BUG: scheduling while atomic: swapper/0/0x10010000 Modules linked in: cbc cryptd aes_x86_64 aes_generic binfmt_misc ppdev snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi pcmcia snd_seq_midi_event arc4 snd_seq ecb dell_wmi iptable_filter yenta_socket snd_timer iwl3945 rsrc_nonstatic snd_seq_device ip_tables dell_laptop iwlcore pcmcia_core x_tables joydev snd dcdbas option mac80211 led_class lp parport usbserial psmouse soundcore serio_raw dm_crypt snd_page_alloc cfg80211 fbcon tileblit font bitblit softcursor ohci1394 tg3 ieee1394 i915 drm i2c_algo_bit video output intel_agp CPU 1: Modules linked in: cbc cryptd aes_x86_64 aes_generic binfmt_misc ppdev snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi pcmcia snd_seq_midi_event arc4 snd_seq ecb dell_wmi iptable_filter yenta_socket snd_timer iwl3945 rsrc_nonstatic snd_seq_device ip_tables dell_laptop iwlcore pcmcia_core x_tables joydev snd dcdbas option mac80211 led_class lp parport usbserial psmouse soundcore serio_raw dm_crypt snd_page_alloc cfg80211 fbcon tileblit font bitblit softcursor ohci1394 tg3 ieee1394 i915 drm i2c_algo_bit video output intel_agp Pid: 0, comm: swapper Not tainted 2.6.31-14-generic #48-Ubuntu Latitude D630 RIP: 0010:[] [] acpi_idle_enter_bm+0x28b/0x2bf RSP: 0018:ffff88007d39fe98 EFLAGS: 00000283 RAX: 00000000000103f0 RBX: ffff88007d39fee8 RCX: 0000000000000000 RDX: ffff880001a12000 RSI: 00000015dc043a73 RDI: ffff880001a28240 RBP: ffffffff81012a0e R08: ffffffffff5edaa1 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000333a R13: ffff88007d39fe38 R14: ffffffff81082147 R15: ffff88007d39fe08 FS: 0000000000000000(0000) GS:ffff880001a12000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00000000049e9748 CR3: 000000007b906000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: [] ? acpi_idle_enter_bm+0x284/0x2bf [] ? cpuidle_idle_call+0x9b/0xf0 [] ? cpu_idle+0xb2/0x100 [] ? start_secondary+0xa9/0xab