** Description changed: Binary package hint: linux-source-2.6.27 I saw a "BUG:scheduling while atomic: swapper/0/0x00000100" and then lots of "bad: scheduling from the idle thread" in dmesg Kernel: - linux-image-2.6.24-21-generic Version: 2.6.24-21.43 + Linux titan 2.6.27-7-generic #1 SMP Thu Oct 30 04:18:38 UTC 2008 i686 GNU/Linux + linux-image-2.6.27-7-generic 2.6.27-7.15 - Hardware is Lenovo T500 + Hardware: + is Lenovo T500 with "03:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100" Core2 Duo CPU T9400 2 GB RAM Happened while heavy wireless usage (downloading several files at once in firefox) relevant kern.log: Oct 31 21:41:15 titan kernel: [ 3059.320510] hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x001f000a Oct 31 22:59:16 titan kernel: [ 7740.458254] BUG: scheduling while atomic: swapper/0/0x00000100 Oct 31 22:59:16 titan kernel: [ 7740.458273] Modules linked in: af_packet i915 drm binfmt_misc rfcomm bridge stp bnep sco l2cap ppdev ipv6 acpi_cpufreq cpufreq_ondemand cpufreq_userspace cpufreq_stats cpufreq_conservative cpufreq_powersave freq_table container pci_slot sbs sbshc iptable_filter ip_tables x_tables btusb bluetooth sbp2 parport_pc lp parport loop joydev pcmcia thinkpad_acpi arc4 nvram ecb psmouse evdev serio_raw pcspkr iwlagn iwlcore rfkill sdhci_pci ricoh_mmc led_class sdhci mmc_core ac battery mac80211 yenta_socket rsrc_nonstatic pcmcia_core video output cfg80211 snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm wmi snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device button intel_agp snd agpgart soundcore snd_page_alloc shpchp pci_hotplug ext3 jbd mbcache sha256_generic aes_i586 aes_generic cbc sd_mod crc_t10dif sr_mod cdrom sg ata_generic ohci1394 ieee1394 ahci uhci_hcd ehci_hcd usbcore pata_acpi e1000e libata scsi_mod dock dm_crypt dm_mod crypto Oct 31 22:59:16 titan kernel: blkcipher thermal processor fan fbcon tileblit font bitblit softcursor fuse Oct 31 22:59:16 titan kernel: [ 7740.458497] Oct 31 22:59:16 titan kernel: [ 7740.458504] Pid: 0, comm: swapper Not tainted (2.6.27-7-generic #1) Oct 31 22:59:16 titan kernel: [ 7740.458511] EIP: 0060:[<f8876800>] EFLAGS: 00000246 CPU: 0 Oct 31 22:59:16 titan kernel: [ 7740.458529] EIP is at acpi_idle_enter_bm+0x268/0x2b7 [processor] Oct 31 22:59:16 titan kernel: [ 7740.458535] EAX: c0510760 EBX: 00000414 ECX: 00000000 EDX: 01c8a000 Oct 31 22:59:16 titan kernel: [ 7740.458541] ESI: 00000000 EDI: 0005beaa EBP: c04a7f90 ESP: c04a7f74 Oct 31 22:59:16 titan kernel: [ 7740.458547] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Oct 31 22:59:16 titan kernel: [ 7740.458552] CR0: 8005003b CR2: 0c590000 CR3: 00515000 CR4: 00000690 Oct 31 22:59:16 titan kernel: [ 7740.458558] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 Oct 31 22:59:16 titan kernel: [ 7740.458563] DR6: ffff0ff0 DR7: 00000400 Oct 31 22:59:16 titan kernel: [ 7740.458569] [<c02dbf7b>] cpuidle_idle_call+0x7b/0xd0 Oct 31 22:59:16 titan kernel: [ 7740.458581] [<c010288d>] cpu_idle+0x7d/0x140 Oct 31 22:59:16 titan kernel: [ 7740.458589] [<c036edd3>] rest_init+0x53/0x60 Oct 31 22:59:16 titan kernel: [ 7740.458600] ======================= Oct 31 22:59:16 titan kernel: [ 7740.458606] bad: scheduling from the idle thread! Oct 31 22:59:16 titan kernel: [ 7740.458612] Pid: 0, comm: swapper Not tainted 2.6.27-7-generic #1 Oct 31 22:59:16 titan kernel: [ 7740.458617] [<c037c406>] ? printk+0x1d/0x1f Oct 31 22:59:16 titan kernel: [ 7740.458627] [<c0122b8a>] dequeue_task_idle+0x2a/0x40 Oct 31 22:59:16 titan kernel: [ 7740.458635] [<c012107f>] dequeue_task+0xcf/0x130 Oct 31 22:59:16 titan kernel: [ 7740.458645] [<c012112a>] deactivate_task+0x1a/0x30 Oct 31 22:59:16 titan kernel: [ 7740.458653] [<c037ca23>] schedule+0x4b3/0x790 Oct 31 22:59:16 titan kernel: [ 7740.458662] [<c012b6ab>] ? default_wake_function+0xb/0x10 Oct 31 22:59:16 titan kernel: [ 7740.458672] [<c037e511>] ? _spin_lock_irqsave+0x31/0x40 Oct 31 22:59:16 titan kernel: [ 7740.458681] [<c013c91c>] ? __mod_timer+0xac/0xf0 Oct 31 22:59:16 titan kernel: [ 7740.458692] [<c037d0a4>] schedule_timeout+0x84/0xf0 Oct 31 22:59:16 titan kernel: [ 7740.458699] [<c013c260>] ? process_timeout+0x0/0x10 