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[Yuan-Chen Cheng <yc.cheng@xxxxxxxxxxxxx>]

** Changed in: indicator-bluetooth (Ubuntu)
       Status: Confirmed => In Progress

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https://bugs.launchpad.net/bugs/1358293

Title:
  Turning off Bluetooth in the Indicator Crashes the Phone

Status in “indicator-bluetooth” package in Ubuntu:
  In Progress

Bug description:
  Steps:
  1. Enable a bluetooth headset or earbuds
  2. Start the music player and play an album
  3. Confirm that the music is playing
  4. Turn off the screen and listen to the music for a few tracks
  5. Turn on the screen and pause the music player
  6. Pull down the indicator and try to disable bluetooth

  The indicator freezes for a time, then the whole phone reboots

  root@ubuntu-phablet:/# cat /proc/last_kmsg       
  ram console header, hw_status: 2, fiq step 40.
  bin log 0.
  x104) from [<c07e9958>] (dump_stack+0x20/0x24)
  [ 1164.156265] (1)[2070:unity8][<c07e9958>] (dump_stack+0x20/0x24) from [<c0014238>] (handle_IPI+0x21c/0x250)
  [ 1164.157473] (1)[2070:unity8][<c0014238>] (handle_IPI+0x21c/0x250) from [<c00085bc>] (do_IPI+0x18/0x1c)
  [ 1164.158638] (1)[2070:unity8][<c00085bc>] (do_IPI+0x18/0x1c) from [<c07fa0d4>] (__irq_usr+0x34/0xc0)
  [ 1164.160851] (0)[2053:indicator-bluet]init emmc for ipanic dump
  [ 1164.175534] (0)[2053:indicator-bluet][pll]0xF020924C = 0x80000001
  [ 1164.176285] (0)[2053:indicator-bluet][pll]0xF0209240 = 0x121
  [ 1164.176992] (0)[2053:indicator-bluet][mux] 0xF0000060 = 0x1818100
  [ 1164.177749] (0)[2053:indicator-bluet][mux] 0xF0000070 = 0x81808101
  [ 1164.178519] (0)[2053:indicator-bluet][clk] 0xF0003010 = 0x0
  [ 1164.179213] (0)[2053:indicator-bluet][clk] 0xF0003018 = 0x2fecffd
  [ 1164.180068] (0)[2053:indicator-bluet]send cmd0========
  [ 1164.184692] (0)[2053:indicator-bluet]cmd1: resp(0xff8080), i=500
  [ 1164.185430] (0)[2053:indicator-bluet]send cmd0========
  [ 1164.213984] (0)[2053:indicator-bluet]cmd1: resp(0xc0ff8080), i=498
  [ 1164.216746] (0)[2053:indicator-bluet]resp: 0x11010030 0x30384739 0x32009acc 0xa9373149
  [ 1164.240817] (0)[2053:indicator-bluet]read fifo done, wait xfer_compl interrupt
  [ 1164.241712] (0)[2053:indicator-bluet]emmc offset (0x5c00)
  [ 1164.244389] (0)[2053:indicator-bluet]init eMMC success
  [ 1167.466826] (0)[2053:indicator-bluet]card_dump_func_write failed (18), size: 0x58000
  [ 1167.467803] (0)[2053:indicator-bluet]CPU: 0    Tainted: G        W     (3.4.67 #1)
  [ 1167.468745] (0)[2053:indicator-bluet]PC is at l2cap_chan_destroy+0x3c/0x88
  [ 1167.469599] (0)[2053:indicator-bluet]LR is at __raw_write_lock+0x34/0xa8
