Return-path: Received: from mail-iw0-f180.google.com ([209.85.223.180]:62983 "EHLO mail-iw0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932245AbZJNQpI convert rfc822-to-8bit (ORCPT ); Wed, 14 Oct 2009 12:45:08 -0400 MIME-Version: 1.0 In-Reply-To: <20091014151529.GA6602@Pilar.aei.mpg.de> References: <20091007142031.GA7495@Pilar.aei.mpg.de> <1255023883.26521.13298.camel@rc-desk> <20091014151529.GA6602@Pilar.aei.mpg.de> From: "Luis R. Rodriguez" Date: Wed, 14 Oct 2009 09:44:10 -0700 Message-ID: <43e72e890910140944y23399b71sf20cd37e003c9729@mail.gmail.com> Subject: Re: [2.6.32-rc3] iwlagn lost connection after s2ram (with warnings) To: "Carlos R. Mafra" Cc: reinette chatre , "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" , johannes@sipsolutions.net Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Oct 14, 2009 at 8:15 AM, Carlos R. Mafra wrote: > On Thu 8.Oct'09 at 10:44:43 -0700, reinette chatre wrote: >> Hi Carlos, >> >> On Wed, 2009-10-07 at 07:20 -0700, Carlos R. Mafra wrote: >> > I just got these warnings after resuming from a suspend to RAM, and >> > the wireless connection was not resumed (now I am connected via eth0). >> > This is the first time I had a failed wireless resume since 2.6.32-rc1. >> > >> > The full dmesg is here: http://www.aei.mpg.de/~crmafra/dmesg-2.6.32-rc3-wifi.txt >> > >> > [ 3427.570113] Restarting tasks ... >> > [ 3427.585827] wlan0: deauthenticated from 00:0b:86:26:36:f1 (Reason: 6) >> > [ 3427.589451] done. >> > [ 3428.503203] input: PS/2 Mouse as /devices/platform/i8042/serio4/input/input15 >> > [ 3428.521064] input: AlpsPS/2 ALPS GlidePoint as /devices/platform/i8042/serio4/input/input16 >> > [ 3434.504175] wlan0: direct probe to AP 00:0b:86:26:36:f1 (try 1) >> > [ 3434.507058] wlan0: direct probe responded >> > [ 3434.507062] wlan0: authenticate with AP 00:0b:86:26:36:f1 (try 1) >> > [ 3434.509000] wlan0: authenticated >> > [ 3434.509022] wlan0: associate with AP 00:0b:86:26:36:f1 (try 1) >> > [ 3434.512778] wlan0: RX ReassocResp from 00:0b:86:26:36:f1 (capab=0x431 status=0 aid=2) >> > [ 3434.512782] wlan0: associated >> > [ 3434.563942] wlan0: deauthenticating from 00:0b:86:26:36:f1 by local choice (reason=3) >> >> You mention you are trying to connect again after a resume. The message >> above indicates that userspace (maybe wpa_supplicant ?) requested that >> the connection be closed. Do you maybe know how this could have been >> triggered? >> >> > [ 3434.564023] ------------[ cut here ]------------ >> > [ 3434.564039] WARNING: at net/wireless/mlme.c:96 cfg80211_send_rx_assoc+0x193/0x230() >> >> This warning and the one below indicates that there is no information >> available for this BSS. Maybe Johannes knows why this can be? >> >> > [ 3434.564045] Hardware name: VGN-FZ240E >> > [ 3434.564049] Modules linked in: usbhid nvram dvb_usb_dib0700 dib7000p dib7000m dib0070 dvb_usb dib3000mc dib8000 dibx000_common snd_hda_codec_idt uvcvideo snd_hda_intel snd_hda_codec ehci_hcd sg uhci_hcd snd_hwdep sky2 iwlagn i2c_i801 sr_mod evdev ata_piix ahci libata sd_mod scsi_mod >> > [ 3434.564104] Pid: 2319, comm: phy0 Not tainted 2.6.32-rc3 #204 >> > [ 3434.564109] Call Trace: >> > [ 3434.564119] [] ? cfg80211_send_rx_assoc+0x193/0x230 >> > [ 3434.564131] [] warn_slowpath_common+0x78/0xd0 >> > [ 3434.564139] [] warn_slowpath_null+0xf/0x20 >> > [ 3434.564147] [] cfg80211_send_rx_assoc+0x193/0x230 >> > [ 3434.564156] [] ieee80211_sta_work+0x2fb/0x1100 >> > [ 3434.564166] [] ? _spin_unlock_bh+0xf/0x20 >> > [ 3434.564175] [] ? ieee80211_configure_filter+0x11a/0x170 >> > [ 3434.564183] [] ? ieee80211_sta_work+0x0/0x1100 >> > [ 3434.564193] [] worker_thread+0x182/0x260 >> > [ 3434.564203] [] ? autoremove_wake_function+0x0/0x40 >> > [ 3434.564211] [] ? worker_thread+0x0/0x260 >> > [ 3434.564219] [] kthread+0x96/0xb0 >> > [ 