I do encounter the same problem here with xubuntu 15.04 on my Dell
Latitude 430 quite frequently.
Looking at my syslog messages, this situation always seems to start with the
following output:
Jun 6 20:35:39 smithers kernel: [ 4126.496072] iwl3945 0000:0c:00.0: Error
sending C_POWER_TBL: time out after 500ms.
Jun 6 20:35:39 smithers kernel: [ 4126.496086] iwl3945 0000:0c:00.0: set power
fail, ret = -110
Jun 6 20:35:41 smithers kernel: [ 4128.472071] iwl3945 0000:0c:00.0: Queue 4
stuck for 2500 ms.
Jun 6 20:35:41 smithers kernel: [ 4128.472082] iwl3945 0000:0c:00.0: On demand
firmware reload
Jun 6 20:35:41 smithers kernel: [ 4128.508118] ieee80211 phy0: Hardware
restart was requested
Jun 6 20:35:41 smithers kernel: [ 4128.560704] iwl3945 0000:0c:00.0: BSM uCode
verification failed at addr 0x00003800+0 (of 900), is 0xa5a5a5a2, s/b 0xf802020
Jun 6 20:35:41 smithers kernel: [ 4128.560715] iwl3945 0000:0c:00.0: Unable to
set up bootstrap uCode: -5
[ the last two lines are repeated 5 times ]
Jun 6 20:35:41 smithers kernel: [ 4128.786187] iwl3945 0000:0c:00.0: Unable to
initialize device after 5 attempts.
Jun 6 20:35:41 smithers kernel: [ 4128.786198] ------------[ cut here
]------------
Jun 6 20:35:41 smithers kernel: [ 4128.786267] WARNING: CPU: 0 PID: 2505 at
/build/buildd/linux-3.19.0/net/mac80211/util.c:1774
ieee80211_reconfig+0x47d/0x1480 [mac80211]()
Jun 6 20:35:41 smithers kernel: [ 4128.786271] Hardware became unavailable
during restart.
Jun 6 20:35:41 smithers kernel: [ 4128.786275] Modules linked in: [ removed to
shorten post ]
Jun 6 20:35:41 smithers kernel: [ 4128.786389] CPU: 0 PID: 2505 Comm:
kworker/0:0 Not tainted 3.19.0-18-generic #18-Ubuntu
Jun 6 20:35:41 smithers kernel: [ 4128.786393] Hardware name: Dell Inc.
Latitude D430 /0XW631, BIOS A00 05/21/2007
Jun 6 20:35:41 smithers kernel: [ 4128.786419] Workqueue: events
ieee80211_restart_work [mac80211]
[ register dump removed to shorten post ]
Jun 6 20:35:41 smithers kernel: [ 4128.786457] Call Trace:
[ call trace removed to shorten post]
[ A really large number of such dumps follows ]
Jun 6 20:35:42 smithers kernel: [ 4128.803212] ---[ end trace eb90e628c7fb6207
]---
Jun 6 20:35:42 smithers kernel: [ 4128.804736] cfg80211: Calling CRDA to
update world regulatory domain
Jun 6 20:35:44 smithers kernel: [ 4131.825741] cfg80211: World regulatory
domain updated:
Jun 6 20:35:44 smithers kernel: [ 4131.825748] cfg80211: DFS Master region:
unset
Jun 6 20:35:44 smithers kernel: [ 4131.825753] cfg80211: (start_freq -
end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Jun 6 20:35:44 smithers kernel: [ 4131.825759] cfg80211: (2402000 KHz -
2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Jun 6 20:35:44 smithers kernel: [ 4131.825764] cfg80211: (2457000 KHz -
2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Jun 6 20:35:44 smithers kernel: [ 4131.825769] cfg80211: (2474000 KHz -
2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
Jun 6 20:35:44 smithers kernel: [ 4131.825774] cfg80211: (5170000 KHz -
5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Jun 6 20:35:44 smithers kernel: [ 4131.825778] cfg80211: (5735000 KHz -
5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
Jun 6 20:35:45 smithers dhclient: receive_packet failed on wlan0: Network is
down
Jun 6 20:31:40 smithers wpa_supplicant[1041]: message repeated 7 times: [
wlan0: WPA: Group rekeying completed with 64:7c:34:a6:33:e8 [GTK=TKIP]]
Jun 6 20:35:45 smithers wpa_supplicant[1041]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=64:7c:34:a6:33:e8 reason=3 locally_generated=1
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1408963
Title:
[Xbuntu 14.04, 14.10 and 15.04] Network manager stops working: iwl3945
0000:03:00.0: BSM uCode verification failed at addr ...; wlan0:
deauthenticating from... by local choice (Reason: 3=DEAUTH_LEAVING),
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1408963/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
