my messages file is plenty of this
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884512] ------------[ cut here ]------------                                                                                                                                                 
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884513] WARNING: at /build/buildd/linux-2.6.27/arch/x86/kernel/hpet.c:286 hpet_legacy_next_event+0x73/0x80()                                                                                 
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884515] Modules linked in: usb_storage libusual i915 drm rfcomm bridge stp bnep sco l2cap bluetooth ppdev autofs4 acpi_cpufreq cpufreq_conservative cpufreq_stats cpufreq_userspace cpufreq_ondemand freq_table cpufreq_powersave pci_slot container sbs sbshc battery ipv6 iptable_filter ip_tables x_tables ac parport_pc lp parport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event psmouse pcspkr evdev serio_raw snd_seq snd_timer snd_seq_device snd soundcore shpchp pci_hotplug snd_page_alloc video output tpm_infineon tpm tpm_bios wmi button intel_agp ext3 jbd mbcache sr_mod sd_mod cdrom crc_t10dif sg usbhid hid ata_generic ahci pata_acpi ehci_hcd uhci_hcd libata usbcore scsi_mod dock e1000e thermal processor fan fbcon tileblit font bitblit softcursor fuse                                                                        
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884549] Pid: 0, comm: swapper Tainted: G        W 2.6.27-7-generic #1                                                                                                                        
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884550]                                                                                                                                                                                      
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884550] Call Trace:                                                                                                                                                                          
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884552]  [<ffffffff8024e9b4>] warn_on_slowpath+0x64/0x90                                                                                                                                     
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884554]  [<ffffffff80245f40>] ? check_preempt_curr_idle+0x10/0x20                                                                                                                            
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884556]  [<ffffffff803a27ba>] ? __next_cpu+0x1a/0x30                                                                                                                                         
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884557]  [<ffffffff8024535c>] ? find_busiest_group+0x1dc/0x970                                                                                                                               
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884559]  [<ffffffff802481d7>] ? balance_tasks+0xb7/0x160                                                                                                                                     
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884561]  [<ffffffff80501de5>] ? account_scheduler_latency+0x15/0x3c0                                                                                                                         
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884563]  [<ffffffff8023d476>] ? walk_tg_tree+0x76/0xb0                                                                                                                                       
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884564]  [<ffffffff8022be19>] ? read_hpet+0x9/0x20
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884566]  [<ffffffff8022be19>] ? read_hpet+0x9/0x20
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884567]  [<ffffffff8026e551>] ? getnstimeofday+0x51/0xd0
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884569]  [<ffffffff8022c783>] hpet_legacy_next_event+0x73/0x80
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884570]  [<ffffffff802717b4>] clockevents_program_event+0x54/0xa0
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884572]  [<ffffffff80272cb6>] tick_dev_program_event+0x46/0xd0
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884574]  [<ffffffff80272459>] tick_broadcast_oneshot_control+0x129/0x130
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884576]  [<ffffffff80271f60>] tick_notify+0x110/0x220
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884578]  [<ffffffff80505727>] notifier_call_chain+0x47/0x80
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884580]  [<ffffffff8026bf66>] raw_notifier_call_chain+0x16/0x20
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884581]  [<ffffffff80271600>] clockevents_notify+0x30/0xa0
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884586]  [<ffffffffa003a643>] acpi_state_timer_broadcast+0x46/0x48 [processor]
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884590]  [<ffffffffa003ad05>] acpi_idle_enter_simple+0xac/0x1aa [processor]
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884591]  [<ffffffff8044bb59>] cpuidle_idle_call+0xb9/0x100
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884593]  [<ffffffff80210e95>] cpu_idle+0x75/0x110
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884595]  [<ffffffff804fd735>] start_secondary+0x97/0xc2
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884596]
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.884597] ---[ end trace 739ad5ac29dca4bb ]---
Nov 26 20:48:44 roberto-desktop kernel: [ 9614.888512] ------------[ cut here ]------------