Losing some ticks... checking if CPU frequency changed. Unable to handle kernel NULL pointer dereference at 0000000000000024 RIP: {query_current_values_with_pending_wait+60} PGD 31f63067 PUD 31f4c067 PMD 0 Oops: 0002 [1] SMP CPU 1 Modules linked in: md5 ipv6 parport_pc lp parport autofs4 rfcomm l2cap bluetooth sunrpc pcmcia yenta_socket rsrc_nonstatic pcmcia_core video button battery ac ohci_hcd ehci_hcd nvidia(U) i2c_nforce2 i2c_core shpchp snd_intel8x0 snd_ac97_codec snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc forcedeth floppy dm_snapshot dm_zero dm_mirror ext3 jbd dm_mod sata_nv libata sd_mod scsi_mod Pid: 8, comm: events/0 Tainted: P 2.6.11-1.1369_FC4smp RIP: 0010:[] {query_current_values_with_pending_wait+60} RSP: 0018:ffff810037c07dc8 EFLAGS: 00010206 RAX: 000000000000000e RBX: 0000000000000000 RCX: 00000000c0010042 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff810037c06000 R09: 0000000000000001 R10: 0000000000000000 R11: 00000000ffffffff R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000292 R15: ffffffff80112950 FS: 00002aaaaaaeba00(0000) GS:ffffffff80510700(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000024 CR3: 0000000031d13000 CR4: 00000000000006e0 Process events/0 (pid: 8, threadinfo ffff810037c06000, task ffff81003fdac840) Stack: 0000000000000000 ffffffff8011e0b1 0000000000000001 ffff81003e482e00 ffff81003e482e30 ffffffff802e7d03 0000000000000000 0000000000000003 0000000000000001 0000000000000020 Call Trace:{powernowk8_get+129} {cpufreq_get+115} {handle_cpufreq_delayed_get+58} {worker_thread+476} {default_wake_function+0} {__wake_up_common+67} {worker_thread+0} {kthread+217} {schedule_tail+64} {child_rip+8} {kthread+0} {child_rip+0} Code: 89 47 24 89 57 20 31 c0 48 83 c4 08 c3 66 66 66 90 66 66 90 RIP {query_current_values_with_pending_wait+60} RSP CR2: 0000000000000024 <3>Debug: sleeping function called from invalid context at include/linux/rwsem.h:43 in_atomic():0, irqs_disabled():1 Call Trace:{profile_task_exit+21} {do_exit+34} {do_unblank_screen+137} {do_page_fault+1926} {thread_return+0} {thread_return+82} {activate_task+141} {handle_cpufreq_delayed_get+0} {error_exit+0} {handle_cpufreq_delayed_get+0} {query_current_values_with_pending_wait+60} {powernowk8_get+129} {cpufreq_get+115} {handle_cpufreq_delayed_get+58} {worker_thread+476} {default_wake_function+0} {__wake_up_common+67} {worker_thread+0} {kthread+217} {schedule_tail+64} {child_rip+8} {kthread+0} {child_rip+0} warning: many lost ticks. Your time source seems to be instable or some driver is hogging interupts rip default_idle+0x22/0x30