On Mon, Mar 30, 2015 at 12:18:20AM +0200, Thomas Goirand wrote:
>> What happens is, if I leave my laptop unused for a (very) long
>> period
>> of time idle, it goes into darkness (slowly fades out, then full
>> screen black).
>
> So something in your desktop environment handles the brightness and
> sets it to minimum?
Yes, the screen saver.
>> When I want to wake-up my latop, I just press any key. This wakes up
>> the laptop, but it does *not* set the screen brightness back to
>> normal.
>>
>> Increasing the brightness on the lightdm password prompt doesn't
>> work.
>
> I assume your laptop needs something in userspace to handle the
> brightness keys, then?
I believe my mate desktop is somehow handling this.
>> However, if I just type my password (blankly, hoping it works...),
>> then I get to X (using the mate Desktop in my case), then brightness
>> control works, and I can see the screen again.
>
>Because MATE handles the brightness keys.
Yes, and lightdm should as well.
>> I believe that the best way to fix it, is to make sure that the
>> brightness controls are *always* working in lightdm. If I get back to
>> lightdm with a black screen, I don't really mind if I can fix that by
>> increasing the brightness...
>
> Sure, but I'm not sure handling the brightness keys are really the
> role of a login screen. I'll forward this upstream but don't hold your
> breath.
If we can't handle the brightness keys, then just setting-up the
brightness could be a quick and dirty fix-up. Here's a few way to do it
on my laptop:
# This needs root:
echo 4792 > /sys/class/backlight/intel_backlight/brightness
# This needs xbacklight to be installed, but this is from userland:
xbacklight -inc 100%
Do you know if the above can be set somewhere in the lightdm config as a
hook script or something? If that is for *me* only, this type of hack is
enough (but of course, a more generic / less dirty way to fix things for
everyone else would be better...).
>> If I may help to debug the issue in any way, let me know. I'd be
>> happy to do whatever you propose to debug the issue or test some
>> fixes.
>
>It might help to know which kind of laptop it is.
My laptop is a Lenovo T440p. I have attached the output of dmidecode and
lspci, if that helps.
Cheers,
Thomas Goirand (zigo)
# dmidecode 2.12
SMBIOS 2.7 present.
67 structures occupying 2731 bytes.
Table at 0xBC80D000.
Handle 0x0000, DMI type 4, 42 bytes
Processor Information
Socket Designation: CPU Socket - U3E1
Type: Central Processor
Family: Core i7
Manufacturer: Intel(R) Corporation
ID: C3 06 03 00 FF FB EB BF
Signature: Type 0, Family 6, Model 60, Stepping 3
Flags:
FPU (Floating-point unit on-chip)
VME (Virtual mode extension)
DE (Debugging extension)
PSE (Page size extension)
TSC (Time stamp counter)
MSR (Model specific registers)
PAE (Physical address extension)
MCE (Machine check exception)
CX8 (CMPXCHG8 instruction supported)
APIC (On-chip APIC hardware supported)
SEP (Fast system call)
MTRR (Memory type range registers)
PGE (Page global enable)
MCA (Machine check architecture)
CMOV (Conditional move instruction supported)
PAT (Page attribute table)
PSE-36 (36-bit page size extension)
CLFSH (CLFLUSH instruction supported)
DS (Debug store)
ACPI (ACPI supported)
MMX (MMX technology supported)
FXSR (FXSAVE and FXSTOR instructions supported)
SSE (Streaming SIMD extensions)
SSE2 (Streaming SIMD extensions 2)
SS (Self-snoop)
HTT (Multi-threading)
TM (Thermal monitor supported)
PBE (Pending break enabled)
Version: Intel(R) Core(TM) i7-4810MQ CPU @ 2.80GHz
Voltage: 0.8 V
External Clock: 100 MHz
Max Speed: 2800 MHz
Current Speed: 2800 MHz
Status: Populated, Enabled
Upgrade: Socket rPGA988B
L1 Cache Handle: 0x0002
L2 Cache Handle: 0x0003
L3 Cache Handle: 0x0004
Serial Number: None
Asset Tag: None
Part Number: None
Core Count: 4
Core Enabled: 4
Thread Count: 8
Characteristics:
64-bit capable
