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[Daniel Griswold <1461738@xxxxxxxxxxxxxxxxxx>]

I have a Dell Latitude D830 that is getting the same error, followed by
a stack trace.

I'm running a mainline kernel
Linux foo.bar 4.0.0-040000-generic #201504121935 SMP Sun Apr 12 23:36:33 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux


Jul 30 18:46:28 9ZS43H1-D830 kernel: [ 4532.300047] iwl3945 0000:0c:00.0: Error sending C_POWER_TBL: time out after 500ms.
Jul 30 18:46:28 9ZS43H1-D830 kernel: [ 4532.300061] iwl3945 0000:0c:00.0: set power fail, ret = -110
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4532.812046] iwl3945 0000:0c:00.0: Queue 2 stuck for 2004 ms.
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4532.812067] iwl3945 0000:0c:00.0: On demand firmware reload
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4532.847938] ieee80211 phy0: Hardware restart was requested
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4532.895831] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4532.895836] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4532.942555] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4532.942557] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4532.989268] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4532.989271] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.035980] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.035983] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.082702] iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.082704] iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120543] iwl3945 0000:0c:00.0: Unable to initialize device after 5 attempts.
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120551] ------------[ cut here ]------------
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120591] WARNING: CPU: 1 PID: 24712 at /home/kernel/COD/linux/net/mac80211/util.c:1780 ieee80211_reconfig+0x72f/0x1c40 [mac80211]()
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120593] Hardware became unavailable during restart.
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120595] Modules linked in: ctr ccm snd_hda_codec_idt snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec arc4 snd_hwdep snd_pcm iwl3945 iwlegacy dell_laptop dcdbas gpio_ich dell_wmi sparse_keymap coretemp snd_seq_midi snd_seq_midi_event i8k mac80211 pcmcia kvm cfg80211 snd_rawmidi yenta_socket snd_seq joydev snd_seq_device pcmcia_rsrc pcmcia_core serio_raw snd_timer lpc_ich snd mac_hid soundcore shpchp 8250_fintek parport_pc ppdev lp sunrpc parport autofs4 xts gf128mul dm_crypt hid_generic usbhid hid psmouse ahci libahci firewire_ohci nouveau firewire_core crc_itu_t pata_acpi tg3 mxm_wmi ptp i2c_algo_bit pps_core wmi ttm drm_kms_helper drm video
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120653] CPU: 1 PID: 24712 Comm: kworker/1:5 Not tainted 4.0.0-040000-generic #201504121935
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120655] Hardware name: Dell Inc. Latitude D830                   /0HN338, BIOS A10 02/28/2008
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120668] Workqueue: events ieee80211_restart_work [mac80211]
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120671]  00000000000006f4 ffff8800227d3c98 ffffffff817e34b1 0000000000000007
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120674]  ffff8800227d3ce8 ffff8800227d3cd8 ffffffff810791b7 ffff8800227d3cc8
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120677]  ffff8800b65106a0 00000000fffffffb ffff8800bfb14940 ffff8800bfb19200
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120681] Call Trace:
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120689]  [<ffffffff817e34b1>] dump_stack+0x45/0x57
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120695]  [<ffffffff810791b7>] warn_slowpath_common+0x97/0xe0
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120698]  [<ffffffff810792b6>] warn_slowpath_fmt+0x46/0x50
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120717]  [<ffffffffc0755bdf>] ieee80211_reconfig+0x72f/0x1c40 [mac80211]
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120721]  [<ffffffff817edab6>] ? mutex_lock+0x16/0x37
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120736]  [<ffffffffc072dc68>] ? ieee80211_scan_cancel+0xc8/0x1f0 [mac80211]
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120749]  [<ffffffffc07223bc>] ieee80211_restart_work+0x4c/0x80 [mac80211]
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120752]  [<ffffffff810920d4>] process_one_work+0x144/0x490
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120755]  [<ffffffff81092b3e>] worker_thread+0x11e/0x450
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120758]  [<ffffffff81092a20>] ? create_worker+0x1f0/0x1f0
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120762]  [<ffffffff81098869>] kthread+0xc9/0xe0
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120765]  [<ffffffff810987a0>] ? flush_kthread_worker+0x90/0x90
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120769]  [<ffffffff817efc18>] ret_from_fork+0x58/0x90
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120772]  [<ffffffff810987a0>] ? flush_kthread_worker+0x90/0x90
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120774] ---[ end trace 11703f27d0a752c0 ]---
Jul 30 18:46:29 9ZS43H1-D830 kernel: [ 4533.120792] wlan0: deauthenticating from 00:14:d1:e6:80:28 by local choice (Reason: 3=DEAUTH_LEAVING)


** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1461738

Title:
  iwl3945 on X61T crashes with Error sending C_POWER_TBL: time out after
  500ms

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  After using wireless for some period of time, it stops working. dmesg
  report is attached. Rebooting the machine makes the wireless driver
  work again (for a little bit anyway). I haven't checked if it's
  related to suspend/resume, but I use this a lot. I can try bisecting
  for a kernel which doesn't have this problem, although between when I
  started having problems, I upgraded to Vivid (which didn't fix the
  problem.)

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-18-generic 3.19.0-18.18
  ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
  Uname: Linux 3.19.0-18-generic x86_64
  NonfreeKernelModules: openafs
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC0D0p:   ezyang     3167 F...m pulseaudio
   /dev/snd/controlC0:  ezyang     3167 F.... pulseaudio
  Date: Wed Jun  3 20:09:04 2015
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=/dev/mapper/sabre-swap
  InstallationDate: Installed on 2013-11-21 (560 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 7762K3U
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-18-generic root=/dev/mapper/hostname-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-18-generic N/A
   linux-backports-modules-3.19.0-18-generic  N/A
   linux-firmware                             1.143.1
  SourcePackage: linux
  UpgradeStatus: Upgraded to vivid on 2015-05-29 (6 days ago)
  dmi.bios.date: 02/21/2008
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7SET25WW (1.11 )
  dmi.board.name: 7762K3U
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr7SET25WW(1.11):bd02/21/2008:svnLENOVO:pn7762K3U:pvrThinkPadX61Tablet:rvnLENOVO:rn7762K3U:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 7762K3U
  dmi.product.version: ThinkPad X61 Tablet
  dmi.sys.vendor: LENOVO

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