From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-bw0-f219.google.com ([209.85.218.219]:48393 "EHLO mail-bw0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752632AbZHHUSv (ORCPT ); Sat, 8 Aug 2009 16:18:51 -0400 Received: by bwz19 with SMTP id 19so1991949bwz.37 for ; Sat, 08 Aug 2009 13:18:51 -0700 (PDT) To: linux-wireless@vger.kernel.org Cc: Johannes Berg Subject: WARNING: at net/wireless/chan.c:19 rdev_fixed_channel From: Kalle Valo Date: Sat, 08 Aug 2009 23:18:49 +0300 Message-ID: <87my6akqja.fsf@litku.valot.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: I resumed my thinkpad x60s laptop (iwl3945, 32bit, old wpa_supplicant, latest wireless-testing plus Johannes' siwfreq locking fix) and got the warning below. Everything still worked, it automatically associated to a WPA2 network and I'm sending this over that connection. I have seen the page table error since rc2 or so, and I have been too lazy to investigate it. I assume it's not related to the warning. [30295.568384] phy0: device no longer idle - scanning [30295.569126] phy0: device now idle [30295.587033] render error detected, EIR: 0x00000010 [30295.587040] page table error [30295.587043] PGTBL_ER: 0x00000001 [30295.587049] [drm:i915_driver_irq_handler] *ERROR* EIR stuck: 0x00000010, masking [30295.587066] render error detected, EIR: 0x00000010 [30295.587070] page table error [30295.587073] PGTBL_ER: 0x00000001 [30295.814045] ------------[ cut here ]------------ [30295.814088] WARNING: at net/wireless/chan.c:19 rdev_fixed_channel+0x28/0x7d [cfg80211]() [30295.814094] Hardware name: 1703Y1F [30295.814097] Modules linked in: tun cdc_ether usbnet cdc_acm mii i915 drm i2c_algo_bit sco bnep rfcomm l2cap binfmt_misc ipv6 fuse acpi_cpufreq loop snd_hda_codec_analog snd_hda_intel snd_hda_codec arc4 ecb snd_pcm_oss snd_mixer_oss snd_pcm iwl3945 snd_seq_dummy snd_seq_oss iwlcore snd_seq_midi_event mac80211 snd_seq pcmcia snd_timer snd_seq_device cfg80211 btusb snd thinkpad_acpi yenta_socket bluetooth soundcore rsrc_nonstatic rfkill rng_core battery ac button snd_page_alloc pcmcia_core psmouse pcspkr nvram i2c_i801 evdev processor ext3 jbd sha256_generic aes_i586 aes_generic cbc dm_crypt dm_mirror dm_region_hash dm_log dm_snapshot dm_mod sd_mod sdhci_pci sdhci ata_piix mmc_core led_class libata uhci_hcd ehci_hcd scsi_mod usbcore e1000e video backlight output thermal fan [30295.814237] Pid: 9925, comm: ip Tainted: G W 2.6.31-rc5-wl #205 [30295.814242] Call Trace: [30295.814254] [] warn_slowpath_common+0x65/0x95 [30295.814262] [] warn_slowpath_null+0x12/0x15 [30295.814289] [] rdev_fixed_channel+0x28/0x7d [cfg80211] [30295.814317] [] __cfg80211_connect+0x50/0x385 [cfg80211] [30295.814343] [] cfg80211_mgd_wext_connect+0x101/0x11e [cfg80211] [30295.814368] [] cfg80211_netdev_notifier_call+0x218/0x2b3 [cfg80211] [30295.814379] [] notifier_call_chain+0x2b/0x55 [30295.814387] [] raw_notifier_call_chain+0x11/0x13 [30295.814395] [] dev_open+0xc9/0xd3 [30295.814404] [] dev_change_flags+0xaa/0x15f [30295.814412] [] do_setlink+0x239/0x2f1 [30295.814421] [] rtnl_newlink+0x275/0x3ef [30295.814428] [] ? rtnl_newlink+0x34/0x3ef [30295.814435] [] ? rtnl_newlink+0x7d/0x3ef [30295.814444] [] ? rtnl_fill_ifinfo+0x25f/0x4c2 [30295.814452] [] ? rtnl_newlink+0x0/0x3ef [30295.814460] [] rtnetlink_rcv_msg+0x18f/0x1a9 [30295.814468] [] ? rtnetlink_rcv_msg+0x0/0x1a9 [30295.814476] [] netlink_rcv_skb+0x35/0x7a [30295.814483] [] rtnetlink_rcv+0x21/0x29 [30295.814490] [] netlink_unicast+0xcb/0x121 [30295.814498] [] netlink_sendmsg+0x222/0x22f [30295.814507] [] sock_sendmsg+0xcf/0xe6 [30295.814516] [] ? autoremove_wake_function+0x0/0x38 [30295.814525] [] ? autoremove_wake_function+0x0/0x38 [30295.814533] [] ? autoremove_wake_function+0x0/0x38 [30295.814542] [] ? get_page_from_freelist+0x8b/0x35a [30295.814550] [] ? copy_from_user+0x2f/0x117 [30295.814557] [] ? copy_from_user+0x2f/0x117 [30295.814565] [] ? verify_iovec+0x45/0x74 [30295.814572] [] sys_sendmsg+0x144/0x197 [30295.814580] [] ? sys_recvmsg+0x11a/0x17f [30295.814588] [] ? __alloc_pages_nodemask+0xe0/0x422 [30295.814597] [] ? vma_merge+0x138/0x229 [30295.814605] [] ? lru_cache_add_lru+0x2c/0x2e [30295.814613] [] ? page_add_new_anon_rmap+0x5d/0x6a [30295.814622] [] ? handle_mm_fault+0x1a8/0x48d [30295.814630] [] sys_socketcall+0x145/0x172 [30295.814638] [] sysenter_do_call+0x12/0x26 [30295.814644] ---[ end trace 63d0b9ce8430ae90 ]--- [30295.814655] ADDRCONF(NETDEV_UP): wlan0: link is not ready [30300.572081] phy0: device no longer idle - scanning [30303.159685] phy0: device now idle -- Kalle Valo