Handle 0x0001, DMI type 7, 19 bytes
Cache Information
Socket Designation: L1-Cache
Configuration: Enabled, Not Socketed, Level 1
Operational Mode: Write Back
Location: Internal
Installed Size: 32 kB
Maximum Size: 32 kB
Supported SRAM Types:
Asynchronous
Installed SRAM Type: Asynchronous
Speed: Unknown
Error Correction Type: Single-bit ECC
System Type: Data
Associativity: 8-way Set-associative
Handle 0x0002, DMI type 7, 19 bytes
Cache Information
Socket Designation: L1-Cache
Configuration: Enabled, Not Socketed, Level 1
Operational Mode: Write Back
Location: Internal
Installed Size: 32 kB
Maximum Size: 32 kB
Supported SRAM Types:
Asynchronous
Installed SRAM Type: Asynchronous
Speed: Unknown
Error Correction Type: Single-bit ECC
System Type: Instruction
Associativity: 8-way Set-associative
Handle 0x0003, DMI type 7, 19 bytes
Cache Information
Socket Designation: L2-Cache
Configuration: Enabled, Not Socketed, Level 2
Operational Mode: Write Back
Location: Internal
Installed Size: 256 kB
Maximum Size: 256 kB
Supported SRAM Types:
Asynchronous
Installed SRAM Type: Asynchronous
Speed: Unknown
Error Correction Type: Single-bit ECC
System Type: Unified
Associativity: 8-way Set-associative
Handle 0x0004, DMI type 7, 19 bytes
Cache Information
Socket Designation: L3-Cache
Configuration: Enabled, Not Socketed, Level 3
Operational Mode: Write Back
Location: Internal
Installed Size: 6144 kB
Maximum Size: 6144 kB
Supported SRAM Types:
Asynchronous
Installed SRAM Type: Asynchronous
Speed: Unknown
Error Correction Type: Single-bit ECC
System Type: Unified
Associativity: 12-way Set-associative
Handle 0x0005, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 16 GB
Error Information Handle: Not Provided
Number Of Devices: 2
Handle 0x0006, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x0005
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 8192 MB
Form Factor: SODIMM
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MHz
Manufacturer: Samsung
Serial Number: <REMOVED-FOR-PRIVACY-REASONS>
Asset Tag: None
Part Number: M471B1G73QH0-YK0
Rank: Unknown
Configured Clock Speed: 1600 MHz
Handle 0x0007, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x0005
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 8192 MB
Form Factor: SODIMM
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 2
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MHz
Manufacturer: Samsung
Serial Number: <REMOVED-FOR-PRIVACY-REASONS>
Asset Tag: None
Part Number: M471B1G73QH0-YK0
Rank: Unknown
Configured Clock Speed: 1600 MHz
Handle 0x0008, DMI type 19, 31 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x003FFFFFFFF
Range Size: 16 GB
Physical Array Handle: 0x0005
Partition Width: 2
Handle 0x0009, DMI type 129, 8 bytes
OEM-specific Type
Header and Data:
81 08 09 00 01 01 02 01
Strings:
Intel_ASF
Intel_ASF_001
Handle 0x000A, DMI type 134, 13 bytes
OEM-specific Type
Header and Data:
86 0D 0A 00 13 02 15 20 00 00 00 00 00
Handle 0x000C, DMI type 1, 27 bytes
System Information
Manufacturer: LENOVO
Product Name: 20ANCTO1WW
Version: ThinkPad T440p
Serial Number: <REMOVED-FOR-PRIVACY-REASONS>
UUID: <REMOVED-FOR-PRIVACY-REASONS>
Wake-up Type: Power Switch
SKU Number: LENOVO_MT_20AN_BU_Think_FM_ThinkPad T440p
Family: ThinkPad T440p
Handle 0x000D, DMI type 2, 15 bytes
Base Board Information
Manufacturer: LENOVO
Product Name: 20ANCTO1WW
Version: SDK0E50510 WIN
Serial Number: <REMOVED-FOR-PRIVACY-REASONS>
Asset Tag: Not Available
Features:
Board is a hosting board
Board is replaceable
Location In Chassis: Not Available
Chassis Handle: 0x0000
Type: Motherboard
Contained Object Handles: 0
Handle 0x000E, DMI type 3, 22 bytes
Chassis Information
Manufacturer: LENOVO
Type: Notebook
Lock: Not Present
Version: Not Available
Serial Number: <REMOVED-FOR-PRIVACY-REASONS>
Asset Tag: No Asset Information
Boot-up State: Unknown
Power Supply State: Unknown
Thermal State: Unknown
Security Status: Unknown
