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[Serrie <1549197@xxxxxxxxxxxxxxxxxx>]

Same issue occurs here with kernel-image-4.2.0-35 on a custom built
Desktop. I reverted the update back and am now on kernel-image-4.2.0-16
to see if that makes any difference. I wouldn't mind running some
tests/builds as the creator of the issue here seems away, or is it
recommended to create a new issue altogether?

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https://bugs.launchpad.net/bugs/1549197

Title:
  Hard lockup on HP ENVY 13

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Desktop clock showed 09:11:36

  Had to restart whole machine.

  syslog shows stuff like

  Feb 24 09:11:29 MFT-U017 kernel: [67990.662920] WARNING: CPU: 2 PID: 950 at /build/linux-MmY1jo/linux-4.2.0/drivers/gpu/drm/i915/intel_pm.c:3404 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]()
  Feb 24 09:11:29 MFT-U017 kernel: [67990.662926] WARN_ON(!wm_changed)
  Feb 24 09:11:29 MFT-U017 kernel: [67990.662930] Modules linked in: xt_nat xt_tcpudp veth rfcomm ctr ccm 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 bnep arc4 nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core iwlmvm snd_hwdep i2c_designware_platform hp_wmi i2c_designware_core sparse_keymap mac80211 snd_pcm intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwlwifi snd_seq_midi kvm snd_seq_midi_event cfg80211 snd_rawmidi snd_seq snd_seq_device snd_timer snd serio_raw btusb soundcore btrtl uvcvideo videobuf2_vmalloc btbcm btintel videobuf2_memops bluetooth videobuf2_core idma64 shpchp virt_dma v4l2_common videodev joydev input_leds mei_me media mei intel_lpss_pci processor_thermal_device int340x_thermal_zone intel_soc_dts_iosf hp_accel lis3lv02d input_polldev int3400_thermal intel_lpss_acpi acpi_thermal_rel intel_lpss tpm_crb hp_wireless acpi_pad mac_hid parport_pc ppdev lp parport autofs4 drbg ansi_cprng algif_skcipher af_alg dm_crypt hid_generic usbhid crct10dif_pclmul crc32_pclmul aesni_intel i915 aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd i2c_algo_bit drm_kms_helper psmouse drm ahci libahci i2c_hid wmi hid pinctrl_sunrisepoint pinctrl_intel video
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663190] CPU: 2 PID: 950 Comm: Xorg Tainted: G        W       4.2.0-30-generic #35-Ubuntu
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663196] Hardware name: HP HP ENVY Notebook/80DF, BIOS F.16 08/21/2015
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663202]  0000000000000000 000000004e8f8ba8 ffff880265c43518 ffffffff817ebf13
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663213]  0000000000000000 ffff880265c43570 ffff880265c43558 ffffffff8107b9d6
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663222]  ffff880265c43620 ffff880265c436c4 ffff880082a5e000 ffff880082a5f000
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663232] Call Trace:
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663253]  [<ffffffff817ebf13>] dump_stack+0x45/0x57
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663268]  [<ffffffff8107b9d6>] warn_slowpath_common+0x86/0xc0
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663279]  [<ffffffff8107ba65>] warn_slowpath_fmt+0x55/0x70
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663332]  [<ffffffffc01aab9e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663372]  [<ffffffffc01aad6b>] skl_update_wm+0x1bb/0x740 [i915]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663449]  [<ffffffffc01f6a77>] ? gen9_read32+0xf7/0x2d0 [i915]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663514]  [<ffffffffc01df4c2>] ? i915_get_vblank_timestamp+0x62/0xa0 [i915]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663566]  [<ffffffffc01ae4be>] intel_update_watermarks+0x1e/0x30 [i915]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663647]  [<ffffffffc0211d19>] intel_finish_crtc_commit+0x169/0x190 [i915]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663689]  [<ffffffffc01318e3>] drm_atomic_helper_commit_planes_on_crtc+0x143/0x260 [drm_kms_helper]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663779]  [<ffffffffc022b1bb>] intel_atomic_commit+0x6b/0x100 [i915]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663839]  [<ffffffffc00a1dc7>] drm_atomic_commit+0x37/0x60 [drm]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663867]  [<ffffffffc013021f>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663920]  [<ffffffffc00919ba>] __setplane_internal+0x23a/0x2f0 [drm]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663973]  [<ffffffffc0091b9b>] drm_mode_cursor_universal+0x12b/0x210 [drm]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.663991]  [<ffffffff817f0a9f>] ? __ww_mutex_lock+0x5f/0xa0
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664037]  [<ffffffffc0091d01>] drm_mode_cursor_common+0x81/0x180 [drm]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664086]  [<ffffffffc0095d20>] drm_mode_cursor_ioctl+0x50/0x70 [drm]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664114]  [<ffffffffc0086505>] drm_ioctl+0x125/0x610 [drm]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664157]  [<ffffffffc0095cd0>] ? drm_mode_setcrtc+0x500/0x500 [drm]
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664175]  [<ffffffff812113c5>] do_vfs_ioctl+0x295/0x480
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664188]  [<ffffffff810885f1>] ? __set_task_blocked+0x41/0xa0
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664200]  [<ffffffff81211629>] SyS_ioctl+0x79/0x90
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664210]  [<ffffffff8108b2ae>] ? SyS_rt_sigprocmask+0x8e/0xc0
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664219]  [<ffffffff817f2d72>] entry_SYSCALL_64_fastpath+0x16/0x75
  Feb 24 09:11:29 MFT-U017 kernel: [67990.664229] ---[ end trace 9389f6704467e57c ]---
  Feb 24 09:14:06 MFT-U017 kernel: [68148.250958] INFO: task kworker/2:3:19384 blocked for more than 120 seconds.
  Feb 24 09:14:06 MFT-U017 kernel: [68148.250967]       Tainted: G        W       4.2.0-30-generic #35-Ubuntu
  Feb 24 09:14:06 MFT-U017 kernel: [68148.250971] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  Feb 24 09:14:06 MFT-U017 kernel: [68148.250975] kworker/2:3     D ffff880272496640     0 19384      2 0x00000000
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251041] Workqueue: events intel_mmio_flip_work_func [i915]
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251046]  ffff88023d78fb38 0000000000000046 ffff880268ac49c0 ffff88017ef50ec0
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251053]  ffff880272416640 ffff88023d790000 ffff880272496640 7fffffffffffffff
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251059]  ffff880077af1f28 ffff880077af9588 ffff88023d78fb58 ffffffff817eeca7
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251065] Call Trace:
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251079]  [<ffffffff817eeca7>] schedule+0x37/0x80
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251088]  [<ffffffff817f1da9>] schedule_timeout+0x189/0x250
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251098]  [<ffffffff8101dcd9>] ? read_tsc+0x9/0x10
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251114]  [<ffffffff810eda47>] ? ktime_get+0x37/0xa0
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251120]  [<ffffffff8101dcd9>] ? read_tsc+0x9/0x10
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251128]  [<ffffffff817ee2b4>] io_schedule_timeout+0xa4/0x110
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251168]  [<ffffffffc01cd9ed>] __i915_wait_request+0x4ad/0x630 [i915]
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251175]  [<ffffffff810bd800>] ? wake_atomic_t_function+0x60/0x60
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251223]  [<ffffffffc020f88f>] intel_mmio_flip_work_func+0x4f/0x3c0 [i915]
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251232]  [<ffffffff810947aa>] process_one_work+0x1aa/0x440
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251240]  [<ffffffff81094a8b>] worker_thread+0x4b/0x4c0
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251248]  [<ffffffff81094a40>] ? process_one_work+0x440/0x440
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251254]  [<ffffffff8109ae28>] kthread+0xd8/0xf0
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251261]  [<ffffffff8109ad50>] ? kthread_create_on_node+0x1f0/0x1f0
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251267]  [<ffffffff817f319f>] ret_from_fork+0x3f/0x70
  Feb 24 09:14:06 MFT-U017 kernel: [68148.251273]  [<ffffffff8109ad50>] ? kthread_create_on_node+0x1f0/0x1f0

  
  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-30-generic 4.2.0-30.35
  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:  jackleigh   2071 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Feb 24 09:24:18 2016
  HibernationDevice: RESUME=UUID=df0fc00c-a8a9-46a7-a285-a9966a00f346
  InstallationDate: Installed on 2016-01-29 (25 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: HP HP ENVY Notebook
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-30-generic.efi.signed root=/dev/mapper/ubuntu--vg-root 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: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/21/2015
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.16
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 80DF
  dmi.board.vendor: HP
  dmi.board.version: 87.34
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.16:bd08/21/2015:svnHP:pnHPENVYNotebook:pvrType1ProductConfigId:rvnHP:rn80DF:rvr87.34:cvnHP:ct10:cvrChassisVersion:
  dmi.product.name: HP ENVY Notebook
  dmi.product.version: Type1ProductConfigId
  dmi.sys.vendor: HP

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