It possibly could be duplicate, since the end result is the same (I didn't wait for one minute though, but if this happens again I will try to).

There's one thing that doesn't match that bug report (it might be a separate issue).

When this happened today I saw this in logs:
Oct 30 17:09:52 tkdlap2 NetworkManager: <info>  (wlan0): preparing device. 
Oct 30 17:09:52 tkdlap2 NetworkManager: <info>  (wlan0): deactivating device (reason: 2). 
Oct 30 17:09:52 tkdlap2 NetworkManager: <WARN>  nm_device_wifi_set_ssid(): error setting SSID to '(null)' for device wlan0: Resource temporarily unavailable 
Oct 30 17:09:52 tkdlap2 NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
Oct 30 17:09:52 tkdlap2 NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
Oct 30 17:09:52 tkdlap2 kernel: [  276.892815] ------------[ cut here ]------------
Oct 30 17:09:52 tkdlap2 kernel: [  276.892833] WARNING: at /build/buildd/linux-backports-modules-2.6.27-2.6.27/debian/build/build-generic/compat-wireless-2.6/net/mac80211/main.c:232 ieee80211_hw_config+0x85/0x90 [lbm_cw_mac80211]()
Oct 30 17:09:52 tkdlap2 kernel: [  276.892842] Modules linked in: tun ipv6 af_packet i915 drm binfmt_misc rfcomm sco bridge stp bnep l2cap bluetooth ppdev acpi_cpufreq cpufreq_userspace cpufreq_stats cpufreq_conservative cpufreq_powersave cpufreq_ondemand freq_table wmi container pci_slot sbs sbshc iptable_filter ip_tables x_tables panasonic_acpi parport_pc lp parport loop joydev pcmcia snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm arc4 ecb crypto_blkcipher snd_seq_dummy pcspkr evdev snd_seq_oss snd_seq_midi snd_rawmidi iwlagn video serio_raw snd_seq_midi_event output tpm_infineon tpm tpm_bios iwlcore rfkill psmouse snd_seq led_class snd_timer snd_seq_device lbm_cw_mac80211 snd yenta_socket lbm_cw_cfg80211 rsrc_nonstatic sdhci_pci sdhci pcmcia_core mmc_core ac battery button soundcore iTCO_wdt iTCO_vendor_support snd_page_alloc intel_agp agpgart shpchp pci_hotplug ext3 jbd mbcache sd_mod crc_t10dif sg ata_piix pata_acpi ata_generic ahci libata scsi_mod dock sky2 ehci_hcd uhci_hcd usbcore thermal processor fan 
Oct 30 17:09:52 tkdlap2 kernel: bcon tileblit font bitblit softcursor fuse
Oct 30 17:09:52 tkdlap2 kernel: [  276.893059] Pid: 6069, comm: NetworkManager Tainted: G        W 2.6.27-7-generic #1
Oct 30 17:09:52 tkdlap2 kernel: [  276.893067]  [<c037c406>] ? printk+0x1d/0x1f
Oct 30 17:09:52 tkdlap2 kernel: [  276.893081]  [<c0131de9>] warn_on_slowpath+0x59/0x90
Oct 30 17:09:52 tkdlap2 kernel: [  276.893096]  [<c030d400>] ? nlmsg_notify+0x30/0x90
Oct 30 17:09:52 tkdlap2 kernel: [  276.893108]  [<f916335d>] ? inet6_ifinfo_notify+0x7d/0xd0 [ipv6]
Oct 30 17:09:52 tkdlap2 kernel: [  276.893146]  [<f91635e8>] ? addrconf_notify+0x238/0x3d0 [ipv6]
Oct 30 17:09:52 tkdlap2 kernel: [  276.893182]  [<f8c0acce>] ? iwl_radio_kill_sw_enable_radio+0xe/0x140 [iwlcore]
Oct 30 17:09:52 tkdlap2 kernel: [  276.893206]  [<c012a18b>] ? __cond_resched+0x1b/0x40
Oct 30 17:09:52 tkdlap2 kernel: [  276.893216]  [<c037cdf5>] ? _cond_resched+0x35/0x50
Oct 30 17:09:52 tkdlap2 kernel: [  276.893226]  [<c037d3d8>] ? mutex_unlock+0x8/0x20
Oct 30 17:09:52 tkdlap2 kernel: [  276.893236]  [<f8c4ec3d>] ? iwl4965_mac_config+0x4d/0x2c0 [iwlagn]
Oct 30 17:09:52 tkdlap2 kernel: [  276.893255]  [<c014c36f>] ? raw_notifier_call_chain+0x1f/0x30
Oct 30 17:09:52 tkdlap2 kernel: [  276.893267]  [<f8bd4875>] ieee80211_hw_config+0x85/0x90 [lbm_cw_mac80211]
