU: 0 PID: 3054 Comm: Xorg Tainted: G        W       4.2.0-30-generic #35-Ubuntu
  [    5.240057] Hardware name: LENOVO , BIOS (2.32 ) 01/09/2015
  [    5.240059]  0000000000000000 000000002ac00e91 ffff88030e6477c8 ffffffff817ebf13
  [    5.240062]  0000000000000000 ffff88030e647820 ffff88030e647808 ffffffff8107b9d6
  [    5.240065]  ffff88030e647848 ffff88030e6478b0 ffff88030ad3d000 0000000000000001
  [    5.240067] Call Trace:
  [    5.240073]  [<ffffffff817ebf13>] dump_stack+0x45/0x57
  [    5.240077]  [<ffffffff8107b9d6>] warn_slowpath_common+0x86/0xc0
  [    5.240081]  [<ffffffff8107ba65>] warn_slowpath_fmt+0x55/0x70
  [    5.240100]  [<ffffffffc01e8b81>] ? intel_pipe_config_compare+0xb31/0xc60 [i915]
  [    5.240118]  [<ffffffffc01e8f75>] check_crtc_state+0x2c5/0x440 [i915]
  [    5.240138]  [<ffffffffc01fcedd>] intel_modeset_check_state+0x21d/0x6d0 [i915]
  [    5.240157]  [<ffffffffc01fe097>] intel_crtc_set_config+0x4c7/0x580 [i915]
  [    5.240171]  [<ffffffffc0044f75>] ? drm_mode_create+0x25/0x60 [drm]
  [    5.240182]  [<ffffffffc003e526>] drm_mode_set_config_internal+0x66/0x100 [drm]
  [    5.240193]  [<ffffffffc0042bb9>] drm_mode_setcrtc+0x3e9/0x500 [drm]
  [    5.240201]  [<ffffffffc0033505>] drm_ioctl+0x125/0x610 [drm]
  [    5.240213]  [<ffffffffc00427d0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
  [    5.240217]  [<ffffffff812113c5>] do_vfs_ioctl+0x295/0x480
  [    5.240220]  [<ffffffff810885f1>] ? __set_task_blocked+0x41/0xa0
  [    5.240223]  [<ffffffff81211629>] SyS_ioctl+0x79/0x90
  [    5.240226]  [<ffffffff8108b2ae>] ? SyS_rt_sigprocmask+0x8e/0xc0
  [    5.240228]  [<ffffffff817f2d72>] entry_SYSCALL_64_fastpath+0x16/0x75
  [    5.240230] ---[ end trace 451f6a31e05d36e2 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-30-generic 4.2.0-30.36
  ProcVersionSignature: Ubuntu 4.2.0-30.35-generic 4.2.8-ckt3
  Uname: Linux 4.2.0-30-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  svetli     3909 F.... pulseaudio
   /dev/snd/controlC1:  svetli     3909 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Feb 28 10:13:16 2016
  HibernationDevice: RESUME=UUID=c8adea4f-b2c9-4a91-94be-290fada3dcc2
  InstallationDate: Installed on 2015-04-23 (310 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: LENOVO 20B7S1J00D
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-30-generic root=UUID=fa200b99-9cf0-4519-a757-d206380176cb ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-30-generic N/A
   linux-backports-modules-4.2.0-30-generic  N/A
   linux-firmware                            1.149.3
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: Upgraded to wily on 2016-01-21 (37 days ago)
  dmi.bios.date: 01/09/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GJET82WW (2.32 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20B7S1J00D
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98401 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:bvrGJET82WW(2.32):bd01/09/2015:svnLENOVO:pn20B7S1J00D:pvrThinkPadT440:rvnLENOVO:rn20B7S1J00D:rvr0B98401PRO:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20B7S1J00D
  dmi.product.version: ThinkPad T440
  dmi.sys.vendor: LENOVO

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