The problem persists in the daily kernel build. However, I noticed that the error now only shows up if I'm connected to a 5.22 Ghz network. If I'm connected to a 2.4 Ghz network everything works fine. The previous kernel had some troubles when connecting to 2.4 Ghz networks. I tested this using an old router and my phone's hotspot function (both can only transmit in 2.4 Ghz).
Error in the log: Oct 17 21:45:41 ubuntu kernel: [ 360.167769] ------------[ cut here ]------------ Oct 17 21:45:41 ubuntu kernel: [ 360.167824] WARNING: at /home/kernel-ppa/COD/linux/net/mac80211/rx.c:2922 ieee80211_rx+0xc1/0x1e0 [mac80211]() Oct 17 21:45:41 ubuntu kernel: [ 360.167832] Hardware name: M11x R2 Oct 17 21:45:41 ubuntu kernel: [ 360.167836] Modules linked in: bnep rfcomm parport_pc ppdev binfmt_misc snd_hda_codec_hdmi snd_hda_codec_realtek bcma arc4 snd_hda_intel snd_hda_codec joydev brcmsmac(C) snd_hwdep snd_pcm nouveau i915 mac80211 snd_seq_midi snd_rawmidi snd_seq_midi_event uvcvideo snd_seq btusb ttm snd_timer brcmutil(C) videodev snd_seq_device bluetooth drm_kms_helper drm v4l2_compat_ioctl32 dell_wmi psmouse cfg80211 snd sparse_keymap soundcore serio_raw snd_page_alloc jmb38x_ms i2c_algo_bit memstick intel_ips mxm_wmi wmi video lp parport usbhid hid sdhci_pci sdhci ahci libahci firewire_ohci atl1c firewire_core crc_itu_t Oct 17 21:45:41 ubuntu kernel: [ 360.167966] Pid: 0, comm: kworker/0:1 Tainted: G WC 3.1.0-999-generic #201110171146 Oct 17 21:45:41 ubuntu kernel: [ 360.167973] Call Trace: Oct 17 21:45:41 ubuntu kernel: [ 360.167977] <IRQ> [<ffffffffa023ea01>] ? ieee80211_rx+0xc1/0x1e0 [mac80211] Oct 17 21:45:41 ubuntu kernel: [ 360.168029] [<ffffffff810660b0>] warn_slowpath_common+0x90/0xc0 Oct 17 21:45:41 ubuntu kernel: [ 360.168040] [<ffffffff810660fa>] warn_slowpath_null+0x1a/0x20 Oct 17 21:45:41 ubuntu kernel: [ 360.168071] [<ffffffffa023ea01>] ieee80211_rx+0xc1/0x1e0 [mac80211] Oct 17 21:45:41 ubuntu kernel: [ 360.168094] [<ffffffffa02238ef>] ieee80211_tasklet_handler+0x7f/0xb0 [mac80211] Oct 17 21:45:41 ubuntu kernel: [ 360.168107] [<ffffffff8106d89a>] tasklet_action+0x6a/0x110 Oct 17 21:45:41 ubuntu kernel: [ 360.168117] [<ffffffff8106cdf2>] __do_softirq+0xb2/0x1c0 Oct 17 21:45:41 ubuntu kernel: [ 360.168131] [<ffffffff816003ac>] call_softirq+0x1c/0x30 Oct 17 21:45:41 ubuntu kernel: [ 360.168143] [<ffffffff81015265>] do_softirq+0x65/0xa0 Oct 17 21:45:41 ubuntu kernel: [ 360.168153] [<ffffffff8106d80e>] irq_exit+0x8e/0xb0 Oct 17 21:45:41 ubuntu kernel: [ 360.168162] [<ffffffff81600c69>] do_IRQ+0x69/0xe0 Oct 17 21:45:41 ubuntu kernel: [ 360.168174] [<ffffffff815f5e2e>] common_interrupt+0x6e/0x6e Oct 17 21:45:41 ubuntu kernel: [ 360.168179] <EOI> [<ffffffff8135a0d3>] ? intel_idle+0xc3/0x120 Oct 17 21:45:41 ubuntu kernel: [ 360.168197] [<ffffffff8135a0b9>] ? intel_idle+0xa9/0x120 Oct 17 21:45:41 ubuntu kernel: [ 360.168209] [<ffffffff814c0a9e>] cpuidle_idle_call+0xde/0x1a0 Oct 17 21:45:41 ubuntu kernel: [ 360.168219] [<ffffffff810127b7>] cpu_idle+0xc7/0x100 Oct 17 21:45:41 ubuntu kernel: [ 360.168231] [<ffffffff815eedb7>] ? setup_APIC_timer+0x87/0x90 Oct 17 21:45:41 ubuntu kernel: [ 360.168240] [<ffffffff815ee8f0>] start_secondary+0xf0/0x100 Oct 17 21:45:41 ubuntu kernel: [ 360.168248] ---[ end trace 2c8f8d64c345b2bd ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/876231 Title: very frequent warnings in kernel log with BCM43224 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/876231/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs