[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1618600

Title:
  Unclaimed register detected after reading register 0x65f10

Status in linux package in Ubuntu:
  Expired

Bug description:
  [  215.297470] ------------[ cut here ]------------
  [  215.297522] WARNING: CPU: 0 PID: 1673 at 
/build/linux-rTsl6N/linux-4.4.0/ubuntu/i915/intel_uncore.c:804 
__unclaimed_reg_debug+0x6b/0x80 [i915_bpo]()
  [  215.297525] Unclaimed register detected after reading register 0x65f10
  [  215.297527] Modules linked in: nvram msr rfcomm cmac bnep uvcvideo 
videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common 
btusb videodev btrtl media snd_hda_codec_hdmi dell_led snd_hda_codec_realtek 
snd_hda_codec_generic hid_multitouch i2c_designware_platform dell_laptop 
i2c_designware_core dcdbas dell_wmi intel_rapl x86_pkg_temp_thermal 
intel_powerclamp coretemp nls_iso8859_1 kvm_intel kvm irqbypass snd_soc_skl 
snd_soc_skl_ipc snd_hda_ext_core crct10dif_pclmul snd_soc_sst_ipc crc32_pclmul 
snd_soc_sst_dsp snd_soc_core brcmfmac snd_compress ac97_bus snd_pcm_dmaengine 
dw_dmac_core snd_hda_intel brcmutil cfg80211 snd_hda_codec rtsx_pci_ms 
snd_hda_core memstick snd_hwdep aesni_intel aes_x86_64 lrw gf128mul glue_helper 
ablk_helper snd_pcm cryptd snd_seq_midi snd_seq_midi_event snd_rawmidi
  [  215.297587]  input_leds snd_seq snd_seq_device snd_timer serio_raw snd 
soundcore shpchp mei_me idma64 mei virt_dma intel_lpss_pci 
processor_thermal_device intel_soc_dts_iosf hci_uart btbcm btqca btintel 
bluetooth intel_lpss_acpi intel_lpss acpi_pad int3403_thermal 
int340x_thermal_zone int3400_thermal acpi_thermal_rel intel_hid sparse_keymap 
acpi_als kfifo_buf industrialio joydev mac_hid parport_pc ppdev lp parport 
ip_tables x_tables autofs4 rtsx_pci_sdmmc i915_bpo intel_ips i2c_algo_bit 
psmouse drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops nvme drm 
rtsx_pci ahci libahci wmi i2c_hid hid pinctrl_sunrisepoint video pinctrl_intel 
fjes
  [  215.297642] CPU: 0 PID: 1673 Comm: alsa-source-ALC Not tainted 
4.4.0-9136-generic #55-Ubuntu
  [  215.297645] Hardware name: Dell Inc. XPS 13 9350/0RH0V2, BIOS 1.4.4 
06/14/2016
  [  215.297648]  0000000000000086 00000000e4fd464c ffff880060e23778 
ffffffff813f13e3
  [  215.297652]  ffff880060e237c0 ffffffffc02a17b8 ffff880060e237b0 
ffffffff810810f2
  [  215.297657]  0000000000065f10 0000000000000000 0000000000000001 
ffff88026eba0000
  [  215.297661] Call Trace:
  [  215.297670]  [<ffffffff813f13e3>] dump_stack+0x63/0x90
  [  215.297676]  [<ffffffff810810f2>] warn_slowpath_common+0x82/0xc0
  [  215.297680]  [<ffffffff8108118c>] warn_slowpath_fmt+0x5c/0x80
  [  215.297722]  [<ffffffffc020279b>] __unclaimed_reg_debug+0x6b/0x80 
[i915_bpo]
  [  215.297760]  [<ffffffffc02084a3>] gen9_read32+0x373/0x3a0 [i915_bpo]
  [  215.297799]  [<ffffffffc020f3e9>] 
i915_audio_component_codec_wake_override+0x39/0xb0 [i915_bpo]
  [  215.297810]  [<ffffffffc05e39bf>] snd_hdac_set_codec_wakeup+0x3f/0xa0 
[snd_hda_core]
  [  215.297815]  [<ffffffffc0518127>] azx_runtime_resume+0x187/0x1b0 
[snd_hda_intel]
  [  215.297821]  [<ffffffff81440ffb>] pci_pm_runtime_resume+0x7b/0xa0
  [  215.297827]  [<ffffffff8155e6d3>] __rpm_callback+0x33/0x70
  [  215.297831]  [<ffffffff81440f80>] ? pci_restore_standard_config+0x40/0x40
