[ 524.246706] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 524.246711] printing eip: [ 524.246713] 00000000 [ 524.246714] *pde = 00000000 [ 524.246717] Oops: 0000 [#1] [ 524.246718] SMP [ 524.246721] Modules linked in: binfmt_misc rfcomm l2cap bluetooth lirc_imon(F) lirc_dev ipv6 ppdev acpi_cpufreq cpufreq_conservative cpufreq_powersave cpufreq_ondemand cpufreq_userspace cpufreq_stats freq_table pcc_acpi dev_acpi tc1100_wmi sony_acpi battery asus_acpi sbs container i2c_ec backlight button video ac dock nls_iso8859_1 nls_cp437 vfat fat ext2 lp lnbp21 af_packet stb6100 stb0899 ves1x93 snd_hda_intel snd_hda_codec snd_pcm_oss snd_pcm snd_mixer_oss snd_seq_dummy snd_seq_oss joydev nvidia(P) snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device budget_ci sr_mod cdrom snd parport_pc budget_core parport xpad ir_common soundcore intel_agp dvb_ttpci dvb_core saa7146_vv video_buf saa7146 usbhid hid sky2 iTCO_wdt pcspkr videodev v4l2_common v4l1_compat ttpci_eeprom serio_raw psmouse i2c_core iTCO_vendor_support snd_page_alloc agpgart shpchp pci_hotplug tsdev evdev ext3 jbd mbcache sg sd_mod pata_jmicron ahci uhci_hcd ehci_hcd ata_piix ata_generic libata scsi_mod generic usbcore thermal processor fan fbcon tileblit font bitblit softcursor vesafb capability commoncap [ 524.246813] CPU: 0 [ 524.246814] EIP: 0060:[<00000000>] Tainted: PF VLI [ 524.246815] EFLAGS: 00010286 (2.6.20-16-generic #2) [ 524.246823] EIP is at 0x0 [ 524.246826] eax: dfd8a808 ebx: f7014980 ecx: 00000000 edx: f7aba0d4 [ 524.246829] esi: 40246f4c edi: f7aba278 ebp: fffffe00 esp: f6659c58 [ 524.246831] ds: 007b es: 007b ss: 0068 [ 524.246834] Process szap (pid: 6148, ti=f6658000 task=df867560 task.ti=f6658000) [ 524.246836] Stack: f89f6ff8 f66d5ef4 c1d425e0 c011ddd6 00000000 00000000 dfd8a808 f7aba000 [ 524.246844] 00000002 00000044 fffb8000 00000001 00000001 00000000 00000002 00000000 [ 524.246850] 000280d2 c03aafac 00000246 f6659d38 00000001 f747b828 c019755a 00870092 [ 524.246858] Call Trace: [ 524.246861] [] dvb_frontend_ioctl+0x7c8/0xe90 [dvb_core] [ 524.246879] [] kmap_atomic+0x86/0xa0 [ 524.246899] [] __find_get_block+0x9a/0x1c0 [ 524.246909] [] __alloc_pages+0x4f/0x340 [ 524.246921] [] __journal_file_buffer+0xd5/0x220 [jbd] [ 524.246931] [] __getblk+0x2c/0x2b0 [ 524.246938] [] kunmap_atomic+0x6b/0x70 [ 524.246948] [] __journal_file_buffer+0xd5/0x220 [jbd] [ 524.246959] [] do_get_write_access+0x1ca/0x510 [jbd] [ 524.246971] [] task_rq_lock+0x46/0x80 [ 524.246981] [] try_to_wake_up+0x46/0x480 [ 524.246988] [] __activate_task+0x21/0x40 [ 524.246997] [] __switch_to+0xc6/0x1f0 [ 524.247003] [] __d_lookup+0x89/0x110 [ 524.247015] [] do_lookup+0x65/0x190 [ 524.247024] [] dput+0xb5/0x140 [ 524.247030] [] __link_path_walk+0x9df/0xe70 [ 524.247049] [] mntput_no_expire+0x24/0xa0 [ 524.247058] [] __next_cpu+0x12/0x20 [ 524.247065] [] find_busiest_group+0x17c/0x5c0 [ 524.247087] [] dvb_usercopy+0x64/0x140 [dvb_core] [ 524.247120] [] lock_hrtimer_base+0x27/0x60 [ 524.247129] [] hrtimer_try_to_cancel+0x33/0x50 [ 524.247136] [] hrtimer_cancel+0xe/0x20 [ 524.247145] [] dvb_generic_ioctl+0x4d/0x60 [dvb_core] [ 524.247158] [] dvb_frontend_ioctl+0x0/0xe90 [dvb_core] [ 524.247172] [] do_ioctl+0x78/0x90 [ 524.247180] [] vfs_ioctl+0x5c/0x2a0 [ 524.247188] [] sys_ioctl+0x72/0x90 [ 524.247195] [] sysenter_past_esp+0x69/0xa9 [ 524.247210] ======================= [ 524.247212] Code: Bad EIP value. [ 524.247215] EIP: [<00000000>] 0x0 SS:ESP 0068:f6659c58 [ 524.247221]