OEM Information: 0x00000000
Height: Unspecified
Number Of Power Cords: Unspecified
Contained Elements: 0
SKU Number: Not Specified
Handle 0x000F, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Not Available
Internal Connector Type: None
External Reference Designator: USB 1
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x0010, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Not Available
Internal Connector Type: None
External Reference Designator: USB 2
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x0011, DMI type 126, 9 bytes
Inactive
Handle 0x0012, DMI type 126, 9 bytes
Inactive
Handle 0x0013, DMI type 126, 9 bytes
Inactive
Handle 0x0014, DMI type 126, 9 bytes
Inactive
Handle 0x0015, DMI type 126, 9 bytes
Inactive
Handle 0x0016, DMI type 126, 9 bytes
Inactive
Handle 0x0017, DMI type 126, 9 bytes
Inactive
Handle 0x0018, DMI type 126, 9 bytes
Inactive
Handle 0x0019, DMI type 126, 9 bytes
Inactive
Handle 0x001A, DMI type 126, 9 bytes
Inactive
Handle 0x001B, DMI type 126, 9 bytes
Inactive
Handle 0x001C, DMI type 126, 9 bytes
Inactive
Handle 0x001D, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Not Available
Internal Connector Type: None
External Reference Designator: Ethernet
External Connector Type: RJ-45
Port Type: Network Port
Handle 0x001E, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Not Available
Internal Connector Type: None
External Reference Designator: External Monitor
External Connector Type: DB-15 female
Port Type: Video Port
Handle 0x001F, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Not Available
Internal Connector Type: None
External Reference Designator: Mini DisplayPort
External Connector Type: Other
Port Type: Video Port
Handle 0x0020, DMI type 126, 9 bytes
Inactive
Handle 0x0021, DMI type 126, 9 bytes
Inactive
Handle 0x0022, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Not Available
Internal Connector Type: None
External Reference Designator: Headphone/Microphone Combo Jack1
External Connector Type: Mini Jack (headphones)
Port Type: Audio Port
Handle 0x0023, DMI type 126, 9 bytes
Inactive
Handle 0x0024, DMI type 9, 17 bytes
System Slot Information
Designation: Media Card Slot
Type: Other
Current Usage: Available
Length: Other
Characteristics:
Hot-plug devices are supported
Bus Address: 0000:00:00.0
Handle 0x0025, DMI type 126, 17 bytes
Inactive
Handle 0x0026, DMI type 9, 17 bytes
System Slot Information
Designation: SimCard Slot
Type: Other
Current Usage: Available
Length: Other
Characteristics: None
Bus Address: 0000:00:00.0
Handle 0x0027, DMI type 10, 6 bytes
On Board Device Information
Type: Other
Status: Enabled
Description: IBM Embedded Security hardware
Handle 0x0028, DMI type 12, 5 bytes
System Configuration Options
Handle 0x0029, DMI type 13, 22 bytes
BIOS Language Information
Language Description Format: Abbreviated
Installable Languages: 1
en-US
Currently Installed Language: en-US
Handle 0x002A, DMI type 22, 26 bytes
Portable Battery
Location: Front
Manufacturer: Batt Manufacture
Name: Batt Device Name
Design Capacity: Unknown
Design Voltage: Unknown
SBDS Version: Batt SBDS Version
Maximum Error: Unknown
SBDS Serial Number: 0000
SBDS Manufacture Date: 1980-00-00
SBDS Chemistry: Batt SBDS Chemistry
OEM-specific Information: 0x00000000
Handle 0x002B, DMI type 18, 23 bytes
32-bit Memory Error Information
Type: OK
Granularity: Unknown
Operation: Unknown
Vendor Syndrome: Unknown
Memory Array Address: Unknown
Device Address: Unknown
Resolution: Unknown
Handle 0x002C, DMI type 21, 7 bytes
Built-in Pointing Device
Type: Track Point
Interface: PS/2
Buttons: 3
Handle 0x002D, DMI type 21, 7 bytes
Built-in Pointing Device
Type: Touch Pad
Interface: PS/2
Buttons: 2
Handle 0x002E, DMI type 131, 22 bytes
OEM-specific Type
Header and Data:
83 16 2E 00 01 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 01
Strings:
TVT-Enablement
Handle 0x002F, DMI type 136, 6 bytes