Oct 30 17:09:52 tkdlap2 kernel: [  276.893293]  [<f8be14f7>] ieee80211_open+0x5e7/0x830 [lbm_cw_mac80211]
Oct 30 17:09:52 tkdlap2 kernel: [  276.893321]  [<c02f469a>] dev_open+0xaa/0xe0
Oct 30 17:09:52 tkdlap2 kernel: [  276.893331]  [<c037e866>] ? _spin_unlock_bh+0x16/0x20
Oct 30 17:09:52 tkdlap2 kernel: [  276.893340]  [<c02f3acf>] ? dev_set_rx_mode+0x2f/0x40
Oct 30 17:09:52 tkdlap2 kernel: [  276.893350]  [<c02f3d49>] dev_change_flags+0x139/0x1c0
Oct 30 17:09:52 tkdlap2 kernel: [  276.893358]  [<c02fcded>] do_setlink+0x1cd/0x380
Oct 30 17:09:52 tkdlap2 kernel: [  276.893368]  [<c037e4c8>] ? _read_lock+0x8/0x20
Oct 30 17:09:52 tkdlap2 kernel: [  276.893377]  [<c02fd089>] rtnl_setlink+0xe9/0x120
Oct 30 17:09:52 tkdlap2 kernel: [  276.893387]  [<c0211bb2>] ? cap_netlink_recv+0x12/0x40
Oct 30 17:09:52 tkdlap2 kernel: [  276.893398]  [<c02fcfa0>] ? rtnl_setlink+0x0/0x120
Oct 30 17:09:52 tkdlap2 kernel: [  276.893408]  [<c02fc1f5>] rtnetlink_rcv_msg+0x165/0x200
Oct 30 17:09:52 tkdlap2 kernel: [  276.893417]  [<c01ad388>] ? get_slab+0x8/0x60
Oct 30 17:09:52 tkdlap2 kernel: [  276.893428]  [<c02fc090>] ? rtnetlink_rcv_msg+0x0/0x200
Oct 30 17:09:52 tkdlap2 kernel: [  276.893438]  [<c030dc16>] netlink_rcv_skb+0x76/0xa0
Oct 30 17:09:52 tkdlap2 kernel: [  276.893447]  [<c02fc081>] rtnetlink_rcv+0x21/0x30
Oct 30 17:09:52 tkdlap2 kernel: [  276.893455]  [<c030d3a5>] netlink_unicast+0x265/0x290
Oct 30 17:09:52 tkdlap2 kernel: [  276.893464]  [<c030e423>] netlink_sendmsg+0x1d3/0x2c0
Oct 30 17:09:52 tkdlap2 NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
Oct 30 17:09:52 tkdlap2 NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
Oct 30 17:09:52 tkdlap2 kernel: [  276.893473]  [<c02e65af>] sock_sendmsg+0xef/0x120
Oct 30 17:09:52 tkdlap2 NetworkManager: <info>  (wlan0): device state change: 2 -> 3 
Oct 30 17:09:52 tkdlap2 NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
Oct 30 17:09:52 tkdlap2 kernel: [  276.893481]  [<c0234775>] ? apparmor_socket_recvmsg+0x15/0x20
Oct 30 17:09:52 tkdlap2 kernel: [  276.893494]  [<c01474b0>] ? autoremove_wake_function+0x0/0x50
Oct 30 17:09:52 tkdlap2 kernel: [  276.893503]  [<c01474b0>] ? autoremove_wake_function+0x0/0x50
Oct 30 17:09:52 tkdlap2 kernel: [  276.893513]  [<c02548ca>] ? copy_from_user+0x3a/0x130
Oct 30 17:09:52 tkdlap2 kernel: [  276.893524]  [<c02edc15>] ? verify_iovec+0x35/0xb0
Oct 30 17:09:52 tkdlap2 kernel: [  276.893534]  [<c02e66f1>] sys_sendmsg+0x111/0x230
Oct 30 17:09:52 tkdlap2 kernel: [  276.893542]  [<c01b3578>] ? fput+0x8/0x30
Oct 30 17:09:52 tkdlap2 kernel: [  276.893551]  [<c02e6919>] ? sys_sendto+0xb9/0xd0
Oct 30 17:09:52 tkdlap2 kernel: [  276.893560]  [<c01ba9fa>] ? putname+0x2a/0x40
Oct 30 17:09:52 tkdlap2 kernel: [  276.893569]  [<c01ba9fa>] ? putname+0x2a/0x40
Oct 30 17:09:52 tkdlap2 kernel: [  276.893577]  [<c02549fb>] ? copy_to_user+0x3b/0x130
Oct 30 17:09:52 tkdlap2 kernel: [  276.893589]  [<c02e6edb>] sys_socketcall+0xeb/0x2d0
Oct 30 17:09:52 tkdlap2 kernel: [  276.893597]  [<c0103f7b>] sysenter_do_call+0x12/0x2f
Oct 30 17:09:52 tkdlap2 kernel: [  276.893606]  =======================
Oct 30 17:09:52 tkdlap2 kernel: [  276.893611] ---[ end trace e7daf9c45af949d8 ]---
Oct 30 17:09:52 tkdlap2 kernel: [  276.893726] ------------[ cut here ]------------
Oct 30 17:09:52 tkdlap2 NetworkManager: <info>  (wlan0): supplicant interface state change: 1 -> 2. 
