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[Dvanzo <danielvanzo@xxxxxxxxx>]

Just in case... using the backports, the connection drops after 2 or 3
minutos...

Regards,

Daniel

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https://bugs.launchpad.net/bugs/1002884

Title:
  8086:4222 [Dell Vostro 1500] Slow 3945abg - 12.04

Status in The Linux Kernel:
  Expired
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I was suffering slow wifi transfers with my Vostro 1500 (Intel
  3945abg). 10.04 was ok, but since then, no matter what, the speed has
  been awful. Recently upgraded to 12.04, but no-luck. Transfers between
  40KBs and 70KBs... Wireless via another client transfers at 600 KBs.
  Wired connections to the same router allow me to connect up to
  320KBs.... You can see previous info at bug #621265

  WORKAROUND: ndiswrapper works better: 158 KB (1.27 Mbps).
  Driver: http://www.dell.com/support/drivers/us/en/19/DriverDetails?driverId=M1PPT

  dmesg|grep 3945
  [   15.120687] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s
  [   15.120691] iwl3945: Copyright(c) 2003-2011 Intel Corporation
  [   15.120764] iwl3945 0000:0c:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
  [   15.120781] iwl3945 0000:0c:00.0: setting latency timer to 64
  [   15.205631] iwl3945 0000:0c:00.0: Tunable channels: 11 802.11bg, 13 802.11a channels
  [   15.205637] iwl3945 0000:0c:00.0: Detected Intel Wireless WiFi Link 3945ABG
  [   15.205798] iwl3945 0000:0c:00.0: irq 44 for MSI/MSI-X
  [   15.290958] ieee80211 phy0: Selected rate control algorithm 'iwl-3945-rs'
  [   15.817051] iwl3945 0000:0c:00.0: loaded firmware version 15.32.2.9

  iwconfig
  lo        no wireless extensions.

  wlan0     IEEE 802.11abg  ESSID:"WiFiCasa"
            Mode:Managed  Frequency:2.412 GHz  Access Point: 00:22:33:FC:6A:50
            Bit Rate=2 Mb/s   Tx-Power=15 dBm
            Retry  long limit:7   RTS thr:off   Fragment thr:off
            Power Management:off
            Link Quality=50/70  Signal level=-60 dBm
            Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
            Tx excessive retries:0  Invalid misc:37421   Missed beacon:0

  lsmod|grep iwl3945
  iwl3945                73152  0
  iwl_legacy             71134  1 iwl3945
  mac80211              436455  2 iwl3945,iwl_legacy
  cfg80211              178679  3 iwl3945,iwl_legacy,mac80211

  ---
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dvanzo     2020 F.... pulseaudio
  DistroRelease: Ubuntu 13.10
  HibernationDevice: RESUME=UUID=d1501098-2605-4807-a125-f3e21ca0936a
  InstallationDate: Installed on 2013-10-18 (31 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: Dell Inc. Vostro 1500
  MarkForUpload: True
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:

  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=19a4f3f6-b8be-4ad6-9128-cd758dfb3956 ro quiet splash
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware                             1.116
  Tags:  saucy
  Uname: Linux 3.11.0-12-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 04/21/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0WY040
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd04/21/2008:svnDellInc.:pnVostro1500:pvr:rvnDellInc.:rn0WY040:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Vostro 1500
  dmi.sys.vendor: Dell Inc.

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