Public bug reported: The kernel spits out the following: [ 518.240111] ------------[ cut here ]------------ [ 518.240138] WARNING: at /build/buildd/linux-3.2.0/net/wireless/sme.c:586 __cfg80211_roamed+0x243/0x260 [cfg80211]() [ 518.240146] Hardware name: HP Compaq 6720s [ 518.240148] Modules linked in: michael_mic arc4 dm_crypt bnep bluetooth parport_pc nfsd lib80211_crypt_tkip ppdev nfs lockd wl(P) fscache auth_rpcgss binfmt_misc nfs_acl sunrpc snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event hp_wmi joydev sparse_keymap snd_seq snd_timer snd_seq_device cfg80211 snd soundcore psmouse snd_page_alloc serio_raw lib80211 mac_hid lp parport i915 drm_kms_helper drm e1000e i2c_algo_bit wmi video [ 518.240189] Pid: 5, comm: kworker/u:0 Tainted: P W O 3.2.0-36-generic #57-Ubuntu [ 518.240192] Call Trace: [ 518.240202] [<ffffffff81067f0f>] warn_slowpath_common+0x7f/0xc0 [ 518.240206] [<ffffffff81067f6a>] warn_slowpath_null+0x1a/0x20 [ 518.240216] [<ffffffffa01823d3>] __cfg80211_roamed+0x243/0x260 [cfg80211] [ 518.240226] [<ffffffffa0168ea2>] cfg80211_process_wdev_events+0x1b2/0x1e0 [cfg80211] [ 518.240234] [<ffffffffa01661e0>] ? wiphy_unregister+0x1d0/0x1d0 [cfg80211] [ 518.240242] [<ffffffffa0168f20>] cfg80211_process_rdev_events+0x50/0x90 [cfg80211] [ 518.240250] [<ffffffffa0166215>] cfg80211_event_work+0x35/0x60 [cfg80211] [ 518.240260] [<ffffffff81085c3a>] process_one_work+0x11a/0x480 [ 518.240265] [<ffffffff810869f4>] worker_thread+0x164/0x370 [ 518.240269] [<ffffffff81086890>] ? manage_workers.isra.31+0x130/0x130 [ 518.240274] [<ffffffff8108b27c>] kthread+0x8c/0xa0 [ 518.240279] [<ffffffff81667b74>] kernel_thread_helper+0x4/0x10 [ 518.240283] [<ffffffff8108b1f0>] ? flush_kthread_worker+0xa0/0xa0 [ 518.240287] [<ffffffff81667b70>] ? gs_change+0x13/0x13 [ 518.240289] ---[ end trace 85de0d28e5b81592 ]--- [ 519.772023] ------------[ cut here ]------------
Ubuntu release: Description: Ubuntu 12.04.2 LTS Release: 12.04 This same bug also occurs on Linux 3.2.0-37-generic, but I booted the previous kernel to check whether this crash would still occur. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: wireless-regdb 2011.04.28-1ubuntu3 ProcVersionSignature: Ubuntu 3.2.0-36.57-generic 3.2.35 Uname: Linux 3.2.0-36-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.0.1-0ubuntu17.1 Architecture: amd64 Date: Sun Feb 10 13:29:18 2013 Dependencies: InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101008) MarkForUpload: True PackageArchitecture: all ProcEnviron: LANGUAGE= PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: wireless-regdb UpgradeStatus: Upgraded to precise on 2012-04-27 (288 days ago) ** Affects: wireless-regdb (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1121137 Title: Wireless driver crash on HP Compaq 6720s laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/wireless-regdb/+bug/1121137/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs