When trying to pair a Bluetooh headset (BPM X1 Headphones) the operations times
out, and the following appears in /var/log/messages:
====
112416+01:00 yosie kernel: [ 4397.298229] ------------[ cut here ]------------
2015-01-04T19:25:28.112450+01:00 yosie kernel: [ 4397.298288] WARNING: CPU: 1
PID: 28817 at ../net/bluetooth/hci_conn.c:296 hci_conn_timeout+0x4a/0x280
[bluetooth]()
2015-01-04T19:25:28.112454+01:00 yosie kernel: [ 4397.298293] Modules linked
in: fuse nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss oid_registry nfsv4
dns_resolver nfs lockd sunrpc fscache rfcomm iscsi_ibft iscsi_boot_sysfs
af_packet bnep ecb btusb bluetooth 6lowpan_iphc raid1 uvcvideo md_mod
videobuf2_vmalloc snd_usb_audio videobuf2_memops videobuf2_core snd_usbmidi_lib
v4l2_common videodev eeepc_wmi asus_wmi sparse_keymap rfkill video kvm_amd kvm
snd_hda_codec_realtek snd_hda_codec_generic serio_raw snd_hda_codec_hdmi pcspkr
k10temp snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 mii
snd_ens1371 snd_rawmidi snd_ac97_codec snd_pcm shpchp ac97_bus gameport
i2c_piix4 wmi tpm_infineon tpm_tis tpm acpi_cpufreq button processor snd_seq
snd_seq_device snd_timer snd soundcore ata_generic pata_atiixp ohci_pci radeon
sr_mod cdrom i2c_algo_bit drm_kms_helper ttm drm xhci_hcd dm_mirror
dm_region_hash dm_log dm_mod sg
2015-01-04T19:25:28.112458+01:00 yosie kernel: [ 4397.298411] CPU: 1 PID: 28817
Comm: kworker/u9:0 Tainted: G W 3.16.7-7-desktop #1
2015-01-04T19:25:28.112461+01:00 yosie kernel: [ 4397.298416] Hardware name:
System manufacturer System Product Name/F1A75-M-PRO R2.0, BIOS 5010 08/09/2012
2015-01-04T19:25:28.112464+01:00 yosie kernel: [ 4397.298446] Workqueue: hci0
hci_conn_timeout [bluetooth]
2015-01-04T19:25:28.112467+01:00 yosie kernel: [ 4397.298451] 0000000000000009
ffffffff8161bd03 0000000000000000 ffffffff8105cad7
2015-01-04T19:25:28.112469+01:00 yosie kernel: [ 4397.298458] ffff8800b8cfa8b8
00000000ffffffff ffff8800b8cfa800 ffff88021158a900
2015-01-04T19:25:28.112472+01:00 yosie kernel: [ 4397.298465] 0000000000000000
ffffffffa05c3d3a ffffffff8161e59d ffff8800b8cfa8b8
2015-01-04T19:25:28.112474+01:00 yosie kernel: [ 4397.298471] Call Trace:
2015-01-04T19:25:28.112477+01:00 yosie kernel: [ 4397.298499]
[<ffffffff810051ee>] dump_trace+0x8e/0x350
2015-01-04T19:25:28.112479+01:00 yosie kernel: [ 4397.298511]
[<ffffffff81005556>] show_stack_log_lvl+0xa6/0x190
2015-01-04T19:25:28.112482+01:00 yosie kernel: [ 4397.298521]
[<ffffffff81006c51>] show_stack+0x21/0x50
2015-01-04T19:25:28.112484+01:00 yosie kernel: [ 4397.298532]
[<ffffffff8161bd03>] dump_stack+0x49/0x6a
2015-01-04T19:25:28.112487+01:00 yosie kernel: [ 4397.298543]
[<ffffffff8105cad7>] warn_slowpath_common+0x77/0x90
2015-01-04T19:25:28.112489+01:00 yosie kernel: [ 4397.298576]
[<ffffffffa05c3d3a>] hci_conn_timeout+0x4a/0x280 [bluetooth]
2015-01-04T19:25:28.112584+01:00 yosie kernel: [ 4397.298640]
[<ffffffff810770fd>] process_one_work+0x16d/0x460
2015-01-04T19:25:28.112596+01:00 yosie kernel: [ 4397.298651]
[<ffffffff810779e5>] worker_thread+0x115/0x5102015-01-04T19:25:28.112416+01:00
yosie kernel: [ 4397.298229] ------------[ cut here ]------------
2015-01-04T19:25:28.112450+01:00 yosie kernel: [ 4397.298288] WARNING: CPU: 1
PID: 28817 at ../net/bluetooth/hci_conn.c:296 hci_conn_timeout+0x4a/0x280
[bluetooth]()
2015-01-04T19:25:28.112454+01:00 yosie kernel: [ 4397.298293] Modules linked
in: fuse nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss oid_registry nfsv4
