[25500.040130] BUG: unable to handle kernel NULL pointer dereference at 00000004 [25500.040137] IP: [] __ticket_spin_lock+0x8/0x20 [25500.040145] *pde = 00000000 [25500.040149] Oops: 0002 [#1] SMP [25500.040152] Modules linked in: binfmt_misc radeon drm rfcomm sco bnep l2cap bluetooth vboxnetflt vboxdrv ppdev lirc_atiusb lirc_dev powernow_k8 cpufreq_stats cpufreq_userspace cpufreq_powersave cpufreq_ondemand freq_table cpufreq_conservative pci_slot container sbs sbshc video output wmi battery bridge stp iptable_filter ip_tables x_tables ac it87 hwmon_vid sbp2 lp loop dvb_usb_dib0700 dib7000p dib7000m dvb_usb snd_hda_intel dvb_core pcspkr snd_pcm_oss snd_mixer_oss dib3000mc dibx000_common dib0070 snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event k8temp snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc evdev i2c_piix4 i2c_core parport_pc parport button ati_agp shpchp pci_hotplug agpgart ipv6 ext3 jbd mbcache ata_generic usbhid hid sr_mod sd_mod cdrom crc_t10dif sg pata_acpi ohci1394 ehci_hcd ieee1394 uhci_hcd ahci ohci_hcd pata_atiixp usbcore e1000 libata scsi_mod dock r8169 mii floppy raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0 multipath linear md_mod dm_mirror dm_log dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse [25500.040217] [25500.040220] Pid: 10, comm: events/1 Not tainted (2.6.27-14-generic #1) [25500.040222] EIP: 0060:[] EFLAGS: 00010246 CPU: 1 [25500.040226] EIP is at __ticket_spin_lock+0x8/0x20 [25500.040228] EAX: 00000004 EBX: f7063f5c ECX: ed8e1eb8 EDX: 00000100 [25500.040230] ESI: ed8e1eb4 EDI: f917d300 EBP: f7063f34 ESP: f7063f34 [25500.040232] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [25500.040234] Process events/1 (pid: 10, ti=f7062000 task=f7068000 task.ti=f7062000) [25500.040236] Stack: f7063f3c c037ffed f7063f44 f9182853 f7063f6c f917d332 00000000 f7063f5c [25500.040241] c0144260 ed8e1e10 00000000 ed8e1eb4 f700e900 f917d300 f7063fa4 c01437c5 [25500.040246] 004916d2 c20f9d00 5deb8f0c 000011b3 ed8e1eb8 f7624c40 f700e904 f7063fa4 [25500.040251] Call Trace: [25500.040253] [] ? _spin_lock+0xd/0x10 [25500.040258] [] ? RTSpinlockAcquire+0x13/0x20 [vboxnetflt] [25500.040268] [] ? vboxNetFltLinuxXmitTask+0x32/0x1e0 [vboxnetflt] [25500.040274] [] ? queue_delayed_work+0x20/0x40 [25500.040278] [] ? vboxNetFltLinuxXmitTask+0x0/0x1e0 [vboxnetflt] [25500.040284] [] ? run_workqueue+0x95/0x160 [25500.040287] [] ? finish_wait+0x16/0x70 [25500.040290] [] ? worker_thread+0x88/0xf0 [25500.040293] [] ? autoremove_wake_function+0x0/0x50 [25500.040296] [] ? worker_thread+0x0/0xf0 [25500.040299] [] ? kthread+0x41/0x80 [25500.040302] [] ? kthread+0x0/0x80 [25500.040305] [] ? kernel_thread_helper+0x7/0x10 [25500.040309] ======================= [25500.040310] Code: 00 00 00 55 8b 10 89 e5 5d 89 d0 c1 f8 08 29 d0 25 ff 00 00 00 83 e8 01 0f 9f c0 0f b6 c0 c3 8d 74 26 00 55 ba 00 01 00 00 89 e5 66 0f c1 10 38 f2 74 06 f3 90 8a 10 eb f6 5d c3 8d b4 26 00 [25500.040334] EIP: [] __ticket_spin_lock+0x8/0x20 SS:ESP 0068:f7063f34 [25500.040341] ---[ end trace 9f579f3dd54fca5b ]---