OEM-specific Type
Header and Data:
88 06 2F 00 5A 5A
Handle 0x0030, DMI type 134, 16 bytes
OEM-specific Type
Header and Data:
86 10 30 00 00 53 54 4D 20 01 01 00 00 03 01 02
Strings:
TPM INFO
System Reserved
Handle 0x0031, DMI type 130, 20 bytes
OEM-specific Type
Header and Data:
82 14 31 00 24 41 4D 54 01 01 01 01 01 A5 FF 03
01 00 01 00
Handle 0x0032, DMI type 131, 64 bytes
OEM-specific Type
Header and Data:
83 40 32 00 3F 00 00 00 09 00 00 00 00 00 1C 00
F8 00 4F 8C 00 00 00 00 09 E0 00 00 01 00 09 00
0B 04 14 00 00 00 00 00 C8 00 3A 15 00 00 00 00
00 00 00 00 66 00 00 00 76 50 72 6F 00 00 00 00
Handle 0x0033, DMI type 133, 5 bytes
OEM-specific Type
Header and Data:
85 05 33 00 01
Strings:
KHOIHGIUCCHHII
Handle 0x0034, DMI type 135, 83 bytes
OEM-specific Type
Header and Data:
87 53 34 00 54 50 07 02 42 41 59 20 49 2F 4F 20
04 00 01 01 40 00 1F 02 06 00 00 00 00 01 00 00
00 00 00 00 00 00 01 01 04 00 00 00 00 00 00 01
02 FF 00 00 00 00 00 00 01 03 FF 00 00 00 00 00
00 01 04 04 00 00 00 00 00 00 01 05 02 00 00 00
00 00 00
Handle 0x0035, DMI type 15, 31 bytes
System Event Log
Area Length: 242 bytes
Header Start Offset: 0x0000
Header Length: 16 bytes
Data Start Offset: 0x0010
Access Method: General-purpose non-volatile data functions
Access Address: 0x00F0
Status: Valid, Not Full
Change Token: 0x0000000E
Header Format: Type 1
Supported Log Type Descriptors: 4
Descriptor 1: POST error
Data Format 1: POST results bitmap
Descriptor 2: PCI system error
Data Format 2: None
Descriptor 3: System reconfigured
Data Format 3: None
Descriptor 4: Log area reset/cleared
Data Format 4: None
Handle 0x0036, DMI type 140, 85 bytes
OEM-specific Type
Header and Data:
8C 55 36 00 4C 45 4E 4F 56 4F 0B 00 01 01 63 31
E4 EC 98 B7 0E F5 EB 97 37 21 38 58 0A 01 00 04
50 60 C7 74 A4 6B CB B9 18 C6 FC 04 31 3F DF 01
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 07 00 00 00 7E 02 00 F0 7E 02 00 F0 7E
02 00 F0 00 F0
Handle 0x0037, DMI type 140, 47 bytes
OEM-specific Type
Header and Data:
8C 2F 37 00 4C 45 4E 4F 56 4F 0B 01 01 29 00 EC
54 71 90 A1 01 C9 E7 14 5F 99 0A E1 66 03 71 00
00 00 00 10 00 10 00 10 01 D0 00 20 01 00 01
Handle 0x0038, DMI type 140, 63 bytes
OEM-specific Type
Header and Data:
8C 3F 38 00 4C 45 4E 4F 56 4F 0B 02 01 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Handle 0x0039, DMI type 140, 17 bytes
OEM-specific Type
Header and Data:
8C 11 39 00 4C 45 4E 4F 56 4F 0B 03 01 00 00 00
00
Handle 0x003A, DMI type 140, 19 bytes
OEM-specific Type
Header and Data:
8C 13 3A 00 4C 45 4E 4F 56 4F 0B 04 01 B2 00 4D
53 20 00
Handle 0x003B, DMI type 140, 19 bytes
OEM-specific Type
Header and Data:
8C 13 3B 00 4C 45 4E 4F 56 4F 0B 05 01 07 00 00
00 00 00
Handle 0x003C, DMI type 140, 23 bytes
OEM-specific Type
Header and Data:
8C 17 3C 00 4C 45 4E 4F 56 4F 0B 06 01 8A 13 04
00 00 00 00 00 00 00
Handle 0x003D, DMI type 24, 5 bytes
Hardware Security
Power-On Password Status: Disabled
Keyboard Password Status: Not Implemented
Administrator Password Status: Disabled
Front Panel Reset Status: Not Implemented
Handle 0x003E, DMI type 132, 7 bytes
OEM-specific Type
Header and Data:
84 07 3E 00 01 C0 36
Handle 0x003F, DMI type 135, 18 bytes
OEM-specific Type
Header and Data:
87 12 3F 00 54 50 07 01 01 E0 07 00 00 00 07 00
00 00
Handle 0x0040, DMI type 0, 24 bytes
BIOS Information
Vendor: LENOVO
Version: GLET77WW (2.31 )
Release Date: 01/27/2015
Address: 0xE0000
Runtime Size: 128 kB
ROM Size: 12288 kB
Characteristics:
PCI is supported
PNP is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 2.31
Firmware Revision: 1.8
Handle 0x0041, DMI type 140, 15 bytes
OEM-specific Type
Header and Data:
8C 0F 41 00 4C 45 4E 4F 56 4F 0B 07 01 01 02
Strings:
GLHT25WW
11/14/2013
Handle 0x0042, DMI type 140, 43 bytes
OEM-specific Type
Header and Data:
8C 2B 42 00 4C 45 4E 4F 56 4F 0B 08 01 FF FF FF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF FF FF FF FF FF FF FF
