Return-path: Received: from charlotte.tuxdriver.com ([70.61.120.58]:34553 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752492Ab1CDOAm (ORCPT ); Fri, 4 Mar 2011 09:00:42 -0500 Date: Fri, 4 Mar 2011 08:46:48 -0500 From: "John W. Linville" To: Mathias =?iso-8859-1?Q?Bur=E9n?= Cc: linux-kernel@vger.kernel.org, ilw@linux.intel.com, wey-yi.w.guy@intel.com, linux-wireless@vger.kernel.org Subject: Re: 2.6.38-rc7, iwlagn crash Message-ID: <20110304134648.GB9866@tuxdriver.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 In-Reply-To: Sender: linux-wireless-owner@vger.kernel.org List-ID: Cc'ing Wey-yi and linux-wireless...anyone else having problems with iwlagn and IBSS? On Fri, Mar 04, 2011 at 03:27:22AM +0000, Mathias Bur?n wrote: > Hi, > > (please cc as not subscribed) > > I'm running Ubuntu 10.10 and 2.6.38-020638rc7-generic #201103020909 > SMP Wed Mar 2 09:11:42 UTC 2011 x86_64 GNU/Linux from > http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.38-rc7-natty/ . The > machine is a Lenovo T510 with this chip: > > 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 35) > > I was trying to setup up an adhoc wifi connection between my phone > and the laptop when I saw this in dmesg: > > > [111474.461347] ------------[ cut here ]------------ > [111474.461377] WARNING: at > /home/kernel-ppa/COD/linux/drivers/net/wireless/iwlwifi/iwl-core.c:1898 > iwl_mac_change_interface+0x12e/0x130 [iwlcore]() > [111474.461382] Hardware name: 4384BB3 > [111474.461384] Modules linked in: nf_nat_h323 nf_conntrack_h323 > nf_nat_pptp nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_proto_gre > nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc > nf_nat_ftp cdc_acm usbhid hid xt_limit xt_tcpudp ipt_LOG > ipt_MASQUERADE xt_DSCP ipt_REJECT nf_conntrack_irc nf_conntrack_ftp > xt_state nls_iso8859_1 nls_cp437 vfat fat binfmt_misc vboxnetadp > vboxnetflt vboxdrv microcode parport_pc ppdev iptable_nat nf_nat > nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_mangle > iptable_filter ip_tables x_tables uvcvideo snd_hda_codec_hdmi > snd_hda_codec_conexant arc4 videodev v4l2_compat_ioctl32 snd_hda_intel > snd_hda_codec snd_hwdep joydev snd_pcm hdaps thinkpad_ec iwlagn > snd_seq_midi iwlcore psmouse snd_rawmidi snd_seq_midi_event mac80211 > snd_seq serio_raw tpm_tis tpm lp parport thinkpad_acpi tpm_bios nvram > snd_timer snd_seq_device cfg80211 snd intel_ips soundcore > snd_page_alloc sha256_generic aesni_intel cryptd aes_x86_64 > aes_generic dm_crypt usb_storage uas i915 ahci drm_kms_helper > firewire_ohci e1000e libahci sdhci_pci firewire_core drm sdhci > crc_itu_t i2c_algo_bit video > [111474.461481] Pid: 1317, comm: wpa_supplicant Tainted: G W > 2.6.38-020638rc7-generic #201103020909 > [111474.461483] Call Trace: > [111474.461492] [] ? > iwl_mac_change_interface+0x12e/0x130 [iwlcore] > [111474.461497] [] ? > iwl_mac_change_interface+0x12e/0x130 [iwlcore] > [111474.461507] [] ? warn_slowpath_common+0x90/0xc0 > [111474.461510] [] ? warn_slowpath_null+0x1a/0x20 > [111474.461514] [] ? > iwl_mac_change_interface+0x12e/0x130 [iwlcore] > [111474.461527] [] ? > ieee80211_runtime_change_iftype+0xdc/0x180 [mac80211] > [111474.461535] [] ? > ieee80211_if_change_type+0xf5/0x120 [mac80211] > [111474.461543] [] ? > ieee80211_change_iface+0x3b/0x130 [mac80211] > [111474.461551] [] ? > cfg80211_change_iface+0xe8/0x1c0 [cfg80211] > [111474.461558] [] ? > cfg80211_wext_siwmode+0xa6/0xf0 [cfg80211] > [111474.461564] [] ? ioctl_standard_call+0x6b/0xf0 > [111474.461566] [] ? ioctl_standard_call+0x0/0xf0 > [111474.461569] [] ? wireless_process_ioctl+0x102/0x130 > [111474.461571] [] ? ioctl_private_call+0x0/0xa0 > [111474.461573] [] ? ioctl_private_call+0x0/0xa0 > [111474.461575] [] ? ioctl_standard_call+0x0/0xf0 > [111474.461578] [] ? wext_ioctl_dispatch+0x6c/0x90 > [111474.461580] [] ? wext_handle_ioctl+0x46/0x90 > [111474.461585] [] ? sockfd_lookup_light+0x4a/0x80 > [111474.461589] [] ? dev_ioctl+0x28b/0x2a0 > [111474.461591] [] ? sock_ioctl+0xbf/0x280 > [111474.461594] [] ? vfs_ioctl+0x1d/0x50 > [111474.461596] [] ? do_vfs_ioctl+0x69/0x1d0 > [111474.461598] [] ? sys_ioctl+0x94/0xa0 > [111474.461601] [] ? system_call_fastpath+0x16/0x1b > [111474.461603] ---[ end trace fb86611b81442165 ]--- > [111474.464580] iwlagn 0000:03:00.0: Error: Response NULL in 'REPLY_ADD_STA' > [111474.464586] iwlagn 0000:03:00.0: Adding station ff:ff:ff:ff:ff:ff failed. > [111474.472777] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111474.542468] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111474.543552] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111474.543809] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111475.894906] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111475.959248] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111475.960079] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111475.960195] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111477.339405] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111477.386319] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111477.387069] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111477.387213] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111478.700588] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111478.753591] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111478.754417] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111478.791333] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111480.192722] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111480.249724] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111480.250545] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111480.250695] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111481.654631] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111481.696438] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111481.697237] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111481.755643] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111483.016561] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111483.073672] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111483.074542] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111483.084848] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111484.463193] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111484.510342] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111484.511087] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111484.515897] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111485.930848] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111485.987148] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111485.988018] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111485.988177] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111487.369539] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111487.423704] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111487.424479] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111487.424621] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111488.796752] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111488.850445] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111488.851280] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111488.851502] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111490.271484] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111490.307285] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111490.308059] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111490.342785] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111491.678358] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111491.744236] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111491.745065] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111491.773720] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111493.205384] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111493.250872] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111493.251799] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111493.307372] wlan0: No active IBSS STAs - trying to scan for other > IBSS networks with same SSID (merge) > [111494.660506] wlan0: Selected IBSS BSSID 86:9f:24:fb:b0:44 based on > configured SSID > [111494.717399] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111494.718199] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111496.047915] wlan0: Trigger new scan to find an IBSS to join > [111501.880336] wlan0: Trigger new scan to find an IBSS to join > [111504.990820] wlan0: Creating new IBSS network, BSSID be:c7:fe:1c:61:99 > [111505.034037] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111505.034743] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111506.404722] wlan0: Trigger new scan to find an IBSS to join > [111511.567631] wlan0: Trigger new scan to find an IBSS to join > [111514.702225] wlan0: Creating new IBSS network, BSSID 46:d5:59:b4:0b:54 > [111514.752202] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111514.753078] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111516.083283] wlan0: Trigger new scan to find an IBSS to join > [111521.585645] wlan0: Trigger new scan to find an IBSS to join > [111524.617640] wlan0: Creating new IBSS network, BSSID b6:ca:41:c0:3e:bd > [111524.660101] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111524.661059] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111525.980241] wlan0: Trigger new scan to find an IBSS to join > [111531.296978] wlan0: Trigger new scan to find an IBSS to join > [111534.328992] wlan0: Creating new IBSS network, BSSID d6:00:8a:56:93:99 > [111534.379572] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111534.380379] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111535.712405] wlan0: Trigger new scan to find an IBSS to join > [111541.621646] wlan0: Trigger new scan to find an IBSS to join > [111544.755981] wlan0: Creating new IBSS network, BSSID 72:06:bb:e2:44:34 > [111544.817710] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111544.818623] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111546.186140] wlan0: Trigger new scan to find an IBSS to join > [111551.332991] wlan0: Trigger new scan to find an IBSS to join > [111554.467270] wlan0: Creating new IBSS network, BSSID 2a:49:ae:30:50:9e > [111554.533525] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111554.534350] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111555.904319] wlan0: Trigger new scan to find an IBSS to join > [111561.555433] wlan0: Trigger new scan to find an IBSS to join > [111564.587401] wlan0: Creating new IBSS network, BSSID aa:87:38:e5:ae:c0 > [111564.661200] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111564.662171] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111565.981796] wlan0: Trigger new scan to find an IBSS to join > [111568.625818] iwlagn 0000:03:00.0: failed to remove IBSS station > 00:00:00:00:00:00 > [111631.701608] ADDRCONF(NETDEV_UP): wlan0: link is not ready > [111631.829391] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready > [111631.833307] wlan0: Trigger new scan to find an IBSS to join > [111634.393859] iwlagn 0000:03:00.0: failed to remove IBSS station > 00:00:00:00:00:00 > [111634.705546] wlan0: Trigger new scan to find an IBSS to join > [111639.969168] wlan0: Trigger new scan to find an IBSS to join > [111642.456143] wlan0: no IPv6 routers present > [111643.095083] wlan0: Creating new IBSS network, BSSID ce:27:15:66:ab:a8 > [111643.095541] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111643.096508] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111644.424790] wlan0: Trigger new scan to find an IBSS to join > [111649.672932] wlan0: Trigger new scan to find an IBSS to join > [111652.806533] wlan0: Creating new IBSS network, BSSID fe:a3:87:bf:ed:2f > [111652.812108] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111652.813077] iwlagn 0000:03:00.0: Unable to find TIM Element in beacon > [111654.639431] iwlagn 0000:03:00.0: Error sending > REPLY_TX_POWER_DBM_CMD: time out after 500ms. > [111654.639443] iwlagn 0000:03:00.0: Error sending TX power (-110) > [111654.639447] ------------[ cut here ]------------ > [111654.639477] WARNING: at > /home/kernel-ppa/COD/linux/drivers/net/wireless/iwlwifi/iwl-core.c:1898 > iwl_mac_change_interface+0x12e/0x130 [iwlcore]() > [111654.639482] Hardware name: 4384BB3 > [111654.639484] Modules linked in: nf_nat_h323 nf_conntrack_h323 > nf_nat_pptp nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_proto_gre > nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc > nf_nat_ftp cdc_acm usbhid hid xt_limit xt_tcpudp ipt_LOG > ipt_MASQUERADE xt_DSCP ipt_REJECT nf_conntrack_irc nf_conntrack_ftp > xt_state nls_iso8859_1 nls_cp437 vfat fat binfmt_misc vboxnetadp > vboxnetflt vboxdrv microcode parport_pc ppdev iptable_nat nf_nat > nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_mangle > iptable_filter ip_tables x_tables uvcvideo snd_hda_codec_hdmi > snd_hda_codec_conexant arc4 videodev v4l2_compat_ioctl32 snd_hda_intel > snd_hda_codec snd_hwdep joydev snd_pcm hdaps thinkpad_ec iwlagn > snd_seq_midi iwlcore psmouse snd_rawmidi snd_seq_midi_event mac80211 > snd_seq serio_raw tpm_tis tpm lp parport thinkpad_acpi tpm_bios nvram > snd_timer snd_seq_device cfg80211 snd intel_ips soundcore > snd_page_alloc sha256_generic aesni_intel cryptd aes_x86_64 > aes_generic dm_crypt usb_storage uas i915 ahci drm_kms_helper > firewire_ohci e1000e libahci sdhci_pci firewire_core drm sdhci > crc_itu_t i2c_algo_bit video > [111654.639584] Pid: 1317, comm: wpa_supplicant Tainted: G W > 2.6.38-020638rc7-generic #201103020909 > [111654.639586] Call Trace: > [111654.639594] [] ? > iwl_mac_change_interface+0x12e/0x130 [iwlcore] > [111654.639599] [] ? > iwl_mac_change_interface+0x12e/0x130 [iwlcore] > [111654.639605] [] ? warn_slowpath_common+0x90/0xc0 > [111654.639608] [] ? warn_slowpath_null+0x1a/0x20 > [111654.639612] [] ? > iwl_mac_change_interface+0x12e/0x130 [iwlcore] > [111654.639626] [] ? > ieee80211_runtime_change_iftype+0xdc/0x180 [mac80211] > [111654.639633] [] ? > ieee80211_if_change_type+0xf5/0x120 [mac80211] > [111654.639641] [] ? > ieee80211_change_iface+0x3b/0x130 [mac80211] > [111654.639650] [] ? > cfg80211_change_iface+0xe8/0x1c0 [cfg80211] > [111654.639657] [] ? > cfg80211_wext_siwmode+0xa6/0xf0 [cfg80211] > [111654.639661] [] ? ioctl_standard_call+0x6b/0xf0 > [111654.639664] [] ? ioctl_standard_call+0x0/0xf0 > [111654.639666] [] ? wireless_process_ioctl+0x102/0x130 > [111654.639668] [] ? ioctl_private_call+0x0/0xa0 > [111654.639670] [] ? ioctl_private_call+0x0/0xa0 > [111654.639672] [] ? ioctl_standard_call+0x0/0xf0 > [111654.639675] [] ? wext_ioctl_dispatch+0x6c/0x90 > [111654.639677] [] ? wext_handle_ioctl+0x46/0x90 > [111654.639680] [] ? sockfd_lookup_light+0x4a/0x80 > [111654.639683] [] ? dev_ioctl+0x28b/0x2a0 > [111654.639685] [] ? sock_ioctl+0xbf/0x280 > [111654.639688] [] ? vfs_ioctl+0x1d/0x50 > [111654.639690] [] ? do_vfs_ioctl+0x69/0x1d0 > [111654.639692] [] ? sys_ioctl+0x94/0xa0 > [111654.639695] [] ? system_call_fastpath+0x16/0x1b > [111654.639697] ---[ end trace fb86611b81442166 ]--- > > I think the crash happens when the phone attempts to get an IP, at > least that's what the phone says right after/at the crash. Any ideas? > > // Mathias > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- John W. Linville Someday the world will need a hero, and you linville@tuxdriver.com might be all we have. Be ready.