Similar problem in connection with suspend / resume that causes this
card/driver not to function at all.
My ubuntu 11.10 64bit, 3.0.0-16 kernel on Dell XPS L502x has strange
problem with integrated Intel Wireless card (Intel(R) Centrino(R)
Wireless-N 1030 BGN, REV=0xB0) or iwlagn drivers. After suspend and
resume network does not work on some routers. It works with old Fonera
(serving b/g) but not with TP-Link TL-MR3420 (serving b/g/n or even b/g
only with n disabled).
Trying to solve the iwlagn problem:
* rmmod / modprobe does not help
* reboot does not help
* syslog displays that I get IP address but then starts displaying errors
Aggregation not enabled for tid 0 because load = ... see below; (these errors
are not always displayed with this error condition, but never, when wifi works)
NB! Only thing that helps is booting to Windows (lucky me - kept the
partition), using network, and booting back to Ubuntu.
Mar 13 19:40:32 xenops avahi-daemon[1053]: New relevant interface wlan0.IPv4
for mDNS.
Mar 13 19:40:32 xenops avahi-daemon[1053]: Registering new address record for
192.168.1.109 on wlan0.IPv4.
Mar 13 19:40:33 xenops NetworkManager[1046]: <info> (wlan0): device state
change: ip config -> activated (reason 'none') [70 100 0]
Mar 13 19:40:33 xenops NetworkManager[1046]: <info> Policy set 'Auto ADOJAANW'
(wlan0) as default for IPv4 routing and DNS.
Mar 13 19:40:33 xenops NetworkManager[1046]: <info> Activation (wlan0)
successful, device activated.
Mar 13 19:40:33 xenops NetworkManager[1046]: <info> Activation (wlan0) Stage 5
of 5 (IP Configure Commit) complete.
Mar 13 19:40:33 xenops NetworkManager[1046]: <info> Activation (wlan0) Stage 4
of 5 (IP4 Configure Get) complete.
Mar 13 19:40:33 xenops dbus[1016]: [system] Activating service
name='org.freedesktop.nm_dispatcher' (using servicehelper)
Mar 13 19:40:33 xenops dbus[1016]: [system] Successfully activated service
'org.freedesktop.nm_dispatcher'
Mar 13 19:40:38 xenops kernel: [135455.414902] iwlagn 0000:03:00.0: Aggregation
not enabled for tid 0 because load = 6
Mar 13 19:40:40 xenops kernel: [135457.328053] wlan0: no IPv6 routers present
Mar 13 19:40:48 xenops kernel: [135464.874894] iwlagn 0000:03:00.0: Aggregation
not enabled for tid 0 because load = 3
Mar 13 19:40:51 xenops kernel: [135468.396103] iwlagn 0000:03:00.0:
iwlagn_tx_agg_start on ra = b0:48:7a:e9:6a:8a tid = 0
Mar 13 19:40:55 xenops kernel: [135472.248823] iwlagn 0000:03:00.0: Aggregation
not enabled for tid 0 because load = 5
Mar 13 19:40:59 xenops kernel: [135475.904076] iwlagn 0000:03:00.0:
iwlagn_tx_agg_start on ra = b0:48:7a:e9:6a:8a tid = 0
Mar 13 19:41:03 xenops kernel: [135479.908297] iwlagn 0000:03:00.0:
iwlagn_tx_agg_start on ra = b0:48:7a:e9:6a:8a tid = 0
└─(kristjan@xenops)%── dmesg |grep iwlagn
──(Tue,13.03 22:17)─┘
[ 15.125120] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux,
in-tree:
[ 15.125122] iwlagn: Copyright(c) 2003-2011 Intel Corporation
[ 15.125210] iwlagn 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[ 15.125248] iwlagn 0000:03:00.0: setting latency timer to 64
[ 15.125315] iwlagn 0000:03:00.0: Detected Intel(R) Centrino(R) Wireless-N
1030 BGN, REV=0xB0
[ 15.141030] iwlagn 0000:03:00.0: device EEPROM VER=0x71a, CALIB=0x6
[ 15.141033] iwlagn 0000:03:00.0: Device SKU: 0X9
[ 15.141034] iwlagn 0000:03:00.0: Valid Tx ant: 0X1, Valid Rx ant: 0X3
[ 15.141077] iwlagn 0000:03:00.0: Tunable channels: 13 802.11bg, 0 802.11a
channels
[ 15.141222] iwlagn 0000:03:00.0: irq 52 for MSI/MSI-X
[ 15.173864] iwlagn 0000:03:00.0: loaded firmware version 17.168.5.1 build
33993
[ 29.209979] iwlagn 0000:03:00.0: Aggregation not enabled for tid 0 because
load = 4
[ 34.827981] iwlagn 0000:03:00.0: Aggregation not enabled for tid 0 because
load = 9
[ 38.828980] iwlagn 0000:03:00.0: iwlagn_tx_agg_start on ra =
b0:48:7a:e9:6a:8a tid = 0
wlan0 IEEE 802.11bgn ESSID:"adojaan"
Mode:Managed Frequency:2.447 GHz Access Point: 00:12:17:C7:A9:89
Bit Rate=54 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-39 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:1623 Missed beacon:0
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https://bugs.launchpad.net/bugs/821034
Title:
iwlagn module does not enable the n channel with Intel Centrino
Wireless-N 1030
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