BUG: unable to handle kernel NULL pointer dereference at 00000002

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Hi,
When I plug my USB IR receiver (MCE) in, I get the error and trace messages hereby attached. It doesn't freeze the system but when I try to boot the machine with the USB receiver plugged in, it actually prevents the system to boot entirely. I've configured a 2.6.39.4 kernel with those drivers built-in, 
	CONFIG_RC_MAP=y
	CONFIG_IR_RC6_DECODER
	CONFIG_IR_MCEUSB=y
I'm basically using the default configuration + EXT4 + BRIDGE + NTFS + NFSD + FUSE + DRM_RADEON & firmware, nothing funky (and cpu family opteron). 

Here's the error I got in brief (from dmesg),

mceusb 3-2:1.0: usb_probe_interface
mceusb 3-2:1.0: usb_probe_interface - got id
Registered IR keymap rc-rc6-mce
input: Media Center Ed. eHome Infrared Remote Transceiver (0471:2088) as /devices/pci0000:00/0000:00:12.0/usb3/3-2/3-2:1.0/rc/rc0/input4 rc0: Media Center Ed. eHome Infrared Remote Transceiver (0471:2088) as /devices/pci0000:00/0000:00:12.0/usb3/3-2/3-2:1.0/rc/rc0 
BUG: unable to handle kernel NULL pointer dereference at 00000002
IP: [<c13911e0>] mce_request_packet+0x6d/0x11f
*pde = 00000000
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/pci0000:00/0000:00:12.0/usb3/3-2/manufacturer
Modules linked in:
Pid: 436, comm: khubd Not tainted 2.6.39.4 #4 System manufacturer System Product Name/M5A78L-M/USB3 
EIP: 0060:[<c13911e0>] EFLAGS: 00010286 CPU: 1
EIP is at mce_request_packet+0x6d/0x11f
... (see attached file) ...

My kernel,
Linux version 2.6.39.4 (elge@h2) (gcc version 4.5.2 (GCC) ) #4 SMP Thu Jun 14 21:00:23 CEST 2012 

no modules loaded

System is Slackware 13.37 (32-bit version)

CPU description attached.

Some help will be greately appreciated.

Thanks.