  [  215.297836]  [<ffffffff8155e734>] rpm_callback+0x24/0x80
  [  215.297840]  [<ffffffff81440f80>] ? pci_restore_standard_config+0x40/0x40
  [  215.297844]  [<ffffffff8155eef7>] rpm_resume+0x497/0x6a0
  [  215.297849]  [<ffffffff8155ed41>] rpm_resume+0x2e1/0x6a0
  [  215.297854]  [<ffffffff8155f98e>] __pm_runtime_resume+0x4e/0x70
  [  215.297862]  [<ffffffffc05deea3>] snd_hdac_power_up+0x13/0x20 
[snd_hda_core]
  [  215.297876]  [<ffffffffc05fbc12>] azx_pcm_open+0x1d2/0x370 [snd_hda_codec]
  [  215.297886]  [<ffffffffc04f47bb>] snd_pcm_open_substream+0x7b/0x130 
[snd_pcm]
  [  215.297895]  [<ffffffffc04f4927>] snd_pcm_open+0xb7/0x240 [snd_pcm]
  [  215.297900]  [<ffffffff811eb823>] ? kmem_cache_alloc_trace+0x183/0x1f0
  [  215.297905]  [<ffffffff810ab149>] ? ttwu_do_wakeup+0x19/0xe0
  [  215.297908]  [<ffffffff810ac0c0>] ? wake_up_q+0x70/0x70
  [  215.297916]  [<ffffffffc04f4af7>] snd_pcm_capture_open+0x47/0x70 [snd_pcm]
  [  215.297924]  [<ffffffffc0479451>] snd_open+0xb1/0x180 [snd]
  [  215.297930]  [<ffffffff81211b8f>] chrdev_open+0xbf/0x1b0
  [  215.297934]  [<ffffffff8120acef>] do_dentry_open+0x1ff/0x310
  [  215.297938]  [<ffffffff81211ad0>] ? cdev_put+0x30/0x30
  [  215.297942]  [<ffffffff8120be84>] vfs_open+0x54/0x80
  [  215.297946]  [<ffffffff81217aeb>] ? may_open+0x5b/0xf0
  [  215.297951]  [<ffffffff8121b667>] path_openat+0x1b7/0x1330
  [  215.297956]  [<ffffffff8125233a>] ? inotify_handle_event+0xba/0x160
  [  215.297962]  [<ffffffff8121d9d1>] do_filp_open+0x91/0x100
  [  215.297966]  [<ffffffff812243e3>] ? dput+0xb3/0x220
  [  215.297970]  [<ffffffff8122b266>] ? __alloc_fd+0x46/0x190
  [  215.297975]  [<ffffffff8120c258>] do_sys_open+0x138/0x2a0
  [  215.297979]  [<ffffffff8120c3de>] SyS_open+0x1e/0x20
  [  215.297983]  [<ffffffff8182dff2>] entry_SYSCALL_64_fastpath+0x16/0x71
  [  215.297987] ---[ end trace 9dec7bbe5062d261 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: linux-image-4.4.0-9136-generic 4.4.0-9136.55
  ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
  Uname: Linux 4.4.0-9136-generic x86_64
  ApportVersion: 2.20.3-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dz0ny      1671 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Tue Aug 30 21:22:40 2016
  HibernationDevice: RESUME=UUID=3a6c7883-5da1-4cbc-8f4d-2422f39d1043
  InstallationDate: Installed on 2016-08-29 (1 days ago)
  InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Alpha amd64 (20160823)
  MachineType: Dell Inc. XPS 13 9350
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=sl_SI.UTF-8
   SHELL=/usr/bin/fish
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-9136-generic.efi.signed 
root=UUID=f2a07204-d825-414c-ba21-a7c74c0e2295 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-9136-generic N/A
   linux-backports-modules-4.4.0-9136-generic  N/A
   linux-firmware                              1.160
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/14/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.4.4
  dmi.board.name: 0RH0V2
  dmi.board.vendor: Dell Inc.
  dmi.board.version: X00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.4.4:bd06/14/2016:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn0RH0V2:rvrX00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9350
  dmi.sys.vendor: Dell Inc.

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