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[Oren <oren_amsalem1@xxxxxxxxxxx>]

I have the same problem

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https://bugs.launchpad.net/bugs/1317552

Title:
  usb modem doesn't recognized by system until wired network connected

Status in network-manager package in Ubuntu:
  Confirmed

Bug description:
  I have an usb 3g modem huawei, configured as standalone network
  device. When I connect it, dmesg shows some error messages, but
  nothing happens. After connect and futher disconnect wired network
  (eth0), it succesful recognized by the system as eth1 device and all
  works fine. Problem is that sometimes I have no wired network to start
  usb-3g connection this way.

  Part of dmesg with connect/disconnect manipulations

  [   27.606224] init: libvirt-bin main process (979) terminated with status 127
  [   27.606239] init: libvirt-bin main process ended, respawning
  [   27.915799] r8169 0000:01:00.0 eth0: link down
  [   27.915869] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
  [   27.916229] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
  [   27.938186] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
  [   27.941688] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
  [   28.566084] usb 1-1.1: New USB device found, idVendor=0cf3, idProduct=0036
  [   28.566089] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
  [   28.775155] init: plymouth-upstart-bridge main process ended, respawning
  [   34.989561] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
  [   55.380263] usb 3-3: new high-speed USB device number 3 using xhci_hcd
  [   55.397190] usb 3-3: New USB device found, idVendor=12d1, idProduct=1f01
  [   55.397202] usb 3-3: New USB device strings: Mfr=2, Product=1, SerialNumber=0
  [   55.397207] usb 3-3: Product: HUAWEI HiLink
  [   55.397212] usb 3-3: Manufacturer: HUAWEI
  [   55.465739] usb-storage 3-3:1.0: USB Mass Storage device detected
  [   55.465795] scsi7 : usb-storage 3-3:1.0
  [   55.465865] usbcore: registered new interface driver usb-storage
  [   56.464794] scsi 7:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
  [   56.472835] sr1: scsi-1 drive
  [   56.472989] sr 7:0:0:0: Attached scsi CD-ROM sr1
  [   56.473080] sr 7:0:0:0: Attached scsi generic sg3 type 5
  [   56.558838] audit_printk_skb: 156 callbacks suppressed
  [   56.558842] type=1400 audit(1399561168.962:64): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2017 comm="apparmor_parser"
  [   56.558850] type=1400 audit(1399561168.962:65): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2017 comm="apparmor_parser"
  [   56.559369] type=1400 audit(1399561168.962:66): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2017 comm="apparmor_parser"
  [   56.638660] Buffer I/O error on device sr1, logical block 0
  [   56.638668] Buffer I/O error on device sr1, logical block 0
  [   56.638685] Buffer I/O error on device sr1, logical block 0
  [   56.638693] Buffer I/O error on device sr1, logical block 0
  [   56.638701] Buffer I/O error on device sr1, logical block 1
  [   56.638708] Buffer I/O error on device sr1, logical block 1
  [   56.638716] Buffer I/O error on device sr1, logical block 512
  [   56.640490] systemd-udevd[2001]: Failed to apply ACL on /dev/sr1: No such file or directory
  [   56.640501] systemd-udevd[2001]: Failed to apply ACL on /dev/sr1: No such file or directory
  [   56.651401] systemd-udevd[1987]: Failed to apply ACL on /dev/sr1: No such file or directory
  [   56.651427] systemd-udevd[1987]: Failed to apply ACL on /dev/sr1: No such file or directory
  [  107.810564] usb 3-3: USB disconnect, device number 3
  [  116.952712] usb 3-3: new high-speed USB device number 4 using xhci_hcd
  [  116.969698] usb 3-3: New USB device found, idVendor=12d1, idProduct=1f01
  [  116.969709] usb 3-3: New USB device strings: Mfr=2, Product=1, SerialNumber=0
  [  116.969715] usb 3-3: Product: HUAWEI HiLink
  [  116.969720] usb 3-3: Manufacturer: HUAWEI
  [  116.971391] usb-storage 3-3:1.0: USB Mass Storage device detected
  [  116.971653] scsi8 : usb-storage 3-3:1.0
  [  117.969336] scsi 8:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
  [  117.971006] sr1: scsi-1 drive
  [  117.971389] sr 8:0:0:0: Attached scsi CD-ROM sr1
  [  117.974632] sr 8:0:0:0: Attached scsi generic sg3 type 5
  [  118.063825] quiet_error: 1 callbacks suppressed
  [  118.063836] Buffer I/O error on device sr1, logical block 9
  [  118.063849] Buffer I/O error on device sr1, logical block 9
  [  118.063943] Buffer I/O error on device sr1, logical block 0
  [  118.063951] Buffer I/O error on device sr1, logical block 0