Oct 30 17:09:52 tkdlap2 kernel: [  276.893733] WARNING: at /build/buildd/linux-backports-modules-2.6.27-2.6.27/debian/build/build-generic/compat-wireless-2.6/net/mac80211/main.c:232 ieee80211_hw_config+0x85/0x90 [lbm_cw_mac80211]()
Oct 30 17:09:52 tkdlap2 kernel: [  276.893744] Modules linked in: tun ipv6 af_packet i915 drm binfmt_misc rfcomm sco bridge stp bnep l2cap bluetooth ppdev acpi_cpufreq cpufreq_userspace cpufreq_stats cpufreq_conservative cpufreq_powersave cpufreq_ondemand freq_table wmi container pci_slot sbs sbshc iptable_filter ip_tables x_tables panasonic_acpi parport_pc lp parport loop joydev pcmcia snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm arc4 ecb crypto_blkcipher snd_seq_dummy pcspkr evdev snd_seq_oss snd_seq_midi snd_rawmidi iwlagn video serio_raw snd_seq_midi_event output tpm_infineon tpm tpm_bios iwlcore rfkill psmouse snd_seq led_class snd_timer snd_seq_device lbm_cw_mac80211 snd yenta_socket lbm_cw_cfg80211 rsrc_nonstatic sdhci_pci sdhci pcmcia_core mmc_core ac battery button soundcore iTCO_wdt iTCO_vendor_support snd_page_alloc intel_agp agpgart shpchp pci_hotplug ext3 jbd mbcache sd_mod crc_t10dif sg ata_piix pata_acpi ata_generic ahci libata scsi_mod dock sky2 ehci_hcd uhci_hcd usbcore thermal processor fan 
Oct 30 17:09:52 tkdlap2 kernel: bcon tileblit font bitblit softcursor fuse
Oct 30 17:09:52 tkdlap2 kernel: [  276.893947] Pid: 2778, comm: iwlagn Tainted: G        W 2.6.27-7-generic #1
Oct 30 17:09:52 tkdlap2 kernel: [  276.893954]  [<c037c406>] ? printk+0x1d/0x1f
Oct 30 17:09:52 tkdlap2 kernel: [  276.893964]  [<c0131de9>] warn_on_slowpath+0x59/0x90
Oct 30 17:09:52 tkdlap2 kernel: [  276.893978]  [<c025151a>] ? rb_insert_color+0xca/0x100
Oct 30 17:09:52 tkdlap2 kernel: [  276.893989]  [<c025151a>] ? rb_insert_color+0xca/0x100
Oct 30 17:09:52 tkdlap2 kernel: [  276.893998]  [<c014a72d>] ? enqueue_hrtimer+0x7d/0x130
Oct 30 17:09:52 tkdlap2 kernel: [  276.894009]  [<f8c0acce>] ? iwl_radio_kill_sw_enable_radio+0xe/0x140 [iwlcore]
Oct 30 17:09:52 tkdlap2 kernel: [  276.894032]  [<c037d3d8>] ? mutex_unlock+0x8/0x20
Oct 30 17:09:52 tkdlap2 kernel: [  276.894042]  [<f8c4ec3d>] ? iwl4965_mac_config+0x4d/0x2c0 [iwlagn]
Oct 30 17:09:52 tkdlap2 kernel: [  276.894061]  [<f8acac3e>] ? __lbm_cw_ieee80211_get_channel+0xe/0x80 [lbm_cw_cfg80211]
Oct 30 17:09:52 tkdlap2 kernel: [  276.894079]  [<f8bd4875>] ieee80211_hw_config+0x85/0x90 [lbm_cw_mac80211]
Oct 30 17:09:52 tkdlap2 kernel: [  276.894105]  [<f8beb17c>] ieee80211_set_freq+0x7c/0x80 [lbm_cw_mac80211]
Oct 30 17:09:52 tkdlap2 kernel: [  276.894136]  [<f8bdff0c>] ieee80211_sta_work+0x2fc/0x750 [lbm_cw_mac80211]