  [ 1167.470437] (0)[2053:indicator-bluet]pc : [<c07a6adc>]    lr : [<c07f9b74>]    psr: 600f0013
  [ 1167.470444] (0)[2053:indicator-bluet]sp : d8897d68  ip : 00100100  fp : d8897d7c
  [ 1167.472412] (0)[2053:indicator-bluet]r10: cc583a20  r9 : cf9db800  r8 : c74e1300
  [ 1167.473335] (0)[2053:indicator-bluet]r7 : 00000067  r6 : c74e13bc  r5 : cc58380c  r4 : cc583800
  [ 1167.474419] (0)[2053:indicator-bluet]r3 : 00200200  r2 : 00100100  r1 : 00200200  r0 : c1128f40
  [ 1167.475505] (0)[2053:indicator-bluet]Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
  [ 1167.476664] (0)[2053:indicator-bluet]Control: 10c5387d  Table: 8ddd806a  DAC: 00000015
  [ 1167.480769] (0)[2053:indicator-bluet]Process indicator-bluet (pid: 2053, stack limit = 0xd8896300)
  [ 1167.481881] (0)[2053:indicator-bluet]Stack: (0xd8897d68 to 0xd8898000)
  [ 1167.482697] (0)[2053:indicator-bluet]7d60:                   00000009 cf548400 d8897d94 d8897d80 c07ac5b8 c07a6aac
  [ 1167.483989] (0)[2053:indicator-bluet]7d80: 00000002 cc583800 d8897da4 d8897d98 c07ac690 c07ac580 d8897ddc d8897da8
  [ 1167.485279] (0)[2053:indicator-bluet]7da0: c07a2fc8 c07ac684 c74e13c4 d00bf400 d8897ddc d00bf400 d6dd6d00 d6dd6d00
  [ 1167.486570] (0)[2053:indicator-bluet]7dc0: 00000009 d6dd6808 d8897f78 d6dd6828 d8897df4 d8897de0 c07aa9dc c07a2f0c
  [ 1167.487861] (0)[2053:indicator-bluet]7de0: d6dd6cec d00bf400 d8897e14 d8897df8 c0793444 c07aa9bc d6dd6800 d6dd6ecc
  [ 1167.489151] (0)[2053:indicator-bluet]7e00: 00000008 d6dd6ca0 d8897e4c d8897e18 c078ee50 c07933a8 d8897e34 c07f9818
  [ 1167.490442] (0)[2053:indicator-bluet]7e20: d8897e4c dbdb7600 00000001 00000008 d883e0c0 00000008 d8897f78 be9d7e48
  [ 1167.491733] (0)[2053:indicator-bluet]7e40: d8897e5c d8897e50 c078f094 c078ed90 d8897e74 d8897e60 c07e270c c078f080
  [ 1167.493023] (0)[2053:indicator-bluet]7e60: dbdb7600 c0c59bb0 d8897e9c d8897e78 c07e288c c07e2688 00000000 00010302
  [ 1167.494314] (0)[2053:indicator-bluet]7e80: d883e0c0 00000008 c07e2774 d8896000 d8897f6c d8897ea0 c0147b30 c07e2780
  [ 1167.495605] (0)[2053:indicator-bluet]7ea0: d8896000 d9f1ed04 d8897ec4 d8897eb8 c07f98b0 c07f932c d8897ed4 d8897ec8
  [ 1167.496895] (0)[2053:indicator-bluet]7ec0: c09abcb8 c09abcc4 c09abcd0 00000000 00000000 00000000 00000000 00000000
  [ 1167.498186] (0)[2053:indicator-bluet]7ee0: 00000000 00000000 00000000 be9d7f2c d8897fac d8897f00 c00083d4 c07fbab0
  [ 1167.499477] (0)[2053:indicator-bluet]7f00: d8897f78 00000000 00000000 00000000 d8897f3c d883e308 00000008 df5472d0
  [ 1167.500767] (0)[2053:indicator-bluet]7f20: 00000001 00000000 d8896000 00000000 d8897f6c c01494d8 00000001 00000001
