Return-path: Received: from mail-ew0-f206.google.com ([209.85.219.206]:35272 "EHLO mail-ew0-f206.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754198AbZIPJgO (ORCPT ); Wed, 16 Sep 2009 05:36:14 -0400 MIME-Version: 1.0 Date: Wed, 16 Sep 2009 11:36:12 +0200 Message-ID: <8db1092f0909160236i5d2b1f31k3ec289fbd9ac0bfa@mail.gmail.com> Subject: WARNING: at net/mac80211/scan.c:267 ieee80211_scan_completed+0x299/0x2b0 [mac80211]() From: Maciej Rutecki To: Linux Kernel Mailing List , Linux Wireless List , ilw@linux.intel.com, yi.zhu@intel.com, reinette.chatre@intel.com Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Device: 08:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02) Last known good: 2.6.31 Bad: 26.31-git4 I use wicd to connect to wireless network. Steps to reproduce: 1. Connect to the wireless network (WPA2), it takes long time (longer than in 2.6.31) 2. Connect to another wireless network: 3. Connect fails with error: [ 163.208063] ------------[ cut here ]------------ [ 163.208114] WARNING: at net/mac80211/scan.c:267 ieee80211_scan_completed+0x299/0x2b0 [mac80211]() [ 163.208122] Hardware name: HP Compaq nx6310 (EY501ES#AKD) [ 163.208127] Modules linked in: i915 drm i2c_algo_bit i2c_core sco bnep rfcomm l2cap crc16 xt_tcpudp xt_limit xt_state iptable_filter nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables aes_i586 aes_generic cbc dm_crypt dm_snapshot dm_mirror dm_region_hash dm_log dm_mod hp_wmi fuse sbp2 loop snd_hda_codec_si3054 snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss arc4 btusb bluetooth ecb snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi iwl3945 snd_seq_midi_event iwlcore pcmcia snd_seq firmware_class snd_timer b44 snd_seq_device yenta_socket mac80211 uhci_hcd ssb rsrc_nonstatic ohci1394 intel_agp video led_class snd ehci_hcd pcmcia_core mii agpgart backlight soundcore rtc_cmos snd_page_alloc cfg80211 ieee1394 psmouse usbcore rtc_core serio_raw sg output rfkill ac fan battery rtc_lib button evdev [ 163.208301] Pid: 3597, comm: wpa_supplicant Not tainted 2.6.31-git4 #1 [ 163.208305] Call Trace: [ 163.208316] [] ? printk+0x1d/0x20 [ 163.208333] [] ? ieee80211_scan_completed+0x299/0x2b0 [mac80211] [ 163.208341] [] warn_slowpath_common+0x71/0xc0 [ 163.208358] [] ? ieee80211_scan_completed+0x299/0x2b0 [mac80211] [ 163.208364] [] warn_slowpath_null+0x1a/0x20 [ 163.208382] [] ieee80211_scan_completed+0x299/0x2b0 [mac80211] [ 163.208398] [] ieee80211_scan_cancel+0x49/0x80 [mac80211] [ 163.208416] [] ieee80211_stop+0x587/0x590 [mac80211] [ 163.208422] [] ? _spin_unlock_bh+0x12/0x20 [ 163.208431] [] dev_close+0x6b/0xc0 [ 163.208436] [] ? _spin_unlock_bh+0x12/0x20 [ 163.208441] [] ? dev_set_rx_mode+0x2f/0x40 [ 163.208446] [] dev_change_flags+0x86/0x1a0 [ 163.208453] [] devinet_ioctl+0x66a/0x680 [ 163.208458] [] ? dev_ioctl+0x295/0x550 [ 163.208464] [] inet_ioctl+0xa2/0xd0 [ 163.208471] [] sock_ioctl+0x68/0x270 [ 163.208476] [] ? sock_ioctl+0x0/0x270 [ 163.208483] [] vfs_ioctl+0x2d/0xa0 [ 163.208488] [] do_vfs_ioctl+0x72/0x5f0 [ 163.208494] [] ? sys_send+0x3b/0x40 [ 163.208500] [] ? sys_socketcall+0x1d8/0x2b0 [ 163.208505] [] sys_ioctl+0x82/0x90 [ 163.208511] [] sysenter_do_call+0x12/0x22 [ 163.208515] ---[ end trace 4a480a90c21becfb ]--- [ 163.232845] ------------[ cut here ]------------ [ 163.232908] WARNING: at net/wireless/core.c:613 wdev_cleanup_work+0xbb/0xe0 [cfg80211]() [ 163.232915] Hardware name: HP Compaq nx6310 (EY501ES#AKD) [ 163.232921] Modules linked in: i915 drm i2c_algo_bit i2c_core sco bnep rfcomm l2cap crc16 xt_tcpudp xt_limit xt_state iptable_filter nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables aes_i586 aes_generic cbc dm_crypt dm_snapshot dm_mirror dm_region_hash dm_log dm_mod hp_wmi fuse sbp2 loop snd_hda_codec_si3054 snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss arc4 btusb bluetooth ecb snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi iwl3945 snd_seq_midi_event iwlcore pcmcia snd_seq firmware_class snd_timer b44 snd_seq_device yenta_socket mac80211 uhci_hcd ssb rsrc_nonstatic ohci1394 intel_agp video led_class snd ehci_hcd pcmcia_core mii agpgart backlight soundcore rtc_cmos snd_page_alloc cfg80211 ieee1394 psmouse usbcore rtc_core serio_raw sg output rfkill ac fan battery rtc_lib button evdev [ 163.233095] Pid: 9, comm: events/0 Tainted: G W 2.6.31-git4 #1 [ 163.233102] Call Trace: [ 163.233117] [] ? printk+0x1d/0x20 [ 163.233150] [] ? wdev_cleanup_work+0xbb/0xe0 [cfg80211] [ 163.233162] [] warn_slowpath_common+0x71/0xc0 [ 163.233195] [] ? wdev_cleanup_work+0xbb/0xe0 [cfg80211] [ 163.233205] [] warn_slowpath_null+0x1a/0x20 [ 163.233237] [] wdev_cleanup_work+0xbb/0xe0 [cfg80211] [ 163.233249] [] ? prepare_to_wait+0x3f/0x70 [ 163.233259] [] worker_thread+0x12e/0x1f0 [ 163.233267] [] ? default_wake_function+0x10/0x20 [ 163.233301] [] ? wdev_cleanup_work+0x0/0xe0 [cfg80211] [ 163.233311] [] ? autoremove_wake_function+0x0/0x50 [ 163.233320] [] ? worker_thread+0x0/0x1f0 [ 163.233329] [] kthread+0x74/0x80 [ 163.233338] [] ? kthread+0x0/0x80 [ 163.233348] [] kernel_thread_helper+0x7/0x10 [ 163.233355] ---[ end trace 4a480a90c21becfc ]--- Config: http://unixy.pl/maciek/download/kernel/2.6.31-git4/config-2.6.31-git4 Dmesg: http://unixy.pl/maciek/download/kernel/2.6.31-git4/dmesg-2.6.31-git4.txt Regards -- Maciej Rutecki http://www.maciek.unixy.pl