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
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