btusb kernel taint while trying to pair a bluetooth headset

[Gabriel Fróes Franco]

After the upgrade to 12.10 while trying to pair a bluetooth headset the following message appears on the syslog:

------------[ cut here ]------------
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433514] WARNING: at /build/buildd/linux-3.5.0/lib/kobject.c:196 kobject_add_internal+0x204/0x220()
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433515] Hardware name: Dell System XPS L502X
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433517] kobject_add_internal failed for ep_83 with -EEXIST, don't try to register things with the same name in the same directory.
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433518] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek joydev pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) bbswitch(O) parport_pc ppdev bnep rfcomm binfmt_misc arc4 btusb bluetooth dell_wmi sparse_keymap uvcvideo videobuf2_core videodev videobuf2_vmalloc videobuf2_memops dell_laptop dcdbas coretemp kvm_intel kvm ghash_clmulni_intel aesni_intel cryptd aes_x86_64 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm microcode snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq psmouse iwlwifi snd_timer snd_seq_device mac80211 serio_raw cfg80211 lpc_ich snd i915 soundcore snd_page_alloc mei wmi drm_kms_helper drm i2c_algo_bit video mac_hid lp parport r8169
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433559] Pid: 51, comm: kworker/3:1 Tainted: G W O 3.5.0-16-generic #25-Ubuntu
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433560] Call Trace:
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433564] [<ffffffff81051c4f>] warn_slowpath_common+0x7f/0xc0
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433568] [<ffffffff81051d46>] warn_slowpath_fmt+0x46/0x50
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433571] [<ffffffff8132b1d4>] kobject_add_internal+0x204/0x220
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433575] [<ffffffff8132b527>] kobject_add+0x67/0xc0
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433578] [<ffffffff8141ca86>] device_add+0x106/0x6c0
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433582] [<ffffffff8142b52d>] ? pm_runtime_init+0xdd/0xf0
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433585] [<ffffffff8141d05e>] device_register+0x1e/0x30
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433589] [<ffffffff814be36e>] usb_create_ep_devs+0x9e/0xf0
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433592] [<ffffffff814b6529>] create_intf_ep_devs+0x59/0x80
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433595] [<ffffffff814b83a6>] usb_set_interface+0x216/0x2d0
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433600] [<ffffffffa04ca9ed>] btusb_work+0x22d/0x3e0 [btusb]
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433603] [<ffffffff810707fa>] process_one_work+0x12a/0x420
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433608] [<ffffffffa04ca7c0>] ? btusb_submit_isoc_urb+0x220/0x220 [btusb]
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433611] [<ffffffff8107139e>] worker_thread+0x12e/0x2f0
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433614] [<ffffffff81071270>] ? manage_workers.isra.26+0x200/0x200
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433616] [<ffffffff81076293>] kthread+0x93/0xa0
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433619] [<ffffffff8168a864>] kernel_thread_helper+0x4/0x10
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433623] [<ffffffff81076200>] ? flush_kthread_worker+0x80/0x80
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433626] [<ffffffff8168a860>] ? gs_change+0x13/0x13
Sep 30 12:13:39 XPS-L502X kernel: [ 836.433628] ---[ end trace 67c75d83bd3d4dbb ]---

The bluetooth device pairs correctly but does not work and logs the following messages:\

Sep 30 12:13:39 XPS-L502X bluetoothd[5665]: Operation not supported (95)
Sep 30 12:13:39 XPS-L502X pulseaudio[2481]: [pulseaudio] bluetooth-util.c: Failed to acquire transport fd: Input/output error
Sep 30 12:13:39 XPS-L502X pulseaudio[2481]: [pulseaudio] module.c: Failed to load module "module-bluetooth-device" (argument: "address="00:18:6B:A1:55:AC" path="/org/bluez/5665/hci0/dev_00_18_6B_A1_55_AC""): initialization failed.

Please let me know if you need any more info or testing. This works as expected on the same machine running 12.04.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: alsa-base 1.0.25+dfsg-0ubuntu2
ProcVersionSignature: Ubuntu 3.5.0-16.25-generic 3.5.4
Uname: Linux 3.5.0-16-generic x86_64
ApportVersion: 2.5.3-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: gabriel 2481 F.... pulseaudio
Date: Sun Sep 30 12:14:33 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Title: Bluetooth sound card not detected
UpgradeStatus: Upgraded to quantal on 2012-09-24 (6 days ago)
dmi.bios.date: 05/29/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 04X7VP
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnDellInc.:bvrA11:bd05/29/2012:svnDellInc.:pnDellSystemXPSL502X:pvr:rvnDellInc.:rn04X7VP:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS L502X
dmi.sys.vendor: Dell Inc.

[Gabriel Fróes Franco (gffranco)]

Fixing to the correct package.

[Gabriel Fróes Franco (gffranco)]

This continue to affect me after upgrade from beta to final 12.10 release.

[Gnuton (antonio-aloisio)]

same problem on my linux box. i get a similar msg when i try to pair my bt keyboard.

[Daniel van Vugt (vanvugt)]

Thank you for reporting this bug to Ubuntu.
Ubuntu 12.10 (quantal) reached end-of-life on May 16, 2014.

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.]