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[Raymond <1519370@xxxxxxxxxxxxxxxxxx>]

23 10:50:43 username-system76 pulseaudio[1385]: [pulseaudio] pid.c: Daemon already running. 
Nov 23 10:50:43 username-system76 kernel: ------------[ cut here ]------------ 
Nov 23 10:50:43 username-system76 kernel: WARNING: CPU: 1 PID: 1209 at /build/linux-jJX2Dm/linux-4.2.0/drivers/gpu/drm/i915/i915_gem.c:5269 i915_gem_track_fb+0x129/0x140 [i915]() 
Nov 23 10:50:43 username-system76 kernel: WARN_ON(!(old->frontbuffer_bits & frontbuffer_bits)) 
Nov 23 10:50:43 username-system76 kernel: Modules linked in: 
Nov 23 10:50:43 username-system76 kernel: rfcomm ec_sys bnep binfmt_misc arc4 x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_via snd_hda_codec_hdmi snd_hda_codec_generic kvm_intel kvm snd_hda_intel snd_usb_audio iwlmvm snd_hda_codec snd_usbmidi_lib crct10dif_pclmul crc32_pclmul snd_hda_core ghash_clmulni_intel mac80211 snd_hwdep aesni_intel btusb aes_x86_64 btrtl lrw btbcm snd_pcm btintel gf128mul bluetooth glue_helper snd_seq_midi ablk_helper snd_seq_midi_event cryptd snd_rawmidi snd_seq iwlwifi snd_seq_device snd_timer rtsx_pci_ms cfg80211 joydev input_leds memstick serio_raw snd lpc_ich shpchp mei_me soundcore mei ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl tpm_infineon ip6t_rt mac_hid nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_tcpudp xt_addrtype 
Nov 23 10:50:43 username-system76 kernel: nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack iptable_filter ip_tables x_tables parport_pc ppdev lp parport autofs4 btrfs xor hid_generic usbhid hid raid6_pq dm_mirror dm_region_hash dm_log rtsx_pci_sdmmc i915 i2c_algo_bit drm_kms_helper psmouse e1000e drm ahci rtsx_pci ptp libahci pps_core wmi video 
Nov 23 10:50:43 username-system76 kernel: CPU: 1 PID: 1209 Comm: Xorg Not tainted 4.2.0-18-generic #22-Ubuntu 
Nov 23 10:50:43 username-system76 kernel: Hardware name: System76, Inc. Galago UltraPro/W740SU , BIOS 4.6.5 12/12/2013 
Nov 23 10:50:43 username-system76 kernel: 0000000000000000 0000000088529204 ffff88040a963a28 ffffffff817e8c09 
Nov 23 10:50:43 username-system76 kernel: 0000000000000000 ffff88040a963a80 ffff88040a963a68 ffffffff8107b3c6 
Nov 23 10:50:43 username-system76 kernel: ffff880035980000 0000000000000010 ffff8800359cc480 ffff8800359cc480 
Nov 23 10:50:43 username-system76 kernel: Call Trace: 
Nov 23 10:50:43 username-system76 kernel: [<ffffffff817e8c09>] dump_stack+0x45/0x57 
Nov 23 10:50:43 username-system76 kernel: [<ffffffff8107b3c6>] warn_slowpath_common+0x86/0xc0 
Nov 23 10:50:43 username-system76 kernel: [<ffffffff8107b455>] warn_slowpath_fmt+0x55/0x70 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc0203ec9>] i915_gem_track_fb+0x129/0x140 [i915] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc024c367>] intel_prepare_plane_fb+0xe7/0x1a0 [i915] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc01affa9>] drm_atomic_helper_prepare_planes+0x59/0xe0 [drm_kms_helper] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc024484e>] __intel_set_mode+0x1ae/0xb60 [i915] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc024bd16>] intel_crtc_set_config+0x2b6/0x580 [i915] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc0078ee5>] ? drm_mode_create+0x25/0x60 [drm] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc00724c6>] drm_mode_set_config_internal+0x66/0x100 [drm] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc0076b29>] drm_mode_setcrtc+0x3e9/0x500 [drm] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc0067495>] drm_ioctl+0x125/0x610 [drm] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffffc0076740>] ? drm_mode_setplane+0x1b0/0x1b0 [drm] 
Nov 23 10:50:43 username-system76 kernel: [<ffffffff812108a5>] do_vfs_ioctl+0x295/0x480 
Nov 23 10:50:43 username-system76 kernel: [<ffffffff811ff685>] ? __sb_end_write+0x35/0x70 
Nov 23 10:50:43 username-system76 kernel: [<ffffffff811fd2ba>] ? vfs_write+0x15a/0x1a0 
Nov 23 10:50:43 username-system76 kernel: [<ffffffff81210b09>] SyS_ioctl+0x79/0x90 
Nov 23 10:50:43 username-system76 kernel: [<ffffffff817ef9f2>] entry_SYSCALL_64_fastpath+0x16/0x75

** Changed in: pulseaudio (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1519370

Title:
  can't switch to USB headset after plugging it in

Status in pulseaudio package in Ubuntu:
  Incomplete

Bug description:
  In 15.10 (Wily)...

  I get to work, plug in my USB hub with my USB headset plugged into it,
  go to sound settings.

  Headset is listed there. I tell sound settings to switch output to the
  headset. It doesn't switch (i.e., when I play a test sound, it's still
  coming out of the laptop's speakers).

  I unplug the USB headset and plug it back in. Same problem.

  I log out and log back in again. Same problem.

  To actually fix this problem, I have to run pulseaudio -k and then
  pluseaudio --start --log-target=syslog.

  I suspect this is related to
  https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1518411 . Is that
  possible?

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: pulseaudio 1:6.0-0ubuntu13 [modified: usr/share/pulseaudio/alsa-mixer/paths/analog-input-internal-mic.conf]
  ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
  Uname: Linux 4.2.0-18-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC2D0p:   jik        2515 F...m pulseaudio
   /dev/snd/controlC2:  jik        2515 F.... pulseaudio
   /dev/snd/controlC0:  jik        2515 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Nov 24 08:50:13 2015
  SourcePackage: pulseaudio
  UpgradeStatus: Upgraded to wily on 2015-11-17 (6 days ago)
  dmi.bios.date: 12/12/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.5
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: W740SU
  dmi.board.vendor: Notebook
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: Notebook
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd12/12/2013:svnSystem76,Inc.:pnGalagoUltraPro:pvrgalu1:rvnNotebook:rnW740SU:rvrNotApplicable:cvnNotebook:ct9:cvrN/A:
  dmi.product.name: Galago UltraPro
  dmi.product.version: galu1
  dmi.sys.vendor: System76, Inc.

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