pulseaudio use 100% CPU

[Matthieu Patou]

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

[Raymond (superquad-vortex2)]

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_setcr...

[Daniel van Vugt (vanvugt)]

Thank you for reporting this bug to Ubuntu.
Ubuntu 14.10 (utopic) reached end-of-life on July 23, 2015.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test.

[Launchpad Janitor (janitor)]

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