Comment 11 for bug 522545

new dmesg output is:

[ 185.692298] iwlagn 0000:05:00.0: RF_KILL bit toggled to disable radio.
[ 185.696052] BUG: scheduling while atomic: swapper/0/0x10010000
[ 185.696058] Modules linked in: binfmt_misc ppdev kvm_intel kvm snd_hda_codec_atihdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_usb_audio snd_pcm_oss snd_mixer_oss snd_usb_lib snd_pcm arc4 snd_seq_dummy snd_hwdep snd_seq_oss snd_seq_midi fbcon tileblit font snd_rawmidi bitblit snd_seq_midi_event snd_seq iwlagn softcursor snd_timer iwlcore uvcvideo joydev sdhci_pci dell_wmi snd_seq_device mac80211 videodev v4l1_compat sdhci psmouse video vga16fb snd dell_laptop cfg80211 snd_page_alloc soundcore vgastate serio_raw led_class output v4l2_compat_ioctl32 usbhid hid dcdbas lp parport ahci r8169 mii
[ 185.696135] CPU 3:
[ 185.696138] Modules linked in: binfmt_misc ppdev kvm_intel kvm snd_hda_codec_atihdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_usb_audio snd_pcm_oss snd_mixer_oss snd_usb_lib snd_pcm arc4 snd_seq_dummy snd_hwdep snd_seq_oss snd_seq_midi fbcon tileblit font snd_rawmidi bitblit snd_seq_midi_event snd_seq iwlagn softcursor snd_timer iwlcore uvcvideo joydev sdhci_pci dell_wmi snd_seq_device mac80211 videodev v4l1_compat sdhci psmouse video vga16fb snd dell_laptop cfg80211 snd_page_alloc soundcore vgastate serio_raw led_class output v4l2_compat_ioctl32 usbhid hid dcdbas lp parport ahci r8169 mii
[ 185.696210] Pid: 0, comm: swapper Tainted: G W 2.6.32-20-generic #29-Ubuntu Studio 1557
[ 185.696215] RIP: 0010:[<ffffffff8130cf5b>] [<ffffffff8130cf5b>] acpi_idle_enter_c1+0xa3/0xc1
[ 185.696229] RSP: 0018:ffff880133b2fea8 EFLAGS: 00000202
[ 185.696233] RAX: 0000000000000000 RBX: ffff880133b2fee8 RCX: 0000000000000000
[ 185.696238] RDX: 00000000000001c7 RSI: 0000000000000000 RDI: 000000000006f3ca
[ 185.696243] RBP: ffffffff81013b0e R08: 0000000000000002 R09: 0000000000000a87
[ 185.696247] R10: 0000000000000000 R11: 00000000ffffd339 R12: 00000000ffffd379
[ 185.696252] R13: ffff8800282d5bc0 R14: ffffffff81088733 R15: ffff880133b2fe38
[ 185.696257] FS: 0000000000000000(0000) GS:ffff8800282c0000(0000) knlGS:0000000000000000
[ 185.696262] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[ 185.696267] CR2: 00007fdb4415c4f0 CR3: 000000009248f000 CR4: 00000000000026e0
[ 185.696271] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 185.696276] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 185.696280] Call Trace:
[ 185.696288] [<ffffffff8130cf3a>] ? acpi_idle_enter_c1+0x82/0xc1
[ 185.696298] [<ffffffff81437617>] ? cpuidle_idle_call+0xa7/0x140
[ 185.696307] [<ffffffff81011e73>] ? cpu_idle+0xb3/0x110
[ 185.696314] [<ffffffff8153ae7b>] ? start_secondary+0xa8/0xaa