dns_resolver nfs lockd sunrpc fscache rfcomm iscsi_ibft iscsi_boot_sysfs
af_packet bnep ecb btusb bluetooth 6lowpan_iphc raid1 uvcvideo md_mod
videobuf2_vmalloc snd_usb_audio videobuf2_memops videobuf2_core snd_usbmidi_lib
v4l2_common videodev eeepc_wmi asus_wmi sparse_keymap rfkill video kvm_amd kvm
snd_hda_codec_realtek snd_hda_codec_generic serio_raw snd_hda_codec_hdmi pcspkr
k10temp snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 mii
snd_ens1371 snd_rawmidi snd_ac97_codec snd_pcm shpchp ac97_bus gameport
i2c_piix4 wmi tpm_infineon tpm_tis tpm acpi_cpufreq button processor snd_seq
snd_seq_device snd_timer snd soundcore ata_generic pata_atiixp ohci_pci radeon
sr_mod cdrom i2c_algo_bit drm_kms_helper ttm drm xhci_hcd dm_mirror
dm_region_hash dm_log dm_mod sg
2015-01-04T19:25:28.112458+01:00 yosie kernel: [ 4397.298411] CPU: 1 PID: 28817
Comm: kworker/u9:0 Tainted: G W 3.16.7-7-desktop #1
2015-01-04T19:25:28.112461+01:00 yosie kernel: [ 4397.298416] Hardware name:
System manufacturer System Product Name/F1A75-M-PRO R2.0, BIOS 5010 08/09/2012
2015-01-04T19:25:28.112464+01:00 yosie kernel: [ 4397.298446] Workqueue: hci0
hci_conn_timeout [bluetooth]
2015-01-04T19:25:28.112467+01:00 yosie kernel: [ 4397.298451] 0000000000000009
ffffffff8161bd03 0000000000000000 ffffffff8105cad7
2015-01-04T19:25:28.112469+01:00 yosie kernel: [ 4397.298458] ffff8800b8cfa8b8
00000000ffffffff ffff8800b8cfa800 ffff88021158a900
2015-01-04T19:25:28.112472+01:00 yosie kernel: [ 4397.298465] 0000000000000000
ffffffffa05c3d3a ffffffff8161e59d ffff8800b8cfa8b8
2015-01-04T19:25:28.112474+01:00 yosie kernel: [ 4397.298471] Call Trace:
2015-01-04T19:25:28.112477+01:00 yosie kernel: [ 4397.298499]
[<ffffffff810051ee>] dump_trace+0x8e/0x350
2015-01-04T19:25:28.112479+01:00 yosie kernel: [ 4397.298511]
[<ffffffff81005556>] show_stack_log_lvl+0xa6/0x190
2015-01-04T19:25:28.112482+01:00 yosie kernel: [ 4397.298521]
[<ffffffff81006c51>] show_stack+0x21/0x50
2015-01-04T19:25:28.112484+01:00 yosie kernel: [ 4397.298532]
[<ffffffff8161bd03>] dump_stack+0x49/0x6a
2015-01-04T19:25:28.112487+01:00 yosie kernel: [ 4397.298543]
[<ffffffff8105cad7>] warn_slowpath_common+0x77/0x90
2015-01-04T19:25:28.112489+01:00 yosie kernel: [ 4397.298576]
[<ffffffffa05c3d3a>] hci_conn_timeout+0x4a/0x280 [bluetooth]
2015-01-04T19:25:28.112584+01:00 yosie kernel: [ 4397.298640]
[<ffffffff810770fd>] process_one_work+0x16d/0x460
2015-01-04T19:25:28.112596+01:00 yosie kernel: [ 4397.298651]
[<ffffffff810779e5>] worker_thread+0x115/0x510
2015-01-04T19:25:28.112598+01:00 yosie kernel: [ 4397.298662]
[<ffffffff8107dd5d>] kthread+0xbd/0xe0
2015-01-04T19:25:28.112601+01:00 yosie kernel: [ 4397.298672]
[<ffffffff8162297c>] ret_from_fork+0x7c/0xb0
2015-01-04T19:25:28.112604+01:00 yosie kernel: [ 4397.298681] ---[ end trace
4772ff5681be4670 ]---
2015-01-04T19:25:28.194795+01:00 yosie bluetoothd[1061]: connect error:
Software caused connection abort (103)
2015-01-04T19:25:28.112598+01:00 yosie kernel: [ 4397.298662]
[<ffffffff8107dd5d>] kthread+0xbd/0xe0
2015-01-04T19:25:28.112601+01:00 yosie kernel: [ 4397.298672]
[<ffffffff8162297c>] ret_from_fork+0x7c/0xb0
2015-01-04T19:25:28.112604+01:00 yosie kernel: [ 4397.298681] ---[ end trace
4772ff5681be4670 ]---
2015-01-04T19:25:28.194795+01:00 yosie bluetoothd[1061]: connect error:
Software caused connection abort (103)
=====
I have tried to pair the same headset on a live Rosa setup, and there it works
as expected.