  [ 1167.502058] (0)[2053:indicator-bluet]7f40: d8897f6c 00000000 00000000 d883e0c0 be9d7e48 00000008 d8896000 00000000
  [ 1167.503349] (0)[2053:indicator-bluet]7f60: d8897fa4 d8897f70 c0147edc c01479f0 d8897fa4 00000001 00000000 00000000
  [ 1167.504639] (0)[2053:indicator-bluet]7f80: 00000000 00000000 be9d7e50 00000001 00000004 c000e6c4 00000000 d8897fa8
  [ 1167.505930] (0)[2053:indicator-bluet]7fa0: c000e460 c0147ea0 00000000 be9d7e50 00000003 be9d7e48 00000008 010b8000
  [ 1167.507221] (0)[2053:indicator-bluet]7fc0: 00000000 be9d7e50 00000001 00000004 00000002 00000000 be9d7f2c 00000000
  [ 1167.508512] (0)[2053:indicator-bluet]7fe0: 00000000 be9d7e40 b6d61509 b6d61510 80070030 00000003 9fff8821 9fff8c21
  [ 1167.509815] (0)[2053:indicator-bluet][<c07a6adc>] (l2cap_chan_destroy+0x3c/0x88) from [<c07ac5b8>] (l2cap_sock_kill+0x44/0x90)
  [ 1167.511244] (0)[2053:indicator-bluet][<c07ac5b8>] (l2cap_sock_kill+0x44/0x90) from [<c07ac690>] (l2cap_sock_close_cb+0x18/0x1c)
  [ 1167.512685] (0)[2053:indicator-bluet][<c07ac690>] (l2cap_sock_close_cb+0x18/0x1c) from [<c07a2fc8>] (l2cap_conn_del+0xc8/0x170)
  [ 1167.514124] (0)[2053:indicator-bluet][<c07a2fc8>] (l2cap_conn_del+0xc8/0x170) from [<c07aa9dc>] (l2cap_disconn_cfm+0x2c/0x34)
  [ 1167.515541] (0)[2053:indicator-bluet][<c07aa9dc>] (l2cap_disconn_cfm+0x2c/0x34) from [<c0793444>] (hci_conn_hash_flush+0xa8/0xb4)
  [ 1167.517005] (0)[2053:indicator-bluet][<c0793444>] (hci_conn_hash_flush+0xa8/0xb4) from [<c078ee50>] (hci_dev_do_close+0xcc/0x2f0)
  [ 1167.518469] (0)[2053:indicator-bluet][<c078ee50>] (hci_dev_do_close+0xcc/0x2f0) from [<c078f094>] (hci_rfkill_set_block+0x20/0x28)
  [ 1167.519942] (0)[2053:indicator-bluet][<c078f094>] (hci_rfkill_set_block+0x20/0x28) from [<c07e270c>] (rfkill_set_block+0x90/0xf8)
  [ 1167.521402] (0)[2053:indicator-bluet][<c07e270c>] (rfkill_set_block+0x90/0xf8) from [<c07e288c>] (rfkill_fop_write+0x118/0x1ac)
  [ 1167.522843] (0)[2053:indicator-bluet][<c07e288c>] (rfkill_fop_write+0x118/0x1ac) from [<c0147b30>] (vfs_write+0x14c/0x2e0)
  [ 1167.524229] (0)[2053:indicator-bluet][<c0147b30>] (vfs_write+0x14c/0x2e0) from [<c0147edc>] (sys_write+0x48/0x80)
  [ 1167.525516] (0)[2053:indicator-bluet][<c0147edc>] (sys_write+0x48/0x80) from [<c000e460>] (ret_fast_syscall+0x0/0x30)
  [ 1167.526838] (0)[2053:indicator-bluet]Code: e59f0050 e3402010 e3a03c02 e3403020 (e58c1004) 
  [ 1167.527890] (0)[2053:indicator-bluet]Kernel panic - not syncing: Fatal exception
  [ 1167.528808] (0)[2053:indicator-bluet]
  [ 1167.528813] (0)[2053:indicator-bluet] No log for WDT 
  [ 1182.468912] (0)[2053:indicator-bluet]Rebooting in 1 seconds..Reboot:machine restart...

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