Public bug reported:
Binary package hint: linux-backports-modules-2.6.24-16-generic
My rt2500 card has massive problems staying connected to my AP:
May 2 09:02:12 knarzkiste kernel: [35107.239743] wlan0: RX deauthentication
from 00:13:10:27:e0:e7 (reason=7)
May 2 09:02:12 knarzkiste kernel: [35107.239748] wlan0: deauthenticated
May 2 09:02:12 knarzkiste kernel: [35107.241105] wlan0: RX deauthentication
from 00:13:10:27:e0:e7 (reason=7)
May 2 09:02:13 knarzkiste kernel: [35107.740644] wlan0: authenticate with AP
00:13:10:27:e0:e7
May 2 09:02:13 knarzkiste kernel: [35107.741418] wlan0: RX authentication from
00:13:10:27:e0:e7 (alg=0 transaction=2 status=0)
May 2 09:02:13 knarzkiste kernel: [35107.741421] wlan0: authenticated
May 2 09:02:13 knarzkiste kernel: [35107.741424] wlan0: associate with AP
00:13:10:27:e0:e7
May 2 09:02:13 knarzkiste kernel: [35107.742595] wlan0: RX ReassocResp from
00:13:10:27:e0:e7 (capab=0x431 status=0 aid=1)
May 2 09:02:13 knarzkiste kernel: [35107.742598] wlan0: associated
May 2 09:02:13 knarzkiste kernel: [35107.742604] wlan0: CTS protection enabled
(BSSID=00:13:10:27:e0:e7)
May 2 09:02:13 knarzkiste kernel: [35107.742606] wlan0: switched to short
barker preamble (BSSID=00:13:10:27:e0:e7)
May 2 09:12:03 knarzkiste dhclient: DHCPREQUEST of <null address> on wlan0 to
192.168.1.1 port 67
May 2 09:12:03 knarzkiste kernel: [35402.576775] wlan0: RX deauthentication
from 00:13:10:27:e0:e7 (reason=7)
May 2 09:12:03 knarzkiste kernel: [35402.576779] wlan0: deauthenticated
May 2 09:12:03 knarzkiste kernel: [35402.578370] wlan0: RX deauthentication
from 00:13:10:27:e0:e7 (reason=7)
May 2 09:12:04 knarzkiste kernel: [35403.077672] wlan0: authenticate with AP
00:13:10:27:e0:e7
May 2 09:12:04 knarzkiste kernel: [35403.078418] wlan0: RX authentication from
00:13:10:27:e0:e7 (alg=0 transaction=2 status=0)
May 2 09:12:04 knarzkiste kernel: [35403.078421] wlan0: authenticated
May 2 09:12:04 knarzkiste kernel: [35403.078424] wlan0: associate with AP
00:13:10:27:e0:e7
May 2 09:12:04 knarzkiste kernel: [35403.079703] wlan0: RX ReassocResp from
00:13:10:27:e0:e7 (capab=0x431 status=0 aid=1)
May 2 09:12:04 knarzkiste kernel: [35403.079706] wlan0: associated
May 2 09:12:04 knarzkiste kernel: [35403.079712] wlan0: CTS protection enabled
(BSSID=00:13:10:27:e0:e7)
May 2 09:12:04 knarzkiste kernel: [35403.079715] wlan0: switched to short
barker preamble (BSSID=00:13:10:27:e0:e7)
This results in loss of bandwith, unresponsive network connections and
all that. It used to work with kernel 2.6.22
02:09.0 Network controller: RaLink RT2500 802.11g Cardbus/mini-PCI (rev 01)
Subsystem: Micro-Star International Co., Ltd. Unknown 802.11g mini-PCI
Adapter
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 64, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 22
Region 0: Memory at fbffc000 (32-bit, non-prefetchable) [size=8K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
~$ lsmod |grep rt2
rt2500pci 23168 0
rt2x00pci 13184 1 rt2500pci
rt2x00lib 30080 2 rt2500pci,rt2x00pci
rfkill 10128 2 rt2x00lib
rt2x_mac80211 196136 2 rt2x00pci,rt2x00lib
input_polldev 6928 1 rt2x00lib
rt2x_cfg80211 33808 2 rt2x00lib,rt2x_mac80211
eeprom_93cx6 3840 1 rt2500pci
$ iwconfig wlan0
wlan0 IEEE 802.11 ESSID:"comrade_zapata"
Mode:Managed Frequency:2.432 GHz Access Point: 00:13:10:27:E0:E7
Bit Rate=1 Mb/s Tx-Power=25 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352 B
Link Quality=51/100 Signal level=-51 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
** Affects: linux-backports-modules-2.6.24 (Ubuntu)
Importance: Undecided
Status: New
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rt2500 deauthentication
https://bugs.launchpad.net/bugs/225577
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