Oct 31 22:59:16 titan kernel: [ 7740.458708] [<c037d09f>] ? schedule_timeout+0x7f/0xf0 Oct 31 22:59:16 titan kernel: [ 7740.458717] [<c037d12a>] schedule_timeout_uninterruptible+0x1a/0x20 Oct 31 22:59:16 titan kernel: [ 7740.458725] [<c013c97d>] msleep+0x1d/0x30 Oct 31 22:59:16 titan kernel: [ 7740.458736] [<f8e6bceb>] iwl_scan_cancel_timeout+0x4b/0x80 [iwlcore] Oct 31 22:59:16 titan kernel: [ 7740.458759] [<f8e45eb2>] iwl4965_mac_update_tkip_key+0x32/0xe0 [iwlagn] Oct 31 22:59:16 titan kernel: [ 7740.458776] [<f8eec10e>] ? tkip_mixing_phase1+0xe/0x140 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.458812] [<f8eec59c>] ieee80211_tkip_decrypt_data+0x16c/0x210 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.458845] [<f8ee3013>] ieee80211_crypto_tkip_decrypt+0xd3/0x120 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.458874] [<f8eee667>] ieee80211_rx_h_decrypt+0x187/0x1a0 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.458902] [<f8ef0657>] ieee80211_invoke_rx_handlers+0xe7/0x2a0 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.458930] [<f8ef010c>] __ieee80211_rx_handle_packet+0x21c/0x320 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.458957] [<c014b79e>] ? ktime_get+0x1e/0x40 Oct 31 22:59:16 titan kernel: [ 7740.458969] [<f8ef08c9>] __ieee80211_rx+0xb9/0x1c0 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.458998] [<f8edf316>] ieee80211_tasklet_handler+0xf6/0x120 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.459024] [<c0137258>] tasklet_action+0x78/0x100 Oct 31 22:59:16 titan kernel: [ 7740.459032] [<c0137682>] __do_softirq+0x92/0x120 Oct 31 22:59:16 titan kernel: [ 7740.459040] [<c013776d>] do_softirq+0x5d/0x60 Oct 31 22:59:16 titan kernel: [ 7740.459047] [<c01378e5>] irq_exit+0x55/0x90 Oct 31 22:59:16 titan kernel: [ 7740.459054] [<c0106c1a>] do_IRQ+0x4a/0x80 Oct 31 22:59:16 titan kernel: [ 7740.459063] [<c0105003>] common_interrupt+0x23/0x30 Oct 31 22:59:16 titan kernel: [ 7740.459071] [<c01700d8>] ? __audit_mq_getsetattr+0x68/0xb0 Oct 31 22:59:16 titan kernel: [ 7740.459086] [<f8876800>] ? acpi_idle_enter_bm+0x268/0x2b7 [processor] Oct 31 22:59:16 titan kernel: [ 7740.459104] [<c02dbf7b>] cpuidle_idle_call+0x7b/0xd0 Oct 31 22:59:16 titan kernel: [ 7740.459112] [<c010288d>] cpu_idle+0x7d/0x140 Oct 31 22:59:16 titan kernel: [ 7740.459119] [<c036edd3>] rest_init+0x53/0x60 Oct 31 22:59:16 titan kernel: [ 7740.459128] ======================= Oct 31 22:59:16 titan kernel: [ 7740.464015] bad: scheduling from the idle thread! Oct 31 22:59:16 titan kernel: [ 7740.464015] Pid: 0, comm: swapper Not tainted 2.6.27-7-generic #1 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c037c406>] ? printk+0x1d/0x1f Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c0122b8a>] dequeue_task_idle+0x2a/0x40 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c012107f>] dequeue_task+0xcf/0x130 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c012112a>] deactivate_task+0x1a/0x30 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c037ca23>] schedule+0x4b3/0x790 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c012b6ab>] ? default_wake_function+0xb/0x10 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c037d0a4>] schedule_timeout+0x84/0xf0 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c013c260>] ? process_timeout+0x0/0x10 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c037d09f>] ? schedule_timeout+0x7f/0xf0 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c037d12a>] schedule_timeout_uninterruptible+0x1a/0x20 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c013c97d>] msleep+0x1d/0x30 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8e6bceb>] iwl_scan_cancel_timeout+0x4b/0x80 [iwlcore] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8e45eb2>] iwl4965_mac_update_tkip_key+0x32/0xe0 [iwlagn] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8eec10e>] ? tkip_mixing_phase1+0xe/0x140 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8eec59c>] ieee80211_tkip_decrypt_data+0x16c/0x210 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8ee3013>] ieee80211_crypto_tkip_decrypt+0xd3/0x120 