Pierre-Philipp

Jun 14 21:02:16 h2 kernel: [   34.381608] hub 1-0:1.0: state 7 ports 6 chg 0000 evt 0004
Jun 14 21:02:16 h2 kernel: [   34.381616] ehci_hcd 0000:00:12.2: GetStatus port:2 status 001403 0  ACK POWER sig=k CSC CONNECT
Jun 14 21:02:16 h2 kernel: [   34.381623] hub 1-0:1.0: port 2, status 0501, change 0001, 480 Mb/s
Jun 14 21:02:16 h2 kernel: [   34.485026] hub 1-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x501
Jun 14 21:02:16 h2 kernel: [   34.485033] ehci_hcd 0000:00:12.2: port 2 low speed --> companion
Jun 14 21:02:16 h2 kernel: [   34.485066] ohci_hcd 0000:00:12.0: auto-wakeup root hub
Jun 14 21:02:16 h2 kernel: [   34.536031] ehci_hcd 0000:00:12.2: GetStatus port:2 status 003002 0  ACK POWER OWNER sig=se0 CSC
Jun 14 21:02:16 h2 kernel: [   34.536049] hub 1-0:1.0: state 7 ports 6 chg 0000 evt 0004
Jun 14 21:02:16 h2 kernel: [   34.536052] hub 3-0:1.0: state 7 ports 3 chg 0000 evt 0004
Jun 14 21:02:16 h2 kernel: [   34.536057] ohci_hcd 0000:00:12.0: GetStatus roothub.portstatus [1] = 0x00010301 CSC LSDA PPS CCS
Jun 14 21:02:16 h2 kernel: [   34.536060] hub 3-0:1.0: port 2, status 0301, change 0001, 1.5 Mb/s
Jun 14 21:02:16 h2 kernel: [   34.640027] hub 3-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x301
Jun 14 21:02:16 h2 kernel: [   34.702024] ohci_hcd 0000:00:12.0: GetStatus roothub.portstatus [1] = 0x00100303 PRSC LSDA PPS PES CCS
Jun 14 21:02:16 h2 kernel: [   34.753030] usb 3-2: new low speed USB device number 2 using ohci_hcd
Jun 14 21:02:16 h2 kernel: [   34.816031] ohci_hcd 0000:00:12.0: GetStatus roothub.portstatus [1] = 0x00100303 PRSC LSDA PPS PES CCS
Jun 14 21:02:16 h2 kernel: [   34.887078] usb 3-2: skipped 1 descriptor after interface
Jun 14 21:02:16 h2 kernel: [   34.889081] usb 3-2: default language 0x0409
Jun 14 21:02:16 h2 kernel: [   34.896088] usb 3-2: udev 2, busnum 3, minor = 257
Jun 14 21:02:16 h2 kernel: [   34.896090] usb 3-2: New USB device found, idVendor=0471, idProduct=2088
Jun 14 21:02:16 h2 kernel: [   34.896092] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Jun 14 21:02:16 h2 kernel: [   34.896095] usb 3-2: Product: MCE USB IR Receiver with ALS- Spinel plus for ASUS
Jun 14 21:02:16 h2 kernel: [   34.896096] usb 3-2: Manufacturer: PHILIPS
Jun 14 21:02:16 h2 kernel: [   34.896155] usb 3-2: usb_probe_device
Jun 14 21:02:16 h2 kernel: [   34.896158] usb 3-2: configuration #1 chosen from 1 choice
Jun 14 21:02:16 h2 kernel: [   34.898087] usb 3-2: adding 3-2:1.0 (config #1, interface 0)
Jun 14 21:02:16 h2 kernel: [   34.898117] mceusb 3-2:1.0: usb_probe_interface
Jun 14 21:02:16 h2 kernel: [   34.898119] mceusb 3-2:1.0: usb_probe_interface - got id
Jun 14 21:02:16 h2 kernel: [   34.905086] Registered IR keymap rc-rc6-mce
Jun 14 21:02:16 h2 kernel: [   34.905152] input: Media Center Ed. eHome Infrared Remote Transceiver (0471:2088) as /devices/pci0000:00/0000:00:12.0/usb3/3-2/3-2:1.0/rc/rc0/input4
Jun 14 21:02:16 h2 kernel: [   34.905171] rc0: Media Center Ed. eHome Infrared Remote Transceiver (0471:2088) as /devices/pci0000:00/0000:00:12.0/usb3/3-2/3-2:1.0/rc/rc0
Jun 14 21:02:16 h2 kernel: [   34.905200] BUG: unable to handle kernel NULL pointer dereference at 00000002
Jun 14 21:02:16 h2 kernel: [   34.905303] IP: [<c13911e0>] mce_request_packet+0x6d/0x11f
Jun 14 21:02:16 h2 kernel: [   34.905384] *pde = 00000000
Jun 14 21:02:16 h2 kernel: [   34.905429] Oops: 0000 [#1] SMP
Jun 14 21:02:16 h2 kernel: [   34.905485] last sysfs file: /sys/devices/pci0000:00/0000:00:12.0/usb3/3-2/manufacturer
Jun 14 21:02:16 h2 kernel: [   34.905588] Modules linked in:
Jun 14 21:02:16 h2 kernel: [   34.906193]
Jun 14 21:02:16 h2 kernel: [   34.906193] Pid: 436, comm: khubd Not tainted 2.6.39.4 #4 System manufacturer System Product Name/M5A78L-M/USB3
Jun 14 21:02:16 h2 kernel: [   34.906193] EIP: 0060:[<c13911e0>] EFLAGS: 00010286 CPU: 1
Jun 14 21:02:16 h2 kernel: [   34.906193] EIP is at mce_request_packet+0x6d/0x11f
Jun 14 21:02:16 h2 kernel: [   34.906193] EAX: f4b95c00 EBX: f2f34c00 ECX: 00000003 EDX: 000080d0
Jun 14 21:02:16 h2 kernel: [   34.906193] ESI: f4b97e1c EDI: 00000000 EBP: f5531c2c ESP: f5531c14
Jun 14 21:02:16 h2 kernel: [   34.906193]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Jun 14 21:02:16 h2 kernel: [   34.906193] Process khubd (pid: 436, ti=f5530000 task=f5607020 task.ti=f5530000)
Jun 14 21:02:16 h2 kernel: [   34.906193] Stack:
Jun 14 21:02:16 h2 kernel: [   34.906193]  c178cb88 f4858b00 f4b95c00 c178cb88 f2fe2000 00000008 f5531c40 c13912a5
Jun 14 21:02:16 h2 kernel: [   34.906193]  00000003 00000002 f4b95c00 f5531d44 c150583d 00000471 f4b05e00 00531c60
Jun 14 21:02:16 h2 kernel: [   34.906193]  f4b97e1c 00012928 f2fe2064 f4b97e00 f4b95c41 00000008 f4b95cc1 f4b97e1c
