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[Daniel Griswold <1480700@xxxxxxxxxxxxxxxxxx>]

I am not seeing the wlan failure under 4.2-rc7.  However, I am now
experiencing complete lockups of the system (2-3 seconds in duration)
followed by a hardware reset.  /var/log/messages doesn't show anything
preceding the kernel start on reboot.

I did not see the lockup issue with v4.0-vivid, (but wlan was still
broken)

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https://bugs.launchpad.net/bugs/1480700

Title:
  iwl3945 on D830 crashes with Error sending C_POWER_TBL: time out after
  500ms

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Aug  2 12:51:07 9ZS43H1-D830 kernel: [ 2766.320068] iwl3945 0000:0c:00.0: Error sending C_POWER_TBL: time out after 500ms.
  Aug  2 12:51:07 9ZS43H1-D830 kernel: [ 2766.320082] iwl3945 0000:0c:00.0: set power fail, ret = -110
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2766.804087] iwl3945 0000:0c:00.0: Queue 2 stuck for 2500 ms.
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2766.804116] iwl3945 0000:0c:00.0: On demand firmware reload
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2766.840477] ieee80211 phy0: Hardware restart was requested
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2766.888754] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2766.888759] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2766.935473] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2766.935476] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2766.982205] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2766.982208] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.028927] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.028930] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.075644] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.075647] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111689] iwl3945 0000:0c:00.0: Unable to initialize device after 5 attempts.
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111691] ------------[ cut here ]------------
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111722] WARNING: CPU: 0 PID: 22662 at /home/kernel/COD/linux/net/mac80211/util.c:1800 ieee80211_reconfig+0x616/0x1610 [mac80211]()
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111723] Hardware became unavailable during restart.
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111725] Modules linked in: ctr ccm arc4 coretemp dell_rbtn iwl3945 snd_hda_codec_hdmi iwlegacy snd_hda_codec_idt snd_hda_codec_generic snd_hda_intel mac80211 gpio_ich dell_laptop dcdbas dell_wmi sparse_keymap dell_smm_hwmon kvm snd_hda_codec pcmcia snd_hda_core snd_hwdep yenta_socket snd_pcm joydev input_leds serio_raw snd_seq_midi pcmcia_rsrc snd_seq_midi_event snd_rawmidi lpc_ich pcmcia_core cfg80211 snd_seq snd_seq_device snd_timer snd soundcore mac_hid shpchp 8250_fintek parport_pc ppdev sunrpc lp parport autofs4 drbg ansi_cprng xts gf128mul dm_crypt hid_generic usbhid hid psmouse firewire_ohci nouveau firewire_core crc_itu_t ahci mxm_wmi libahci i2c_algo_bit pata_acpi ttm drm_kms_helper tg3 video ptp drm pps_core wmi
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111785] CPU: 0 PID: 22662 Comm: kworker/0:1 Not tainted 4.2.0-040200rc4-generic #201507271733
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111787] Hardware name: Dell Inc. Latitude D830                   /0HN338, BIOS A10 02/28/2008
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111798] Workqueue: events ieee80211_restart_work [mac80211]
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111801]  ffffffffc067a9d0 ffff880035c8fca8 ffffffff8179fe21 0000000000000000
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111804]  ffff880035c8fcf8 ffff880035c8fce8 ffffffff81075aca ffff880035c8fd18
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111808]  ffff8800b9630ec0 00000000fffffffb ffff8800b96306a0 ffff8800bfa1a700
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111811] Call Trace:
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111817]  [<ffffffff8179fe21>] dump_stack+0x45/0x57
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111822]  [<ffffffff81075aca>] warn_slowpath_common+0x8a/0xc0
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111824]  [<ffffffff81075b46>] warn_slowpath_fmt+0x46/0x50
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111840]  [<ffffffffc06371c6>] ieee80211_reconfig+0x616/0x1610 [mac80211]
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111845]  [<ffffffff810dcf1f>] ? try_to_del_timer_sync+0x4f/0x70
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111856]  [<ffffffffc06041cf>] ieee80211_restart_work+0x6f/0xb0 [mac80211]
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111859]  [<ffffffff8108dade>] process_one_work+0x14e/0x3d0
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111862]  [<ffffffff8108e18a>] worker_thread+0x11a/0x470
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111865]  [<ffffffff8108e070>] ? rescuer_thread+0x310/0x310
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111868]  [<ffffffff81093629>] kthread+0xc9/0xe0
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111870]  [<ffffffff81093560>] ? kthread_create_on_node+0x180/0x180
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111874]  [<ffffffff817a765f>] ret_from_fork+0x3f/0x70
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111876]  [<ffffffff81093560>] ? kthread_create_on_node+0x180/0x180
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111878] ---[ end trace ea1b9b1f1bd50d85 ]---
  Aug  2 12:51:08 9ZS43H1-D830 kernel: [ 2767.111892] wlan0: deauthenticating from 00:14:d1:e6:80:28 by local choice (Reason: 3=DEAUTH_LEAVING)

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-26-generic 3.19.0-26.27
  ProcVersionSignature: Ubuntu 3.19.0-26.27-generic 3.19.8-ckt4
  Uname: Linux 3.19.0-26-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dgriswold   2626 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Sun Aug  2 13:08:48 2015
  HibernationDevice: RESUME=UUID=1e02ead1-b59d-4a55-86f8-f48f1e4de757
  InstallationDate: Installed on 2014-09-16 (320 days ago)
  InstallationMedia: This
  MachineType: Dell Inc. Latitude D830
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-26-generic root=/dev/mapper/this--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-26-generic N/A
   linux-backports-modules-3.19.0-26-generic  N/A
   linux-firmware                             1.143.2
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/28/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0HN338
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd02/28/2008:svnDellInc.:pnLatitudeD830:pvr:rvnDellInc.:rn0HN338:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Latitude D830
  dmi.sys.vendor: Dell Inc.

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