Hello.
First:  I'm sorry , Christopher, but the bisect was too difficult to me.  I 
tried it, but I could not do it.
Shengliang, Is this correct?
jac@jac-P1-J273B:~$ sudo dmidecode
# dmidecode 2.12
SMBIOS 2.4 present.
30 structures occupying 988 bytes.
Table at 0x000DC010.

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
        Vendor: Phoenix Technologies LTD
        Version: RKYWSF10
        Release Date: 04/20/2006
        Address: 0xE4DA0
        Runtime Size: 111200 bytes
        ROM Size: 1024 kB
        Characteristics:
                ISA is supported
                PCI is supported
                PC Card (PCMCIA) is supported
                PNP is supported
                BIOS is upgradeable
                BIOS shadowing is allowed
                ESCD support is available
                Boot from CD is supported
                Selectable boot is supported
                EDD is supported
                ACPI is supported
                USB legacy is supported
                BIOS boot specification is supported

Handle 0x0001, DMI type 1, 27 bytes
System Information
        Manufacturer: LG Electronics
        Product Name: P1-J273B
        Version: Not Applicable
        Wake-up Type: Power Switch
        SKU Number: Not Specified
        Family: Not Specified

Handle 0x0002, DMI type 2, 8 bytes
Base Board Information
        Manufacturer: LG Electronics
        Product Name: ROCKY
        Version: Not Applicable
        Serial Number: Not Applicable

Handle 0x0003, DMI type 3, 17 bytes
Chassis Information
        Manufacturer: LG Electronics
        Type: Notebook
        Lock: Not Present
        Version: N/A
        Serial Number: None
        Asset Tag: No Asset Tag
        Boot-up State: Safe
        Power Supply State: Safe
        Thermal State: Safe
        Security Status: None
        OEM Information: 0x00001234

Handle 0x0004, DMI type 4, 35 bytes
Processor Information
        Socket Designation: U1
        Type: Central Processor
        Family: Other
        Manufacturer: Intel
        ID: E8 06 00 00 FF FB E9 BF
        Version: Genuine Intel(R) CPU           T2
        Voltage: 1.2 V
        External Clock: Unknown
        Max Speed: 2160 MHz
        Current Speed: 1600 MHz
        Status: Populated, Enabled
        Upgrade: Slot 1
        L1 Cache Handle: 0x0005
        L2 Cache Handle: 0x0006
        L3 Cache Handle: Not Provided
        Serial Number: Not Specified
        Asset Tag: Not Specified
        Part Number: Not Specified

Handle 0x0005, DMI type 7, 19 bytes
Cache Information
        Socket Designation: L1 Cache
        Configuration: Enabled, Socketed, Level 1
        Operational Mode: Write Back
        Location: Internal
        Installed Size: 32 kB
        Maximum Size: 32 kB
        Supported SRAM Types:
                Burst
                Pipeline Burst
                Asynchronous
        Installed SRAM Type: Asynchronous
        Speed: Unknown
        Error Correction Type: Unknown
        System Type: Unknown
        Associativity: Unknown

Handle 0x0006, DMI type 7, 19 bytes
Cache Information
        Socket Designation: L2 Cache
        Configuration: Enabled, Socketed, Level 2
        Operational Mode: Write Back
        Location: External
        Installed Size: 2048 kB
        Maximum Size: 2048 kB
        Supported SRAM Types:
                Burst
                Pipeline Burst
                Asynchronous
        Installed SRAM Type: Burst
        Speed: Unknown
        Error Correction Type: Unknown
        System Type: Unknown
        Associativity: Unknown

Handle 0x0007, DMI type 9, 13 bytes
System Slot Information
        Designation: PCI Express Slot
        Type: 32-bit PCI Express
        Current Usage: Available
        Length: Long
        ID: 8
        Characteristics:
                5.0 V is provided
                3.3 V is provided

Handle 0x0008, DMI type 10, 6 bytes
On Board Device Information
        Type: Sound
        Status: Disabled
        Description: HD-Audio