3434.564229] [] child_rip+0xa/0x20 >> > [ 3434.564237] [] ? kthread+0x0/0xb0 >> > [ 3434.564245] [] ? child_rip+0x0/0x20 >> > [ 3434.564250] ---[ end trace 99d6122abfa316f7 ]--- >> > [ 3434.564272] ------------[ cut here ]------------ >> > [ 3434.564280] WARNING: at net/wireless/sme.c:417 __cfg80211_connect_result+0x343/0x380() >> > [ 3434.564285] Hardware name: VGN-FZ240E >> > [ 3434.564289] Modules linked in: usbhid nvram dvb_usb_dib0700 dib7000p dib7000m dib0070 dvb_usb dib3000mc dib8000 dibx000_common snd_hda_codec_idt uvcvideo snd_hda_intel snd_hda_codec ehci_hcd sg uhci_hcd snd_hwdep sky2 iwlagn i2c_i801 sr_mod evdev ata_piix ahci libata sd_mod scsi_mod >> > [ 3434.564335] Pid: 2319, comm: phy0 Tainted: G W 2.6.32-rc3 #204 >> > [ 3434.564340] Call Trace: >> > [ 3434.564347] [] ? _spin_unlock_bh+0xf/0x20 >> > [ 3434.564355] [] ? __cfg80211_connect_result+0x343/0x380 >> > [ 3434.564364] [] warn_slowpath_common+0x78/0xd0 >> > [ 3434.564373] [] warn_slowpath_null+0xf/0x20 >> > [ 3434.564381] [] __cfg80211_connect_result+0x343/0x380 >> > [ 3434.564389] [] ? dump_stack+0x72/0x7b >> > [ 3434.564397] [] cfg80211_send_rx_assoc+0x1d0/0x230 >> > [ 3434.564405] [] ieee80211_sta_work+0x2fb/0x1100 >> > [ 3434.564413] [] ? _spin_unlock_bh+0xf/0x20 >> > [ 3434.564421] [] ? ieee80211_configure_filter+0x11a/0x170 >> > [ 3434.564429] [] ? ieee80211_sta_work+0x0/0x1100 >> > [ 3434.564438] [] worker_thread+0x182/0x260 >> > [ 3434.564447] [] ? autoremove_wake_function+0x0/0x40 >> > [ 3434.564455] [] ? worker_thread+0x0/0x260 >> > [ 3434.564463] [] kthread+0x96/0xb0 >> > [ 3434.564471] [] child_rip+0xa/0x20 >> > [ 3434.564479] [] ? kthread+0x0/0xb0 >> > [ 3434.564487] [] ? child_rip+0x0/0x20 >> > [ 3434.564492] ---[ end trace 99d6122abfa316f8 ]--- >> > [ 3434.962611] Registered led device: iwl-phy0::radio >> > [ 3434.962629] Registered led device: iwl-phy0::assoc >> > [ 3434.962645] Registered led device: iwl-phy0::RX >> > [ 3434.962661] Registered led device: iwl-phy0::TX >> > [ 3435.000526] ADDRCONF(NETDEV_UP): wlan0: link is not ready > > Now I got a similar warning and the connection went down. But this > time it was not closely related to a suspend to RAM, as can be noticed > in the dmesg > > [ 624.603365] wlan0: direct probe responded > [ 624.603373] wlan0: authenticate with AP 00:0b:86:26:36:f1 (try 1) > [ 624.605285] wlan0: authenticated > [ 624.605316] wlan0: associate with AP 00:0b:86:26:36:f1 (try 1) > [ 624.608055] wlan0: RX ReassocResp from 00:0b:86:26:36:f1 (capab=0x21 status=10 aid=0) > [ 624.608061] wlan0: AP denied association (code=10) > [ 640.704549] wlan0: direct probe to AP 00:0b:86:3e:10:31 (try 1) > [ 640.708848] wlan0: direct probe responded > [ 640.708857] wlan0: authenticate with AP 00:0b:86:3e:10:31 (try 1) > [ 640.710857] wlan0: authenticated > [ 640.710888] wlan0: associate with AP 00:0b:86:3e:10:31 (try 1) > [ 640.719800] wlan0: RX AssocResp from 00:0b:86:3e:10:31 (capab=0x431 status=0 aid=1) > [ 640.719807] wlan0: associated > [ 640.746298] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready > [ 650.899995] wlan0: no IPv6 routers present > [ 706.797508] CE: hpet increasing min_delta_ns to 15000 nsec > [ 9523.640903] process `skype' is using obsolete setsockopt SO_BSDCOMPAT > [ 9546.622398] hda-intel: azx_get_response timeout, switching to polling mode: last cmd=0x00af0900 > [15443.026527] wlan0: deauthenticated from 00:0b:86:3e:10:31 (Reason: 3) > [15443.032706] ------------[ cut here ]------------ > [15443.032723] WARNING: at net/wireless/sme.c:620 __cfg80211_disconnected+0x232/0x240() > [15443.032728] Hardware name: VGN-FZ240E > [15443.032732] deauth failed: -67 Can you reproduce ? If so then please try my patch titled: [PATCH] mac80211: fix SME warning by removing stale BSS upon assoc failure and see if that still happens. Luis