With this kernel I can't connect my bluetooth mouse at all. The gnome shell bluetooth indicator says that bluetooth is disabled, and I found that in dmesg: [ 5.804824] BUG: unable to handle kernel paging request at 00004ceb429dd5d6 [ 5.808059] IP: [] rfcomm_sock_getsockopt+0x10b/0x290 [rfcomm] [ 5.810180] PGD 0 [ 5.812090] Oops: 0000 [#18] SMP [ 5.814111] Modules linked in: joydev(F) snd_hda_codec_hdmi(F) snd_hda_codec_idt(F) btusb(F) uvcvideo(F) x86_pkg_temp_thermal(F) videobuf2_vmalloc(F) intel_powerclamp(F) videobuf2_memops(F) coretemp(F) videobuf2_core(F) videodev(F) kvm(F) crct10dif_pclmul(F) crc32_pclmul(F) ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) lrw(F) gf128mul(F) glue_helper(F) ablk_helper(F) cryptd(F) hid_generic(F) hp_wmi(F) sparse_keymap(F) usbhid(F) hid(F) snd_hda_intel(F) snd_hda_codec(F) snd_hwdep(F) snd_pcm(F) snd_page_alloc(F) microcode(F) snd_seq_midi(F) snd_seq_midi_event(F) snd_rawmidi(F) snd_seq(F) arc4(F) snd_seq_device(F) snd_timer(F) iwldvm(F) parport_pc(F) mac80211(F) ppdev(F) iwlwifi(F) psmouse(F) rtsx_pci_ms(F) serio_raw(F) memstick(F) snd(F) i915(F) cfg80211(F) bnep(F) rfcomm(F) bluetooth(F) drm_kms_helper(F) lpc_ich(F) drm(F) soundcore(F) i2c_algo_bit(F) mei_me(F) mei(F) wmi(F) video(F) intel_smartconnect(F) mac_hid(F) lp(F) parport(F) rtsx_pci_sdmmc(F) ahci(F) libahci(F) sdhci_pci(F) sdhci(F) rtsx_pci(F) r8169(F) mii(F) [ 5.837697] CPU: 1 PID: 1526 Comm: bluetoothd Tainted: GF D 3.12.0-rc1-custom+ #1 [ 5.841122] Hardware name: Hewlett-Packard HP Folio 13 Notebook PCC /17F8, BIOS F.0B 01/23/2013 [ 5.844569] task: ffff8802431797a0 ti: ffff8800a3880000 task.ti: ffff8800a3880000 [ 5.848006] RIP: 0010:[] [] rfcomm_sock_getsockopt+0x10b/0x290 [rfcomm] [ 5.851472] RSP: 0018:ffff8800a3881f00 EFLAGS: 00010246 [ 5.854872] RAX: 00004ceb429dd5d6 RBX: 0000000000000012 RCX: 00007fff84769d78 [ 5.858240] RDX: 0000000000000003 RSI: 0000000000000012 RDI: ffff880240b8a580 [ 5.861558] RBP: ffff8800a3881f38 R08: 00007fff84769d7c R09: 00007fff84769ff8 [ 5.864843] R10: 00007fff84769d78 R11: 0000000000000202 R12: ffff880242fd2400 [ 5.868115] R13: 00007fff84769d78 R14: 0000000000000003 R15: ffff880240b8a580 [ 5.871257] FS: 00007f256b7b0740(0000) GS:ffff88024fa40000(0000) knlGS:0000000000000000 [ 5.874362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5.877454] CR2: 00004ceb429dd5d6 CR3: 00000000a3823000 CR4: 00000000000407e0 [ 5.880561] Stack: [ 5.883574] 0000000000000246 ffff8800a3881f58 ffff880240b8a580 0000000000000012 [ 5.886507] 0000000000000003 00007fff84769d78 00007fff84769d7c ffff8800a3881f78 [ 5.889425] ffffffff815f9698 0000000000000000 0000000000000001 00007fff84769ff8 [ 5.892352] Call Trace: [ 5.895272] [] SyS_getsockopt+0x68/0xd0 [ 5.898199] [] tracesys+0xe1/0xe6 [ 5.901113] Code: f1 48 83 c4 10 44 89 c8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 4d 8b 67 20 f6 05 37 70 00 00 04 49 8b 84 24 c0 02 00 00 <48> 8b 18 0f 85 48 01 00 00 4c 89 c0 e8 34 61 16 e1 85 c0 49 89 [ 5.907206] RIP [] rfcomm_sock_getsockopt+0x10b/0x290 [rfcomm] [ 5.910212] RSP [ 5.913209] CR2: 00004ceb429dd5d6 [ 5.916231] ---[ end trace 3cb43057b7ccf772 ]--- [ 5.916999] init: bluetooth main process (1526) killed by KILL signal [ 5.917039] init: bluetooth respawning too fast, stopped [ On 7 December 2013 00:48, Christopher M. Penalver <