Public bug reported:
Hello.
I have a Thinkpad X200 with Intel 5300 wifi card.
03:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300
Subsystem: Intel Corporation Device 1011
Physical Slot: 1
Flags: bus master, fast devsel, latency 0, IRQ 48
Memory at f2a00000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [e0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 00-21-6a-ff-ff-03-8c-26
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
After upgrading to 3.2.0-35 from 3.2.0-34 I have problems connecting to
my D-link DIR-855 on 5GHz. After rebooting the computer, I frequently
have to reboot my router in order to connect. Reloading (rmmod/modprobe)
iwlwifi doesn't help. I tried several times back and forth between
3.2.0-35 and 3.2.0-34 and with 3.2.0-34 I can always connect without
rebooting the router, but with -35 I have yet to be able to connect
directly after boot without rebooting the router. I can disconnect the
wifi (bring my computer with me in suspended mode, be somewhere else and
use it, and then bring it back home) and it can successfully connect.
It's just the initial connect after boot that is affected.
When it's trying to connect with -35 I get the following:
Jan 5 06:51:33 swm-laptop kernel: [ 19.458855] cfg80211: Found new beacon on
frequency: 5240 MHz (Ch 48) on phy0
Jan 5 06:51:38 swm-laptop kernel: [ 24.955771] wlan0: direct probe to
00:21:91:dc:94:57 (try 1/3)
Jan 5 06:51:38 swm-laptop kernel: [ 25.152031] wlan0: direct probe to
00:21:91:dc:94:57 (try 2/3)
Jan 5 06:51:39 swm-laptop kernel: [ 25.352043] wlan0: direct probe to
00:21:91:dc:94:57 (try 3/3)
Jan 5 06:51:39 swm-laptop kernel: [ 25.552027] wlan0: direct probe to
00:21:91:dc:94:57 timed out
Jan 5 06:51:47 swm-laptop kernel: [ 33.759793] wlan0: direct probe to
00:21:91:dc:94:57 (try 1/3)
Jan 5 06:51:47 swm-laptop kernel: [ 33.956034] wlan0: direct probe to
00:21:91:dc:94:57 (try 2/3)
Jan 5 06:51:47 swm-laptop kernel: [ 34.156044] wlan0: direct probe to
00:21:91:dc:94:57 (try 3/3)
Jan 5 06:51:48 swm-laptop kernel: [ 34.356035] wlan0: direct probe to
00:21:91:dc:94:57 timed out
After rebooting the router and rebooting with -35 again, I get the
following:
Jan 5 06:53:48 swm-laptop kernel: [ 19.491134] cfg80211: Found new beacon on
frequency: 5200 MHz (Ch 40) on phy0
Jan 5 06:53:54 swm-laptop kernel: [ 25.334809] wlan0: authenticate with
00:21:91:dc:94:57 (try 1)
Jan 5 06:53:54 swm-laptop kernel: [ 25.532032] wlan0: authenticate with
00:21:91:dc:94:57 (try 2)
Jan 5 06:53:54 swm-laptop kernel: [ 25.533294] wlan0: authenticated
Jan 5 06:53:54 swm-laptop kernel: [ 25.539144] wlan0: associate with
00:21:91:dc:94:57 (try 1)
Jan 5 06:53:54 swm-laptop kernel: [ 25.736038] wlan0: associate with
00:21:91:dc:94:57 (try 2)
Jan 5 06:53:54 swm-laptop kernel: [ 25.737848] wlan0: RX AssocResp from
00:21:91:dc:94:57 (capab=0x111 status=0 aid=3)
Jan 5 06:53:54 swm-laptop kernel: [ 25.737851] wlan0: associated
Jan 5 06:53:54 swm-laptop kernel: [ 25.744338] ADDRCONF(NETDEV_CHANGE):
wlan0: link becomes ready
Jan 5 06:53:54 swm-laptop kernel: [ 25.744413] cfg80211: Calling CRDA for
country: GB
Jan 5 06:53:54 swm-laptop kernel: [ 25.750032] cfg80211: Updating
information on frequency 2412 MHz for a 20 MHz width chan
nel with regulatory rule:
Jan 5 06:53:54 swm-laptop kernel: [ 25.750036] cfg80211: 2402000 KHz -
2482000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
... snip
Jan 5 06:53:54 swm-laptop kernel: [ 25.750206] cfg80211: (start_freq -
end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Jan 5 06:53:54 swm-laptop kernel: [ 25.750209] cfg80211: (2402000 KHz -
2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Jan 5 06:53:54 swm-laptop kernel: [ 25.750211] cfg80211: (5170000 KHz -
5250000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Jan 5 06:53:54 swm-laptop kernel: [ 25.750214] cfg80211: (5250000 KHz -
5330000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Jan 5 06:53:54 swm-laptop kernel: [ 25.750216] cfg80211: (5490000 KHz -
5710000 KHz @ 40000 KHz), (N/A, 2700 mBm)
Jan 5 06:53:54 swm-laptop kernel: [ 25.840049] cfg80211: Found new beacon on
frequency: 5200 MHz (Ch 40) on phy0
Jan 5 06:54:03 swm-laptop kernel: [ 34.794517] iwlwifi 0000:03:00.0: Tx
aggregation enabled on ra = 00:21:91:dc:94:57 tid = 0
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1096294
Title:
Wifi regressioin in linux-image-3.2.0-35-generic-pae
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