Jun 14 21:02:16 h2 kernel: [   34.906193] Call Trace:
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c13912a5>] mce_async_out+0x13/0x1a
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c150583d>] mceusb_dev_probe+0x64e/0x7ae
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c135bda3>] usb_probe_interface+0xe2/0x11c
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c73b3>] driver_probe_device+0x81/0xf9
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c74b4>] __device_attach+0x2a/0x2e
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c66d4>] bus_for_each_drv+0x3d/0x67
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c7294>] device_attach+0x47/0x5b
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c748a>] ? __driver_attach+0x5f/0x5f
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c6d89>] bus_probe_device+0x18/0x2d
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c5a43>] device_add+0x347/0x486
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c135b2cd>] ? usb_set_configuration+0x457/0x4ad
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c135b2e5>] usb_set_configuration+0x46f/0x4ad
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c1360975>] generic_probe+0x41/0x68
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c135b4ad>] usb_probe_device+0x28/0x2f
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c73b3>] driver_probe_device+0x81/0xf9
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c74b4>] __device_attach+0x2a/0x2e
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c66d4>] bus_for_each_drv+0x3d/0x67
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c7294>] device_attach+0x47/0x5b
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c748a>] ? __driver_attach+0x5f/0x5f
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c6d89>] bus_probe_device+0x18/0x2d
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c12c5a43>] device_add+0x347/0x486
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c13535ca>] ? show_string+0x1c/0x21
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c1355cd7>] ? usb_new_device+0xe7/0x13c
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c1355cf4>] usb_new_device+0x104/0x13c
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c13565a6>] hub_thread+0x87a/0xc80
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c1044686>] ? wake_up_bit+0x1b/0x1b
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c1355d2c>] ? usb_new_device+0x13c/0x13c
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c1044355>] kthread+0x62/0x67
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c10442f3>] ? kthread_worker_fn+0x107/0x107
Jun 14 21:02:16 h2 kernel: [   34.906193]  [<c15182f6>] kernel_thread_helper+0x6/0xd
Jun 14 21:02:16 h2 kernel: [   34.906193] Code: 8b 45 08 e8 a7 ff ff ff 85 c0 89 45 ec 75 19 68 71 45 6f c1 56 e8 b5 39 f3 ff 89 d8 e8 04 84 fc ff 5b 5e e9 ad 00 00 00 8b 45 f0 <0f> b6 77 02 0f b6 4f 06 8b 50 0c c1 e6 0f 8b 02 89 53 28 c7 43
Jun 14 21:02:16 h2 kernel: [   34.906193] EIP: [<c13911e0>] mce_request_packet+0x6d/0x11f SS:ESP 0068:f5531c14
Jun 14 21:02:16 h2 kernel: [   34.906193] CR2: 0000000000000002
Jun 14 21:02:16 h2 kernel: [   35.052760] ---[ end trace cd83e3973fe4df54 ]---
Jun 14 21:02:16 h2 kernel: [   35.055337] khubd used greatest stack depth: 5796 bytes left


processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 16
model           : 4
model name      : AMD Phenom(tm) II X2 550 Processor
stepping        : 2
cpu MHz         : 3114.260
cache size      : 512 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
apicid          : 0
initial apicid  : 0
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 5
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt nodeid_msr npt lbrv svm_lock nrip_save
bogomips        : 6228.52
clflush size    : 64
cache_alignment : 64
address sizes   : 48 bits physical, 48 bits virtual
power management: ts ttp tm stc 100mhzsteps hwpstate

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 16
model           : 4
model name      : AMD Phenom(tm) II X2 550 Processor
stepping        : 2
cpu MHz         : 3114.260
cache size      : 512 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
apicid          : 1
initial apicid  : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 5
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt nodeid_msr npt lbrv svm_lock nrip_save
bogomips        : 6228.17
clflush size    : 64
cache_alignment : 64
address sizes   : 48 bits physical, 48 bits virtual
power management: ts ttp tm stc 100mhzsteps hwpstate

Attachment: .config
Description: XML document

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