Oct 30 17:09:52 tkdlap2 kernel: [  276.894163]  [<c0102df6>] ? __switch_to+0xa6/0x160
Oct 30 17:09:52 tkdlap2 kernel: [  276.894175]  [<f8bdfc10>] ? ieee80211_sta_work+0x0/0x750 [lbm_cw_mac80211]
Oct 30 17:09:52 tkdlap2 kernel: [  276.894204]  [<c0143645>] run_workqueue+0x95/0x160
Oct 30 17:09:52 tkdlap2 kernel: [  276.894214]  [<c0147576>] ? finish_wait+0x16/0x70
Oct 30 17:09:52 tkdlap2 kernel: [  276.894223]  [<c01438e8>] worker_thread+0x88/0xf0
Oct 30 17:09:52 tkdlap2 kernel: [  276.894232]  [<c01474b0>] ? autoremove_wake_function+0x0/0x50
Oct 30 17:09:52 tkdlap2 kernel: [  276.894242]  [<c0143860>] ? worker_thread+0x0/0xf0
Oct 30 17:09:52 tkdlap2 kernel: [  276.894251]  [<c0147141>] kthread+0x41/0x80
Oct 30 17:09:52 tkdlap2 kernel: [  276.894260]  [<c0147100>] ? kthread+0x0/0x80
Oct 30 17:09:52 tkdlap2 kernel: [  276.894270]  [<c0105297>] kernel_thread_helper+0x7/0x10
Oct 30 17:09:52 tkdlap2 kernel: [  276.894279]  =======================
Oct 30 17:09:52 tkdlap2 kernel: [  276.894284] ---[ end trace e7daf9c45af949d8 ]---
Oct 30 17:09:52 tkdlap2 kernel: [  276.894291] wlan0: Failed to config new BSSID to the low-level driver
Oct 30 17:09:52 tkdlap2 kernel: [  276.894305] wlan0: direct probe to AP 00:12:7f:07:70:40 try 1
Oct 30 17:09:52 tkdlap2 kernel: [  276.894724] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Oct 30 17:09:52 tkdlap2 kernel: [  276.895000] wlan0: Failed to config new SSID to the low-level driver
Oct 30 17:09:52 tkdlap2 kernel: [  277.092092] wlan0: direct probe to AP 00:12:7f:07:70:40 try 2
Oct 30 17:09:53 tkdlap2 kernel: [  277.296070] wlan0: direct probe to AP 00:12:7f:07:70:40 try 3
Oct 30 17:09:53 tkdlap2 kernel: [  277.496051] wlan0: direct probe to AP 00:12:7f:07:70:40 timed out
Oct 30 17:11:13 tkdlap2 NetworkManager: <WARN>  nm_signal_handler(): Caught signal 15, shutting down normally. 
Oct 30 17:11:13 tkdlap2 NetworkManager: <info>  (wlan0): now unmanaged 
Oct 30 17:11:13 tkdlap2 NetworkManager: <info>  (wlan0): device state change: 3 -> 1 
Oct 30 17:11:13 tkdlap2 NetworkManager: <info>  (wlan0): cleaning up... 
Oct 30 17:11:13 tkdlap2 NetworkManager: <info>  (wlan0): taking down device. 
Oct 30 17:11:13 tkdlap2 kernel: [  357.997593] iwlagn 0000:03:00.0: PCI INT A disabled
Oct 30 17:11:13 tkdlap2 NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
Oct 30 17:11:14 tkdlap2 NetworkManager: <info>  starting... 
Oct 30 17:11:14 tkdlap2 NetworkManager: <info>  eth0: driver is 'sky2'. 
Oct 30 17:11:14 tkdlap2 NetworkManager: <info>  Found new Ethernet device 'eth0'.