Handle 0xFEFF, DMI type 127, 4 bytes
End Of Table
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor
DRAM Controller (rev 06)
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, fast devsel, latency 0
Capabilities: [e0] Vendor Specific Information: Len=0c <?>
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor
PCI Express x16 Controller (rev 06) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Capabilities: [88] Subsystem: Lenovo Device 220f
Capabilities: [80] Power Management version 3
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [a0] Express Root Port (Slot+), MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [140] Root Complex Link
Capabilities: [d94] #19
Kernel driver in use: pcieport
00:01.1 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor
PCI Express x8 Controller (rev 06) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
I/O behind bridge: 00003000-00003fff
Memory behind bridge: f0000000-f0ffffff
Prefetchable memory behind bridge: 00000000c0000000-00000000d1ffffff
Capabilities: [88] Subsystem: Lenovo Device 220f
Capabilities: [80] Power Management version 3
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [a0] Express Root Port (Slot+), MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [140] Root Complex Link
Capabilities: [d94] #19
Kernel driver in use: pcieport
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor
Integrated Graphics Controller (rev 06) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 221d
Flags: bus master, fast devsel, latency 0, IRQ 49
Memory at f1000000 (64-bit, non-prefetchable) [size=4M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 4000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Capabilities: [a4] PCI Advanced Features
Kernel driver in use: i915
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor
HD Audio Controller (rev 06)
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, fast devsel, latency 0, IRQ 48
Memory at f1630000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Kernel driver in use: snd_hda_intel
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family
USB xHCI (rev 04) (prog-if 30 [XHCI])
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, medium devsel, latency 0, IRQ 51
Memory at f1620000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [70] Power Management version 2
Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+
Kernel driver in use: xhci_hcd
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series
Chipset Family MEI Controller #1 (rev 04)
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, fast devsel, latency 0, IRQ 45
Memory at f1639000 (64-bit, non-prefetchable) [size=16]
Capabilities: [50] Power Management version 3
Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+
Kernel driver in use: mei_me
00:16.3 Serial controller: Intel Corporation 8 Series/C220 Series Chipset
Family KT Controller (rev 04) (prog-if 02 [16550])
Subsystem: Lenovo Device 220e
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 17
I/O ports at 40b0 [size=8]
Memory at f1640000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
Kernel driver in use: serial
00:19.0 Ethernet controller: Intel Corporation Ethernet Connection I217-LM (rev
04)
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, fast devsel, latency 0, IRQ 52
Memory at f1600000 (32-bit, non-prefetchable) [size=128K]
Memory at f163f000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 4080 [size=32]
Capabilities: [c8] Power Management version 2
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [e0] PCI Advanced Features
Kernel driver in use: e1000e
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family
USB EHCI #2 (rev 04) (prog-if 20 [EHCI])
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, medium devsel, latency 0, IRQ 16
Memory at f163e000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] PCI Advanced Features
