Периодические фризы и зависания

May  4 07:14:44 fatalist-pc kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000e
May  4 07:14:44 fatalist-pc kernel: IP: [<c108cf62>] __kmalloc+0x7d/0xb6
May  4 07:14:44 fatalist-pc kernel: *pde = 00000000 
May  4 07:14:44 fatalist-pc kernel: Oops: 0000 [#11] PREEMPT SMP 
May  4 07:14:44 fatalist-pc kernel: last sysfs file: /sys/devices/platform/it87.656/cpu0_vid
May  4 07:14:44 fatalist-pc kernel: Modules linked in: vboxnetadp vboxnetflt vboxdrv nvidia(P) isofs nls_utf8 nls_cp437 vfat fat snd_seq_dummy ext4 jbd2 usb_storage ppp_async crc_ccitt ppp_generic slhc parport_pc ppdev lp parport sco bridge stp bnep rfcomm l2cap crc16 bluetooth rfkill ipt_LOG xt_limit ts_kmp iptable_filter xt_string xt_TCPMSS xt_tcpudp iptable_mangle ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables binfmt_misc fuse xfs exportfs ext3 jbd mbcache it87 hwmon_vid coretemp adt7475 loop firewire_sbp2 snd_usb_audio snd_usb_lib snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_emu10k1 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_util_mem snd_seq_midi snd_seq_midi_event snd_seq snd_rawmidi snd_hwdep gspca_zc3xx snd_timer snd_seq_device gspca_main pl2303 videodev v4l1_compat usbserial joydev snd usblp soundcore i2c_i801 psmouse i2c_core shpchp evdev pci_hotplug tpm_tis wmi serio_raw pcspkr tpm tpm_bios button
May  4 07:14:44 fatalist-pc kernel: processor usbhid hid reiserfs dm_mod raid0 md_mod sd_mod crc_t10dif ata_generic pata_jmicron firewire_ohci firewire_core crc_itu_t ahci r8169 libata uhci_hcd ehci_hcd scsi_mod usbcore nls_base thermal thermal_sys [last unloaded: vboxdrv]
May  4 07:14:44 fatalist-pc kernel:
May  4 07:14:44 fatalist-pc kernel: Pid: 6523, comm: php5 Tainted: P      D    (2.6.32.36 #1) EX58-UD4
May  4 07:14:44 fatalist-pc kernel: EIP: 0060:[<c108cf62>] EFLAGS: 00210002 CPU: 4
May  4 07:14:44 fatalist-pc kernel: EIP is at __kmalloc+0x7d/0xb6
May  4 07:14:44 fatalist-pc kernel: EAX: c3204094 EBX: 0000000e ECX: c11a42e9 EDX: 00000000
May  4 07:14:44 fatalist-pc kernel: ESI: c13334e4 EDI: 000080d0 EBP: 00000200 ESP: f3361ec4
May  4 07:14:44 fatalist-pc kernel: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
May  4 07:14:44 fatalist-pc kernel: Process php5 (pid: 6523, ti=f3360000 task=f0fc6a40 task.ti=f3360000)
May  4 07:14:44 fatalist-pc kernel: Stack:
May  4 07:14:44 fatalist-pc kernel: 00200202 c1434ab4 c1359158 f69e8e00 00000000 c11a42e9 000080d0 00000010
May  4 07:14:44 fatalist-pc kernel: <0> c1434ab4 00000010 f69e8e00 c1359158 c11a43a5 f69e8e00 c135892c f69e8e00
May  4 07:14:44 fatalist-pc kernel: <0> 00000000 c11c2362 c1359158 f69e8e00 c135892c 00000000 c11c2528 00000000
May  4 07:14:44 fatalist-pc kernel: Call Trace:
May  4 07:14:44 fatalist-pc kernel: [<c11a42e9>] ? sk_prot_alloc+0x5e/0x100
May  4 07:14:44 fatalist-pc kernel: [<c11a43a5>] ? sk_alloc+0x1a/0x5c
May  4 07:14:44 fatalist-pc kernel: [<c11c2362>] ? __netlink_create+0x22/0x85
May  4 07:14:44 fatalist-pc kernel: [<c11c2528>] ? netlink_create+0x163/0x1a0
May  4 07:14:44 fatalist-pc kernel: [<c11a1c7f>] ? __sock_create+0x156/0x22e
May  4 07:14:44 fatalist-pc kernel: [<c11a1d92>] ? sock_create+0x22/0x27
May  4 07:14:44 fatalist-pc kernel: [<c11a1f7b>] ? sys_socket+0x2b/0x56
May  4 07:14:44 fatalist-pc kernel: [<c11a2ae4>] ? sys_socketcall+0x7c/0x1b3
May  4 07:14:44 fatalist-pc kernel: [<c103b8bd>] ? sys_nanosleep+0x43/0x52
May  4 07:14:44 fatalist-pc kernel: [<c1003013>] ? sysenter_do_call+0x12/0x28
May  4 07:14:44 fatalist-pc kernel: Code: 20 99 3b c1 8b 84 86 84 00 00 00 8b 18 8b 68 10 85 db 75 14 50 89 fa 51 89 f0 83 c9 ff e8 39 f4 ff ff 89 c3 58 5a eb 08 8b 50 0c <8b> 14 93 89 10 8b 04 24 50 9d 8d 74 26 00 85 db 74 1f 66 85 ff 
May  4 07:14:44 fatalist-pc kernel: EIP: [<c108cf62>] __kmalloc+0x7d/0xb6 SS:ESP 0068:f3361ec4
May  4 07:14:44 fatalist-pc kernel: CR2: 000000000000000e
May  4 07:14:44 fatalist-pc kernel: ---[ end trace 0e641386e5f3022c ]---
May  4 07:14:54 fatalist-pc gdm-simple-slave[27626]: WARNING: Failed to get display ID /org/gnome/DisplayManager/Display1: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.