  [  118.063970] Buffer I/O error on device sr1, logical block 2
  [  118.063978] Buffer I/O error on device sr1, logical block 2
  [  118.063991] Buffer I/O error on device sr1, logical block 0
  [  118.064004] Buffer I/O error on device sr1, logical block 0
  [  118.064021] Buffer I/O error on device sr1, logical block 0
  [  118.064036] Buffer I/O error on device sr1, logical block 1
  [  118.069131] systemd-udevd[2224]: Failed to apply ACL on /dev/sr1: No such file or directory
  [  118.069143] systemd-udevd[2224]: Failed to apply ACL on /dev/sr1: No such file or directory
  [  118.073776] systemd-udevd[2224]: Failed to apply ACL on /dev/sr1: No such file or directory
  [  118.073788] systemd-udevd[2224]: Failed to apply ACL on /dev/sr1: No such file or directory
  [  185.892567] r8169 0000:01:00.0 eth0: link up
  [  185.892589] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
  [  189.653532] r8169 0000:01:00.0 eth0: link down
  [  194.156060] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
  [  214.512890] usb 3-3: USB disconnect, device number 4
  [  224.968105] usb 3-3: new high-speed USB device number 5 using xhci_hcd
  [  224.985171] usb 3-3: New USB device found, idVendor=12d1, idProduct=1f01
  [  224.985182] usb 3-3: New USB device strings: Mfr=2, Product=1, SerialNumber=0
  [  224.985188] usb 3-3: Product: HUAWEI HiLink
  [  224.985192] usb 3-3: Manufacturer: HUAWEI
  [  224.987223] usb-storage 3-3:1.0: USB Mass Storage device detected
  [  224.987477] scsi9 : usb-storage 3-3:1.0
  [  225.984189] scsi 9:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
  [  225.985842] sr1: scsi-1 drive
  [  225.986758] sr 9:0:0:0: Attached scsi CD-ROM sr1
  [  225.989684] sr 9:0:0:0: Attached scsi generic sg3 type 5
  [  226.092064] quiet_error: 4 callbacks suppressed
  [  226.092076] Buffer I/O error on device sr1, logical block 8
  [  226.092089] Buffer I/O error on device sr1, logical block 8
  [  226.092153] Buffer I/O error on device sr1, logical block 0
  [  226.092161] Buffer I/O error on device sr1, logical block 0
  [  226.092180] Buffer I/O error on device sr1, logical block 2
  [  226.092187] Buffer I/O error on device sr1, logical block 2
  [  226.092200] Buffer I/O error on device sr1, logical block 0
  [  226.092214] Buffer I/O error on device sr1, logical block 0
  [  226.092230] Buffer I/O error on device sr1, logical block 0
  [  226.092246] Buffer I/O error on device sr1, logical block 1
  [  226.095748] systemd-udevd[2501]: Failed to apply ACL on /dev/sr1: No such file or directory
  [  226.095772] systemd-udevd[2501]: Failed to apply ACL on /dev/sr1: No such file or directory
  [  226.254225] usb 3-3: USB disconnect, device number 5
  [  226.395979] systemd-udevd[2501]: Failed to apply ACL on /dev/sr1: No such file or directory
  [  226.396004] systemd-udevd[2501]: Failed to apply ACL on /dev/sr1: No such file or directory
  [  226.994443] usb 3-3: new high-speed USB device number 6 using xhci_hcd
  [  227.011625] usb 3-3: New USB device found, idVendor=12d1, idProduct=14db
  [  227.011637] usb 3-3: New USB device strings: Mfr=2, Product=1, SerialNumber=0
  [  227.011644] usb 3-3: Product: HUAWEI HiLink
  [  227.011648] usb 3-3: Manufacturer: HUAWEI
  [  227.015179] cdc_ether 3-3:1.0 eth1: register 'cdc_ether' at usb-0000:00:14.0-3, CDC Ethernet Device, 58:2c:80:13:92:63

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: network-manager 0.9.8.8-0ubuntu7
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  Date: Fri May  9 00:08:31 2014
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2014-04-27 (10 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  IpRoute:
   default via 192.168.1.1 dev eth0  proto static 
   192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.103  metric 1 
   192.168.1.0/24 dev eth1  proto kernel  scope link  src 192.168.1.100  metric 1
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  ProcEnviron:
   LANGUAGE=ru
   TERM=xterm
   PATH=(custom, no user)
   LANG=ru_RU.UTF-8
   SHELL=/bin/bash
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.NetworkManager.NetworkManager.conf: 2014-05-04T16:25:42.688173
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                                  
   eth1       802-3-ethernet    connected     /org/freedesktop/NetworkManager/Devices/2  
   wlan0      802-11-wireless   disconnected  /org/freedesktop/NetworkManager/Devices/1  
   eth0       802-3-ethernet    connected     /org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.8.8    connected       enabled       enabled         enabled    enabled         disabled

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