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[liminal <1349015@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

dmesg

[12852.415901] CPU: 2 PID: 783 Comm: ModemManager Tainted: G        W    3.13.0-24-generic #47~precise2-Ubuntu
[12852.415992] Hardware name: eMachines eME732/HM55_CP, BIOS V1.01 08/13/2010
[12852.416058] task: f53ab3c0 ti: ebaa6000 task.ti: ebaa6000
[12852.416112] EIP: 0060:[<f881567e>] EFLAGS: 00010283 CPU: 2
[12852.416168] EIP is at usb_wwan_write+0x10e/0x2c0 [usb_wwan]
[12852.416222] EAX: 00000001 EBX: e3c45240 ECX: 00000001 EDX: f2708000
[12852.416283] ESI: 00000000 EDI: 00000000 EBP: ebaa7e9c ESP: ebaa7e50
[12852.416343]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[12852.416396] CR0: 80050033 CR2: 00000040 CR3: 2ba46000 CR4: 000007f0
[12852.416455] Stack:
[12852.416477]  ebcd1be8 ebaa7ea8 c13e26a0 00000078 ebaa7e64 00000000 00000001 00001c04
[12852.416631]  ebec6db8 e3c45288 ebec6c00 e3c45280 f2708000 f3ad2df0 00000001 00000001
[12852.416780]  f8882000 f1f3c600 00000007 ebaa7ed4 f856b751 00000001 00000296 c13e2bde
[12852.416930] Call Trace:
[12852.416983]  [<c13e26a0>] ? tty_mode_ioctl+0xa0/0x510
[12852.417071]  [<f856b751>] serial_write+0x51/0xd0 [usbserial]
[12852.417159]  [<c13e2bde>] ? n_tty_ioctl_helper+0x2e/0x70
[12852.417245]  [<c13dec13>] n_tty_write+0x143/0x340
[12852.417325]  [<c1087930>] ? try_to_wake_up+0x1a0/0x1a0
[12852.417409]  [<c13dbd11>] tty_write+0x101/0x210
[12852.417480]  [<c13dead0>] ? process_echoes+0x70/0x70
[12852.417558]  [<c13dbc10>] ? tty_write_lock+0x50/0x50
[12852.417639]  [<c1181c9d>] vfs_write+0x9d/0x1e0
[12852.417710]  [<c10b738b>] ? ktime_get_ts+0x4b/0x120
[12852.417787]  [<c1182167>] SyS_write+0x57/0xa0
[12852.417862]  [<c168d3cd>] sysenter_do_call+0x12/0x28
[12852.417936] Code: 02 8b 40 08 e8 94 2e cb c8 85 c0 0f 88 fc 00 00 00 81 7c 24 3c 00 10 00 00 b8 00 10 00 00 0f 4e 44 24 3c 8b 54 24 30 89 44 24 38 <8b> 47 40 8b 4c 24 38 e8 c6 73 af c8 8b 54 24 38 8b 44 24 34 89
[12852.418518] EIP: [<f881567e>] usb_wwan_write+0x10e/0x2c0 [usb_wwan] SS:ESP 0068:ebaa7e50
[12852.418651] CR2: 0000000000000040
[12852.438142] ---[ end trace 930c0f6428b9e4a5 ]---
[12856.711325] ISO 9660 Extensions: Microsoft Joliet Level 1
[12856.712596] ISOFS: changing to secondary root
[12868.212757] systemd-hostnamed[7469]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
[14286.575679] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[14286.575793] option 2-1.2:1.0: device disconnected
[14286.578010] option1 ttyUSB1: option_instat_callback: error -108
[17268.800803] usb 2-1.2: USB disconnect, device number 6

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New

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Touch seeded packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1349015

Title:
  HUAWEI E5776 not detected

Status in “network-manager” package in Ubuntu:
  New

Bug description:
  dmesg

  [12852.415901] CPU: 2 PID: 783 Comm: ModemManager Tainted: G        W    3.13.0-24-generic #47~precise2-Ubuntu
  [12852.415992] Hardware name: eMachines eME732/HM55_CP, BIOS V1.01 08/13/2010
  [12852.416058] task: f53ab3c0 ti: ebaa6000 task.ti: ebaa6000
  [12852.416112] EIP: 0060:[<f881567e>] EFLAGS: 00010283 CPU: 2
  [12852.416168] EIP is at usb_wwan_write+0x10e/0x2c0 [usb_wwan]
  [12852.416222] EAX: 00000001 EBX: e3c45240 ECX: 00000001 EDX: f2708000
  [12852.416283] ESI: 00000000 EDI: 00000000 EBP: ebaa7e9c ESP: ebaa7e50
  [12852.416343]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
  [12852.416396] CR0: 80050033 CR2: 00000040 CR3: 2ba46000 CR4: 000007f0
  [12852.416455] Stack:
  [12852.416477]  ebcd1be8 ebaa7ea8 c13e26a0 00000078 ebaa7e64 00000000 00000001 00001c04
  [12852.416631]  ebec6db8 e3c45288 ebec6c00 e3c45280 f2708000 f3ad2df0 00000001 00000001
  [12852.416780]  f8882000 f1f3c600 00000007 ebaa7ed4 f856b751 00000001 00000296 c13e2bde
  [12852.416930] Call Trace:
  [12852.416983]  [<c13e26a0>] ? tty_mode_ioctl+0xa0/0x510
  [12852.417071]  [<f856b751>] serial_write+0x51/0xd0 [usbserial]
  [12852.417159]  [<c13e2bde>] ? n_tty_ioctl_helper+0x2e/0x70
  [12852.417245]  [<c13dec13>] n_tty_write+0x143/0x340
  [12852.417325]  [<c1087930>] ? try_to_wake_up+0x1a0/0x1a0
  [12852.417409]  [<c13dbd11>] tty_write+0x101/0x210
  [12852.417480]  [<c13dead0>] ? process_echoes+0x70/0x70
  [12852.417558]  [<c13dbc10>] ? tty_write_lock+0x50/0x50
  [12852.417639]  [<c1181c9d>] vfs_write+0x9d/0x1e0
  [12852.417710]  [<c10b738b>] ? ktime_get_ts+0x4b/0x120
  [12852.417787]  [<c1182167>] SyS_write+0x57/0xa0
  [12852.417862]  [<c168d3cd>] sysenter_do_call+0x12/0x28
  [12852.417936] Code: 02 8b 40 08 e8 94 2e cb c8 85 c0 0f 88 fc 00 00 00 81 7c 24 3c 00 10 00 00 b8 00 10 00 00 0f 4e 44 24 3c 8b 54 24 30 89 44 24 38 <8b> 47 40 8b 4c 24 38 e8 c6 73 af c8 8b 54 24 38 8b 44 24 34 89
  [12852.418518] EIP: [<f881567e>] usb_wwan_write+0x10e/0x2c0 [usb_wwan] SS:ESP 0068:ebaa7e50
  [12852.418651] CR2: 0000000000000040
  [12852.438142] ---[ end trace 930c0f6428b9e4a5 ]---
  [12856.711325] ISO 9660 Extensions: Microsoft Joliet Level 1
  [12856.712596] ISOFS: changing to secondary root
  [12868.212757] systemd-hostnamed[7469]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
  [14286.575679] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
  [14286.575793] option 2-1.2:1.0: device disconnected
  [14286.578010] option1 ttyUSB1: option_instat_callback: error -108
  [17268.800803] usb 2-1.2: USB disconnect, device number 6

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