Kernel driver in use: ehci-pci
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High
Definition Audio Controller (rev 04)
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, fast devsel, latency 0, IRQ 46
Memory at f1634000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI
Express Root Port #1 (rev d4) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
Memory behind bridge: f1500000-f15fffff
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
Capabilities: [90] Subsystem: Lenovo ThinkPad T440p
Capabilities: [a0] Power Management version 3
Kernel driver in use: pcieport
00:1c.1 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI
Express Root Port #2 (rev d4) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
Memory behind bridge: f1400000-f14fffff
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
Capabilities: [90] Subsystem: Lenovo ThinkPad T440p
Capabilities: [a0] Power Management version 3
Kernel driver in use: pcieport
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family
USB EHCI #1 (rev 04) (prog-if 20 [EHCI])
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at f163d000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] PCI Advanced Features
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge: Intel Corporation QM87 Express LPC Controller (rev 04)
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, medium devsel, latency 0
Capabilities: [e0] Vendor Specific Information: Len=0c <?>
Kernel driver in use: lpc_ich
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family
6-port SATA Controller 1 [AHCI mode] (rev 04) (prog-if 01 [AHCI 1.0])
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 47
I/O ports at 40a8 [size=8]
I/O ports at 40bc [size=4]
I/O ports at 40a0 [size=8]
I/O ports at 40b8 [size=4]
I/O ports at 4060 [size=32]
Memory at f163c000 (32-bit, non-prefetchable) [size=2K]
Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [70] Power Management version 3
Capabilities: [a8] SATA HBA v1.0
Kernel driver in use: ahci
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus
Controller (rev 04)
Subsystem: Lenovo ThinkPad T440p
Flags: medium devsel, IRQ 18
Memory at f1638000 (64-bit, non-prefetchable) [size=256]
I/O ports at efa0 [size=32]
Kernel driver in use: i801_smbus
02:00.0 VGA compatible controller: NVIDIA Corporation GK208M [GeForce GT 730M]
(rev a1) (prog-if 00 [VGA controller])
Flags: bus master, fast devsel, latency 0, IRQ 53
Memory at f0000000 (32-bit, non-prefetchable) [size=16M]
Memory at c0000000 (64-bit, prefetchable) [size=256M]
Memory at d0000000 (64-bit, prefetchable) [size=32M]
I/O ports at 3000 [size=128]
Expansion ROM at <ignored> [disabled]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [128] Power Budgeting <?>
Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024
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Capabilities: [900] #19
Kernel driver in use: nouveau
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI
Express Card Reader (rev 01)
Subsystem: Lenovo ThinkPad T440p
Flags: bus master, fast devsel, latency 0, IRQ 44
Memory at f1500000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 00-00-00-01-00-4c-e0-00
Capabilities: [150] Latency Tolerance Reporting
Capabilities: [158] L1 PM Substates
Kernel driver in use: rtsx_pci
04:00.0 Network controller: Intel Corporation Wireless 7260 (rev 83)
Subsystem: Intel Corporation Dual Band Wireless-N 7260
Flags: bus master, fast devsel, latency 0, IRQ 50
Memory at f1400000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [40] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 5c-c5-d4-ff-ff-68-97-4b
Capabilities: [14c] Latency Tolerance Reporting
Capabilities: [154] Vendor Specific Information: ID=cafe Rev=1 Len=014
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Kernel driver in use: iwlwifi
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