Handle 0x0009, DMI type 11, 5 bytes
OEM Strings
        String 1: LG Electronics
        String 2: Customer Satisfaction First

Handle 0x000A, DMI type 15, 29 bytes
System Event Log
        Area Length: 16 bytes
        Header Start Offset: 0x0000
        Header Length: 16 bytes
        Data Start Offset: 0x0010
        Access Method: General-purpose non-volatile data functions
        Access Address: 0x0000
        Status: Valid, Not Full
        Change Token: 0x00000001
        Header Format: Type 1
        Supported Log Type Descriptors: 3
        Descriptor 1: POST error
        Data Format 1: POST results bitmap
        Descriptor 2: Single-bit ECC memory error
        Data Format 2: Multiple-event
        Descriptor 3: Multi-bit ECC memory error
        Data Format 3: Multiple-event

Handle 0x000B, DMI type 16, 15 bytes
Physical Memory Array
        Location: System Board Or Motherboard
        Use: System Memory
        Error Correction Type: None
        Maximum Capacity: 3 GB
        Error Information Handle: Not Provided
        Number Of Devices: 2

Handle 0x000C, DMI type 17, 27 bytes
Memory Device
        Array Handle: 0x000B
        Error Information Handle: No Error
        Total Width: 32 bits
        Data Width: 32 bits
        Size: 2048 MB
        Form Factor: SODIMM
        Set: 1
        Locator: M1
        Bank Locator: Bank 0
        Type: DDR2
        Type Detail: Synchronous
        Speed: Unknown
        Manufacturer: Not Specified
        Serial Number: Not Specified
        Asset Tag: Not Specified
        Part Number: Not Specified

Handle 0x000D, DMI type 17, 27 bytes
Memory Device
        Array Handle: 0x000B
        Error Information Handle: No Error
        Total Width: 32 bits
        Data Width: 32 bits
        Size: 512 MB
        Form Factor: SODIMM
        Set: 1
        Locator: M2
        Bank Locator: Bank 1
        Type: DDR2
        Type Detail: Synchronous
        Speed: Unknown
        Manufacturer: Not Specified
        Serial Number: Not Specified
        Asset Tag: Not Specified
        Part Number: Not Specified

Handle 0x000E, DMI type 19, 15 bytes
Memory Array Mapped Address
        Starting Address: 0x00000000000
        Ending Address: 0x0009FFFFFFF
        Range Size: 2560 MB
        Physical Array Handle: 0x000B
        Partition Width: 2

Handle 0x000F, DMI type 20, 19 bytes
Memory Device Mapped Address
        Starting Address: 0x00000000000
        Ending Address: 0x0007FFFFFFF
        Range Size: 2 GB
        Physical Device Handle: 0x000C
        Memory Array Mapped Address Handle: 0x000E
        Partition Row Position: Unknown
        Interleave Position: Unknown
        Interleaved Data Depth: Unknown

Handle 0x0010, DMI type 20, 19 bytes
Memory Device Mapped Address
        Starting Address: 0x00080000000
        Ending Address: 0x0009FFFFFFF
        Range Size: 512 MB
        Physical Device Handle: 0x000D
        Memory Array Mapped Address Handle: 0x000E
        Partition Row Position: Unknown
        Interleave Position: Unknown
        Interleaved Data Depth: Unknown

Handle 0x0011, DMI type 23, 13 bytes
System Reset
        Status: Enabled
        Watchdog Timer: Present
        Boot Option: Do Not Reboot
        Boot Option On Limit: Do Not Reboot
        Reset Count: Unknown
        Reset Limit: Unknown
        Timer Interval: Unknown
        Timeout: Unknown

Handle 0x0012, DMI type 24, 5 bytes
Hardware Security
        Power-On Password Status: Disabled
        Keyboard Password Status: Unknown
        Administrator Password Status: Disabled
        Front Panel Reset Status: Unknown

Handle 0x0013, DMI type 25, 9 bytes
        System Power Controls
        Next Scheduled Power-on: 12-31 23:59:59