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8eee667>] ieee80211_rx_h_decrypt+0x187/0x1a0 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8ef0657>] ieee80211_invoke_rx_handlers+0xe7/0x2a0 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8ef010c>] __ieee80211_rx_handle_packet+0x21c/0x320 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c014b79e>] ? ktime_get+0x1e/0x40 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8ef08c9>] __ieee80211_rx+0xb9/0x1c0 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8edf316>] ieee80211_tasklet_handler+0xf6/0x120 [mac80211] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c0137258>] tasklet_action+0x78/0x100 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c0137682>] __do_softirq+0x92/0x120 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c013776d>] do_softirq+0x5d/0x60 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c01378e5>] irq_exit+0x55/0x90 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c0106c1a>] do_IRQ+0x4a/0x80 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c0105003>] common_interrupt+0x23/0x30 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c01700d8>] ? __audit_mq_getsetattr+0x68/0xb0 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<f8876800>] ? acpi_idle_enter_bm+0x268/0x2b7 [processor] Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c02dbf7b>] cpuidle_idle_call+0x7b/0xd0 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c010288d>] cpu_idle+0x7d/0x140 Oct 31 22:59:16 titan kernel: [ 7740.464015] [<c036edd3>] rest_init+0x53/0x60 Oct 31 22:59:16 titan kernel: [ 7740.464015] ======================= Oct 31 22:59:16 titan kernel: [ 7740.601541] bad: scheduling from the idle thread! Oct 31 22:59:16 titan kernel: [ 7740.601557] Pid: 0, comm: swapper Not tainted 2.6.27-7-generic #1 Oct 31 22:59:16 titan kernel: [ 7740.601563] [<c037c406>] ? printk+0x1d/0x1f Oct 31 22:59:16 titan kernel: [ 7740.601577] [<c0122b8a>] dequeue_task_idle+0x2a/0x40 Oct 31 22:59:16 titan kernel: [ 7740.601585] [<c012107f>] dequeue_task+0xcf/0x130 Oct 31 22:59:16 titan kernel: [ 7740.601594] [<c012112a>] deactivate_task+0x1a/0x30 Oct 31 22:59:16 titan kernel: [ 7740.601602] [<c037ca23>] schedule+0x4b3/0x790 Oct 31 22:59:16 titan kernel: [ 7740.601670] [<c0380ff5>] ? notifier_call_chain+0x35/0x70 Oct 31 22:59:16 titan kernel: [ 7740.601681] [<c0151b55>] ? clockevents_notify+0x35/0x80 Oct 31 22:59:16 titan kernel: [ 7740.601700] [<f8875a43>] ? ticks_elapsed_in_us+0xb/0x4d [processor] Oct 31 22:59:16 titan kernel: [ 7740.601720] [<f88762d7>] ? acpi_state_timer_broadcast+0x36/0x39 [processor] Oct 31 22:59:16 titan kernel: [ 7740.601736] [<c0153d82>] ? tick_nohz_stop_idle+0x12/0x70 Oct 31 22:59:16 titan kernel: [ 7740.601746] [<c0153e15>] ? tick_nohz_restart_sched_tick+0x35/0x180 Oct 31 22:59:16 titan kernel: [ 7740.601756] [<c01028cd>] cpu_idle+0xbd/0x140 Oct 31 22:59:16 titan kernel: [ 7740.601763] [<c036edd3>] rest_init+0x53/0x60 Oct 31 22:59:16 titan kernel: [ 7740.601773] ======================= Oct 31 22:59:16 titan kernel: [ 7740.606620] bad: scheduling from the idle thread! Oct 31 22:59:16 titan kernel: [ 7740.606625] Pid: 0, comm: swapper Not tainted 2.6.27-7-generic #1 Oct 31 22:59:16 titan kernel: [ 7740.606627] [<c037c406>] ? printk+0x1d/0x1f Oct 31 22:59:16 titan kernel: [ 7740.606631] [<c0122b8a>] dequeue_task_idle+0x2a/0x40 Oct 31 22:59:16 titan kernel: [ 7740.606634] [<c012107f>] dequeue_task+0xcf/0x130 Oct 31 22:59:16 titan kernel: [ 7740.606637] [<c012112a>] deactivate_task+0x1a/0x30 Oct 31 22:59:16 titan kernel: [ 7740.606640] [<c037ca23>] schedule+0x4b3/0x790 Oct 31 22:59:16 titan kernel: [ 7740.606643] [<c0380ff5>] ? notifier_call_chain+0x35/0x70 Oct 31 22:59:16 titan kernel: [ 7740.606646] [<c0151b55>] ? clockevents_notify+0x35/0x80 Oct 31 22:59:16 titan kernel: [ 7740.606649] [<c01028cd>] cpu_idle+0xbd/0x140 Oct 31 22:59:16 titan kernel: [ 7740.606652] [<c036edd3>] rest_init+0x53/0x60 Oct 31 22:59:16 titan kernel: [ 7740.606655] =======================
-- BUG: scheduling while atomic: swapper/0/0x00000100 https://bugs.launchpad.net/bugs/291832 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
