I can confirm this bug in Gutsy RC. It is a desktop computer with a Linksys WMP54G 2.0 PCI Adapter 20 meters away from a Linksys AP. I did not have this problem in Feisty... lspci: 00:00.0 Host bridge: VIA Technologies, Inc. P4M266 Host Bridge 00:01.0 PCI bridge: VIA Technologies, Inc. VT8633 [Apollo Pro266 AGP] 00:09.0 Network controller: RaLink RT2500 802.11g Cardbus/mini-PCI (rev 01) 00:0b.0 Multimedia controller: Philips Semiconductors SAA7130 Video Broadcast Decoder (rev 01) 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) 00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82) 00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge 00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06) 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50) 01:00.0 VGA compatible controller: nVidia Corporation NV44A [GeForce 6200] (rev a1) lsmod | grep rt2 rt2500pci 19072 0 rt2x00pci 11520 1 rt2500pci rt2x00lib 19584 2 rt2500pci,rt2x00pci rfkill 8208 1 rt2x00lib mac80211 171016 4 rc80211_simple,rt2500pci,rt2x00pci,rt2x00lib input_polldev 5896 1 rt2x00lib crc_itu_t 3072 1 rt2x00lib eeprom_93cx6 3200 1 rt2500pci dmesg | grep ra0 (snnipet) 4 status=0) [138620.323536] ra0: authenticated [138620.323541] ra0: associate with AP 00:16:b6:cf:5e:be [138620.325669] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [138620.325674] ra0: associated [139399.705333] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [139399.705343] ra0: deauthenticated [139399.720185] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [139400.719488] ra0: authenticate with AP 00:16:b6:cf:5e:be [139400.721962] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [139400.721969] ra0: replying to auth challenge [139400.725852] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [139400.725858] ra0: authenticated [139400.725863] ra0: associate with AP 00:16:b6:cf:5e:be [139400.728056] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [139400.728061] ra0: associated [140189.181448] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [140189.181458] ra0: deauthenticated [140189.182505] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [140189.215427] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [140189.265071] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [140189.300379] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [140189.363805] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [140189.457806] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [140189.528433] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [140190.526623] ra0: authenticate with AP 00:16:b6:cf:5e:be [140190.529209] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [140190.529216] ra0: replying to auth challenge [140190.534594] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [140190.534610] ra0: authenticated [140190.534615] ra0: associate with AP 00:16:b6:cf:5e:be [140190.536786] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [140190.536793] ra0: associated [141028.622873] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [141028.622883] ra0: deauthenticated [141028.641928] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [141028.649567] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [141028.665078] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [141028.688567] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [141028.751025] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [141028.762716] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [141029.760915] ra0: authenticate with AP 00:16:b6:cf:5e:be [141029.763489] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [141029.763496] ra0: replying to auth challenge [141029.770649] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [141029.770654] ra0: authenticated [141029.770659] ra0: associate with AP 00:16:b6:cf:5e:be [141029.774312] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [141029.774317] ra0: associated [141868.065006] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [141868.065015] ra0: deauthenticated [141869.063167] ra0: authenticate with AP 00:16:b6:cf:5e:be [141869.065724] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [141869.065731] ra0: replying to auth challenge [141869.068628] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [141869.068635] ra0: authenticated [141869.068639] ra0: associate with AP 00:16:b6:cf:5e:be [141869.070775] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [141869.070780] ra0: associated [145285.793798] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [145285.793808] ra0: deauthenticated [145286.791955] ra0: authenticate with AP 00:16:b6:cf:5e:be [145286.794490] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [145286.794498] ra0: replying to auth challenge [145286.797320] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [145286.797326] ra0: authenticated [145286.797330] ra0: associate with AP 00:16:b6:cf:5e:be [145286.799792] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [145286.799799] ra0: associated [146005.408977] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [146005.408986] ra0: deauthenticated [146006.405746] ra0: authenticate with AP 00:16:b6:cf:5e:be [146006.408359] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [146006.408366] ra0: replying to auth challenge [146006.420439] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [146006.420445] ra0: authenticated [146006.420450] ra0: associate with AP 00:16:b6:cf:5e:be [146006.428336] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [146006.428342] ra0: associated [146305.116415] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [146305.116424] ra0: deauthenticated [146306.114587] ra0: authenticate with AP 00:16:b6:cf:5e:be [146306.117148] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [146306.117157] ra0: replying to auth challenge [146306.122103] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [146306.122109] ra0: authenticated [146306.122114] ra0: associate with AP 00:16:b6:cf:5e:be [146306.125423] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [146306.125429] ra0: associated [149123.246189] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [149123.246198] ra0: deauthenticated [149123.258588] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [149123.265175] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [149123.279518] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [149123.292215] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [149123.293733] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [149123.501144] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [149123.530654] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [149124.529637] ra0: authenticate with AP 00:16:b6:cf:5e:be [149124.532575] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [149124.532582] ra0: replying to auth challenge [149124.535846] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [149124.535852] ra0: authenticated [149124.535856] ra0: associate with AP 00:16:b6:cf:5e:be [149124.545269] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [149124.545277] ra0: associated [150082.606212] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [150082.606221] ra0: deauthenticated [150083.604304] ra0: authenticate with AP 00:16:b6:cf:5e:be [150083.606840] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [150083.606847] ra0: replying to auth challenge [150083.609855] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [150083.609861] ra0: authenticated [150083.609865] ra0: associate with AP 00:16:b6:cf:5e:be [150083.612010] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [150083.612015] ra0: associated [153620.255316] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [153620.255325] ra0: deauthenticated [153620.270979] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [153620.319085] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [153620.343384] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [153620.346177] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [153620.434222] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [153620.440580] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [153621.437278] ra0: authenticate with AP 00:16:b6:cf:5e:be [153621.440044] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [153621.440050] ra0: replying to auth challenge [153621.447703] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [153621.447710] ra0: authenticated [153621.447715] ra0: associate with AP 00:16:b6:cf:5e:be [153621.464072] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [153621.464077] ra0: associated [155836.785289] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [155836.785299] ra0: deauthenticated [155837.784439] ra0: authenticate with AP 00:16:b6:cf:5e:be [155837.786976] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [155837.786984] ra0: replying to auth challenge [155837.793046] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [155837.793053] ra0: authenticated [155837.793058] ra0: associate with AP 00:16:b6:cf:5e:be [155837.802348] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [155837.802356] ra0: associated [155906.745539] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [155906.745548] ra0: deauthenticated [155907.741963] ra0: authenticate with AP 00:16:b6:cf:5e:be [155907.745122] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [155907.745128] ra0: replying to auth challenge [155907.748426] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [155907.748432] ra0: authenticated [155907.748436] ra0: associate with AP 00:16:b6:cf:5e:be [155907.750604] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [155907.750609] ra0: associated [155966.697748] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [155966.697758] ra0: deauthenticated [155967.694101] ra0: authenticate with AP 00:16:b6:cf:5e:be [155967.699336] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [155967.699346] ra0: replying to auth challenge [155967.710419] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [155967.710426] ra0: authenticated [155967.710430] ra0: associate with AP 00:16:b6:cf:5e:be [155967.718180] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [155967.718186] ra0: associated [158498.014487] ra0: RX deauthentication from 00:16:b6:cf:5e:be (reason=7) [158498.014535] ra0: deauthenticated [158499.011942] ra0: authenticate with AP 00:16:b6:cf:5e:be [158499.014402] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [158499.014408] ra0: replying to auth challenge [158499.017284] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [158499.017291] ra0: authenticated [158499.017295] ra0: associate with AP 00:16:b6:cf:5e:be [158499.019656] ra0: RX ReassocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [158499.019661] ra0: associated [159289.015075] ra0: No ProbeResp from current AP 00:16:b6:cf:5e:be - assume out of range [159289.858553] ra0: No STA entry for own AP 00:16:b6:cf:5e:be [159295.594744] ra0: No STA entry for own AP 00:16:b6:cf:5e:be [159301.334931] ra0: No STA entry for own AP 00:16:b6:cf:5e:be [159307.075102] ra0: No STA entry for own AP 00:16:b6:cf:5e:be [159311.030089] ADDRCONF(NETDEV_CHANGE): ra0: link becomes ready [159311.141483] ADDRCONF(NETDEV_UP): ra0: link is not ready [159394.417693] ADDRCONF(NETDEV_UP): ra0: link is not ready [164442.295162] ra0: Initial auth_alg=1 [164442.295171] ra0: authenticate with AP 00:16:b6:cf:5e:be [164442.297684] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=2 status=0) [164442.297693] ra0: replying to auth challenge [164442.300690] ra0: RX authentication from 00:16:b6:cf:5e:be (alg=1 transaction=4 status=0) [164442.300697] ra0: authenticated [164442.300701] ra0: associate with AP 00:16:b6:cf:5e:be [164442.302760] ra0: RX AssocResp from 00:16:b6:cf:5e:be (capab=0x411 status=0 aid=1) [164442.302767] ra0: associated [164442.306858] ADDRCONF(NETDEV_CHANGE): ra0: link becomes ready