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[Raymond <1396848@xxxxxxxxxxxxxxxxxx>]

Default sample spec: s16le 2ch 44100Hz
Default channel map: front-left,front-right
Default sink name: auto_null
Default source name: auto_null.monitor


145984.025831] WARNING: CPU: 0 PID: 3405 at /build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_pm.c:6001 intel_display_power_put+0xf9/0x160 [i915]()
[145984.025833] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_controller btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs asix usbnet mii hidp pl2303 usbserial nfnetlink xt_recent pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) veth xt_CHECKSUM bridge stp llc ctr ccm aufs rfcomm bnep binfmt_misc dm_crypt ip6t_REJECT nls_iso8859_1 xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT xt_comment xt_LOG xt_limit ipt_MASQUERADE xt_REDIRECT xt_tcpudp xt_addrtype xt_conntrack iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 intel_rapl ip6table_mangle x86_pkg_temp_thermal intel_powerclamp arc4 coretemp uvcvideo videobuf2_vmalloc kvm_intel videobuf2_memops videobuf2_core v4l2_common kvm btusb bluetooth videodev iptable_mangle 6lowpan_iphc
[145984.025873]  media crct10dif_pclmul ip6table_filter hid_multitouch snd_hda_codec_generic ip6_tables crc32_pclmul nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat ghash_clmulni_intel nf_conntrack_ftp nf_conntrack snd_hda_codec iptable_filter snd_hwdep ip_tables x_tables iwlmvm snd_pcm mac80211 aesni_intel snd_seq_midi_event aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd thinkpad_acpi snd_rawmidi nvram iwlwifi snd_seq snd_seq_device cfg80211 snd_timer joydev rtsx_pci_ms serio_raw memstick snd mei_me soundcore mei shpchp lpc_ich mac_hid intel_smartconnect parport_pc xfs ppdev lp parport libcrc32c hid_generic usbhid hid rtsx_pci_sdmmc i915 e1000e ptp psmouse i2c_algo_bit pps_core drm_kms_helper ahci drm libahci rtsx_pci wmi video [last unloaded: snd_seq_midi]
[145984.025913] CPU: 0 PID: 3405 Comm: Xorg Tainted: G        W  OE 3.16.0-24-generic #32-Ubuntu
[145984.025915] Hardware name: LENOVO 20ALCTO1WW/20ALCTO1WW, BIOS GIET69WW (2.19 ) 02/06/2014
[145984.025916]  0000000000000009 ffff88001b173af8 ffffffff8277fcbc 0000000000000000
[145984.025919]  ffff88001b173b30 ffffffff8206fd8d ffffffffc029c800 0000000000000001
[145984.025922]  ffff8800da208520 0000000000000000 ffff8800da200000 ffff88001b173b40
[145984.025925] Call Trace:
[145984.025932]  [<ffffffff8277fcbc>] dump_stack+0x45/0x56
[145984.025936]  [<ffffffff8206fd8d>] warn_slowpath_common+0x7d/0xa0
[145984.025943]  [<ffffffff8206fe6a>] warn_slowpath_null+0x1a/0x20
[145984.025958]  [<ffffffffc01ee209>] intel_display_power_put+0xf9/0x160 [i915]
[145984.025981]  [<ffffffffc0236ff4>] modeset_update_crtc_power_domains+0x204/0x210 [i915]
[145984.026001]  [<ffffffffc023700e>] haswell_modeset_global_resources+0xe/0x10 [i915]
[145984.026020]  [<ffffffffc023870a>] __intel_set_mode+0x5fa/0xab0 [i915]
[145984.026039]  [<ffffffffc023baf6>] intel_set_mode+0x16/0x30 [i915]
[145984.026057]  [<ffffffffc023cbba>] intel_crtc_set_config+0xa4a/0xda0 [i915]
[145984.026077]  [<ffffffffc01066d1>] drm_mode_set_config_internal+0x61/0xe0 [drm]
[145984.026094]  [<ffffffffc010a413>] drm_mode_setcrtc+0x283/0x580 [drm]
[145984.026106]  [<ffffffffc00faa4f>] drm_ioctl+0x1df/0x680 [drm]
[145984.026113]  [<ffffffff821f4bc8>] do_vfs_ioctl+0x2c8/0x4a0
[145984.026116]  [<ffffffff821e31a1>] ? __sb_end_write+0x31/0x60
[145984.026120]  [<ffffffff821e0d12>] ? vfs_write+0x1b2/0x1f0
[145984.026122]  [<ffffffff821f4e21>] SyS_ioctl+0x81/0xa0
[145984.026125]  [<ffffffff82787ced>] system_call_fastpath+0x1a/0x1f

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Packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1396848

Title:
  pulseaudio use 100% CPU

Status in “pulseaudio” package in Ubuntu:
  New

Bug description:
  Pulse audio was running at 100% CPU.

  #1  0x00007f555f872882 in pa_semaphore_wait () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
  #2  0x00007f555faabf97 in pa_asyncmsgq_send () from /usr/lib/libpulsecore-4.0.so
  #3  0x00007f555fadc79f in ?? () from /usr/lib/libpulsecore-4.0.so
  #4  0x00007f555fae4cc1 in pa_sink_suspend () from /usr/lib/libpulsecore-4.0.so
  #5  0x00007f555fabbc1e in pa_card_suspend () from /usr/lib/libpulsecore-4.0.so
  #6  0x00007f5559c092a8 in ?? () from /usr/lib/pulse-4.0/modules/module-udev-detect.so
  #7  0x00007f5559c0a105 in ?? () from /usr/lib/pulse-4.0/modules/module-udev-detect.so
  #8  0x00007f555f600b87 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
  #9  0x00007f555f600f8c in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
  #10 0x00007f555f601030 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
  #11 0x0000000000407058 in main ()

  Is the stack trace where it was before I had to kill it.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: pulseaudio 1:4.0-0ubuntu22
  ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4
  Uname: Linux 3.16.0-24-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  mat        7680 F.... pulseaudio
   /dev/snd/controlC0:  mat        7680 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Nov 26 18:34:22 2014
  SourcePackage: pulseaudio
  UpgradeStatus: Upgraded to utopic on 2014-10-24 (33 days ago)
  dmi.bios.date: 02/06/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GIET69WW (2.19 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ALCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50512 STD
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGIET69WW(2.19):bd02/06/2014:svnLENOVO:pn20ALCTO1WW:pvrThinkPadX240:rvnLENOVO:rn20ALCTO1WW:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20ALCTO1WW
  dmi.product.version: ThinkPad X240
  dmi.sys.vendor: LENOVO
  modified.conffile..etc.pulse.default.pa: [modified]
  mtime.conffile..etc.pulse.default.pa: 2014-06-17T20:21:21.095448

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