Same here using a Dell Latitude E6400 with an nvidia quadro 160M and an Intel
WiFi 5100.
Bug always happen under heavy use of WPA wifi network.
Nov 1 22:04:09 ithil kernel: [ 2042.313640] BUG: scheduling while atomic:
swapper/0/0x00000100
Nov 1 22:04:09 ithil kernel: [ 2042.313656] Modules linked in: ipv6 af_packet
sco rfcomm bridge stp bnep l2cap bluetooth ppdev sbs sbshc container pci_slot
acpi_cpufreq cpufreq_powersave cpufreq_userspace cpufreq_stats
cpufreq_conservative cpufreq_ondemand freq_table iptable_filter ip_tables
x_tables sbp2 parport_pc lp parport arc4 ecb joydev crypto_blkcipher iwlagn
iwlcore snd_hda_intel rfkill snd_pcm_oss led_class snd_mixer_oss dcdbas
serio_raw mac80211 evdev snd_pcm psmouse snd_seq_dummy cfg80211 snd_seq_oss
pcspkr nvidia(P) snd_seq_midi i2c_core sdhci_pci video snd_rawmidi output sdhci
snd_seq_midi_event mmc_core wmi ricoh_mmc snd_seq battery button ac snd_timer
snd_seq_device snd soundcore intel_agp agpgart snd_page_alloc shpchp
pci_hotplug ext3 jbd mbcache sr_mod cdrom sd_mod crc_t10dif sg usbhid hid ahci
libata scsi_mod dock ohci1394 uhci_hcd ehci_hcd ieee1394 e1000e usbcore thermal
processor fan fbcon tileblit font bitblit softcursor fuse
Nov 1 22:04:09 ithil kernel: [ 2042.313848]
Nov 1 22:04:09 ithil kernel: [ 2042.313855] Pid: 0, comm: swapper Tainted: P
(2.6.27-7-generic #1)
Nov 1 22:04:09 ithil kernel: [ 2042.313861] EIP: 0060:[<f885e800>] EFLAGS:
00000246 CPU: 1
Nov 1 22:04:09 ithil kernel: [ 2042.313878] EIP is at
acpi_idle_enter_bm+0x268/0x2b7 [processor]
Nov 1 22:04:09 ithil kernel: [ 2042.313885] EAX: c0510760 EBX: 00000415 ECX:
00000000 EDX: 013f2000
Nov 1 22:04:09 ithil kernel: [ 2042.313890] ESI: 00000000 EDI: 0094f86a EBP:
f7477f80 ESP: f7477f64
Nov 1 22:04:09 ithil kernel: [ 2042.313895] DS: 007b ES: 007b FS: 00d8 GS:
0000 SS: 0068
Nov 1 22:04:09 ithil kernel: [ 2042.313901] CR0: 8005003b CR2: b6d13000 CR3:
00515000 CR4: 00000690
Nov 1 22:04:09 ithil kernel: [ 2042.313906] DR0: 00000000 DR1: 00000000 DR2:
00000000 DR3: 00000000
Nov 1 22:04:09 ithil kernel: [ 2042.313911] DR6: ffff0ff0 DR7: 00000400
Nov 1 22:04:09 ithil kernel: [ 2042.313917] [<c02dbf7b>]
cpuidle_idle_call+0x7b/0xd0
Nov 1 22:04:09 ithil kernel: [ 2042.313930] [<c010288d>] cpu_idle+0x7d/0x140
Nov 1 22:04:09 ithil kernel: [ 2042.313939] [<c037a661>]
start_secondary+0x9d/0xcc
Nov 1 22:04:09 ithil kernel: [ 2042.313952] =======================
Nov 1 22:04:09 ithil kernel: [ 2042.313957] bad: scheduling from the idle
thread!
Nov 1 22:04:09 ithil kernel: [ 2042.313964] Pid: 0, comm: swapper Tainted: P
2.6.27-7-generic #1
Nov 1 22:04:09 ithil kernel: [ 2042.313971] [<c037c406>] ? printk+0x1d/0x1f
Nov 1 22:04:09 ithil kernel: [ 2042.313980] [<c0122b8a>]
dequeue_task_idle+0x2a/0x40
Nov 1 22:04:09 ithil kernel: [ 2042.313988] [<c012107f>]
dequeue_task+0xcf/0x130
Nov 1 22:04:09 ithil kernel: [ 2042.313998] [<c012112a>]
deactivate_task+0x1a/0x30
Nov 1 22:04:09 ithil kernel: [ 2042.314006] [<c037ca23>] schedule+0x4b3/0x790
Nov 1 22:04:09 ithil kernel: [ 2042.314015] [<c012b6ab>] ?
default_wake_function+0xb/0x10
Nov 1 22:04:09 ithil kernel: [ 2042.314025] [<c037e511>] ?
_spin_lock_irqsave+0x31/0x40
Nov 1 22:04:09 ithil kernel: [ 2042.314034] [<c013c91c>] ?
__mod_timer+0xac/0xf0
Nov 1 22:04:09 ithil kernel: [ 2042.314044] [<c037d0a4>]
schedule_timeout+0x84/0xf0
Nov 1 22:04:09 ithil kernel: [ 2042.314052] [<c013c260>] ?
process_timeout+0x0/0x10
Nov 1 22:04:09 ithil kernel: [ 2042.314061] [<c037d09f>] ?
schedule_timeout+0x7f/0xf0
Nov 1 22:04:09 ithil kernel: [ 2042.314070] [<c037d12a>]
schedule_timeout_uninterruptible+0x1a/0x20
Nov 1 22:04:09 ithil kernel: [ 2042.314078] [<c013c97d>] msleep+0x1d/0x30
Nov 1 22:04:09 ithil kernel: [ 2042.314087] [<f8c20ceb>]
iwl_scan_cancel_timeout+0x4b/0x80 [iwlcore]
Nov 1 22:04:09 ithil kernel: [ 2042.314109] [<f8b99eb2>]
iwl4965_mac_update_tkip_key+0x32/0xe0 [iwlagn]
Nov 1 22:04:09 ithil kernel: [ 2042.314125] [<f8bdf10e>] ?
tkip_mixing_phase1+0xe/0x140 [mac80211]
Nov 1 22:04:09 ithil kernel: [ 2042.314157] [<f8bdf59c>]
ieee80211_tkip_decrypt_data+0x16c/0x210 [mac80211]
Nov 1 22:04:09 ithil kernel: [ 2042.314188] [<c014e63b>] ?
getnstimeofday+0x4b/0x100
Nov 1 22:04:09 ithil kernel: [ 2042.314199] [<c0136976>] ?
set_normalized_timespec+0x16/0x90
.
.
.
--
kernel 2.6.27-7-generic bug BUG: scheduling while atomic: swapper/0/0x00000100
https://bugs.launchpad.net/bugs/286285
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