Handle 0x0014, DMI type 26, 20 bytes
Voltage Probe
        Description: Voltage Probe
        Location: Processor
        Status: OK
        Maximum Value: Unknown
        Minimum Value: Unknown
        Resolution: Unknown
        Tolerance: Unknown
        Accuracy: Unknown
        OEM-specific Information: 0x00000000

Handle 0x0015, DMI type 27, 12 bytes
Cooling Device
        Temperature Probe Handle: 0x0016
        Type: Fan
        Status: OK
        OEM-specific Information: 0x00000000

Handle 0x0016, DMI type 28, 20 bytes
Temperature Probe
        Description: Temperature Probe
        Location: Processor
        Status: OK
        Maximum Value: Unknown
        Minimum Value: Unknown
        Resolution: Unknown
        Tolerance: Unknown
        Accuracy: Unknown
        OEM-specific Information: 0x00000000

Handle 0x0017, DMI type 29, 20 bytes
Electrical Current Probe
        Description: Electrical Current Probe
        Location: Processor
        Status: OK
        Maximum Value: Unknown
        Minimum Value: Unknown
        Resolution: Unknown
        Tolerance: Unknown
        Accuracy: Unknown
        OEM-specific Information: 0x00000000

Handle 0x0018, DMI type 30, 6 bytes
Out-of-band Remote Access
        Manufacturer Name: Intel
        Inbound Connection: Enabled
        Outbound Connection: Disabled

Handle 0x0019, DMI type 32, 20 bytes
System Boot Information
        Status: <OUT OF SPEC>

Handle 0x001A, DMI type 129, 16 bytes
OEM-specific Type
        Header and Data:
                81 10 1A 00 01 01 02 01 00 00 00 01 00 00 08 01
        Strings:
                Intel_ASF_001
                Intel_ASF_001

Handle 0x001B, DMI type 136, 8 bytes
OEM-specific Type
        Header and Data:
                88 08 1B 00 FF FF 00 00
        Strings:
                ...
                ..

Handle 0x001C, DMI type 150, 14 bytes
OEM-specific Type
        Header and Data:
                96 0E 1C 00 01 01 00 00 00 00 00 00 00 00
        Strings:
                ABSOLUTE(PHOENIX) CLM

Handle 0x001D, DMI type 127, 4 bytes
End Of Table

thanks .
jalgi

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1243904

Title:
  [LG P1-J273B] Internal keyboard doesn't work in 13.10

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  My laptop is a lg p1 express dual. I updated from 13.04 to 13.10 but the 
keyboard did not work. I tried doing a fresh install but the keyboard did not 
work with the live cd.
  In 13.04 all works correctly.

  ---
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jac        2262 F.... pulseaudio
  DistroRelease: Ubuntu 13.10
  HibernationDevice: RESUME=UUID=3b3ffa91-078a-4731-b078-8ba3ebafc542
  InstallationDate: Installed on 2013-04-28 (190 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
  MachineType: LG Electronics P1-J273B
  MarkForUpload: True
  Package: linux (not installed)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic 
root=UUID=fd418822-b188-423d-a734-75f80a75f92c ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware                             1.116
  StagingDrivers: et131x
  Tags:  saucy staging
  Uname: Linux 3.11.0-12-generic i686
  UpgradeStatus: Upgraded to saucy on 2013-10-20 (15 days ago)
  UserGroups: adm cdrom dip lpadmin nopasswdlogin plugdev sambashare sudo
  dmi.bios.date: 04/20/2006
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: RKYWSF10
  dmi.board.name: ROCKY
  dmi.board.vendor: LG Electronics
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LG Electronics
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnPhoenixTechnologiesLTD:bvrRKYWSF10:bd04/20/2006:svnLGElectronics:pnP1-J273B:pvrNotApplicable:rvnLGElectronics:rnROCKY:rvrNotApplicable:cvnLGElectronics:ct10:cvrN/A:
  dmi.product.name: P1-J273B
  dmi.product.version: Not Applicable
  dmi.sys.vendor: LG Electronics

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