Hello Hans, I've just upgraded a G50-30 and like Christian, I can not reproduce the issue. I logged into MATE and GNOME, played with the brightness settings while plugged in and on battery, it did not hang. # cat /sys/class/scsi_host/host*/link_power_management_policy med_power_with_dipm med_power_with_dipm SMART data: Model Family: Seagate FireCuda 2.5 Device Model: ST1000LX015-1U7172 Serial Number: LU WWN Device Id: 5 000c50 0acde0e96 Firmware Version: SDM1 User Capacity: 1,000,204,886,016 bytes [1.00 TB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: 5400 rpm Form Factor: 2.5 inches Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-3 T13/2161-D revision 3b SATA Version is: SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s) Local Time is: Sun Apr 29 20:48:35 2018 CEST SMART support is: Available - device has SMART capability. SMART support is: Enabled I hope that helps, Alex
# dmidecode 3.1 Getting SMBIOS data from sysfs. SMBIOS 2.7 present. 53 structures occupying 2096 bytes. Table at 0x78B37000. Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: LENOVO Version: A7CN48WW Release Date: 08/03/2015 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 4096 kB Characteristics: PCI is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported EDD is supported 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) Printer services are supported (int 17h) CGA/mono video services are supported (int 10h) ACPI is supported USB legacy is supported ATAPI Zip drive boot is supported BIOS boot specification is supported Function key-initiated network boot is supported Targeted content distribution is supported BIOS Revision: 1.48 Firmware Revision: 1.48 Handle 0x0001, DMI type 1, 27 bytes System Information Manufacturer: LENOVO Product Name: 80G0 Version: Lenovo G50-30 Serial Number: <redacted> UUID: CA4A6FFA-630D-11E4-B57F-68F7281FC520 Wake-up Type: Power Switch SKU Number: LENOVO_MT_80G0_BU_idea_FM_Lenovo G50-30 Family: IDEAPAD Handle 0x0002, DMI type 2, 17 bytes Base Board Information Manufacturer: LENOVO Product Name: Lancer 5A6 Version: SDK0F82993WIN Serial Number: <redacted> Asset Tag: NO Asset Tag Features: Board is a hosting board Board is replaceable Location In Chassis: Type2 - Board Chassis Location Chassis Handle: 0x0003 Type: Motherboard Contained Object Handles: 0 Handle 0x0003, DMI type 3, 24 bytes Chassis Information Manufacturer: LENOVO Type: Notebook Lock: Not Present Version: Lenovo G50-30 Serial Number: <redacted> Asset Tag: NO Asset Tag Boot-up State: Safe Power Supply State: Safe Thermal State: Safe Security Status: None OEM Information: 0x00000000 Height: Unspecified Number Of Power Cords: 1 Contained Elements: 0 SKU Number: Not Specified Handle 0x0004, DMI type 4, 42 bytes Processor Information Socket Designation: CPU 1 Type: Central Processor Family: Atom Manufacturer: Intel(R) Corporation ID: 78 06 03 00 FF FB EB BF Signature: Type 0, Family 6, Model 55, Stepping 8 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) Celeron(R) CPU N2840 @ 2.16GHz Voltage: 0.9 V External Clock: 83 MHz Max Speed: 2573 MHz Current Speed: 2176 MHz Status: Populated, Enabled Upgrade: None L1 Cache Handle: 0x0008 L2 Cache Handle: 0x0009 L3 Cache Handle: Not Provided Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified Core Count: 2 Core Enabled: 2 Thread Count: 1 Characteristics: 64-bit capable Multi-Core Execute Protection Enhanced Virtualization Power/Performance Control Handle 0x0005, DMI type 6, 12 bytes Memory Module Information Socket Designation: DIMM0 Bank Connections: 0 0 Current Speed: Unknown Type: None Installed Size: 4096 MB (Single-bank Connection) Enabled Size: 4096 MB (Single-bank Connection) Error Status: OK Handle 0x0006, DMI type 6, 12 bytes Memory Module Information Socket Designation: DIMM1 Bank Connections: 0 0 Current Speed: Unknown Type: None Installed Size: Not Installed Enabled Size: Not Installed Error Status: OK Handle 0x0007, DMI type 7, 19 bytes Cache Information Socket Designation: Unknown Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 24 kB Maximum Size: 24 kB Supported SRAM Types: Synchronous Installed SRAM Type: Synchronous Speed: Unknown Error Correction Type: Single-bit ECC System Type: Data Associativity: Fully Associative Handle 0x0008, DMI type 7, 19 bytes Cache Information Socket Designation: Unknown Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 32 kB Maximum Size: 32 kB Supported SRAM Types: Synchronous Installed SRAM Type: Synchronous Speed: Unknown Error Correction Type: Single-bit ECC System Type: Instruction Associativity: 8-way Set-associative Handle 0x0009, DMI type 7, 19 bytes Cache Information Socket Designation: Unknown Configuration: Enabled, Not Socketed, Level 2 Operational Mode: Write Back Location: Internal Installed Size: 1024 kB Maximum Size: 1024 kB Supported SRAM Types: Synchronous Installed SRAM Type: Synchronous Speed: Unknown Error Correction Type: Single-bit ECC System Type: Unified Associativity: 16-way Set-associative Handle 0x000A, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J1A2 Internal Connector Type: None External Reference Designator: USB2.0 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x000B, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J1A2 Internal Connector Type: None External Reference Designator: USB2.0 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x000C, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J2A2 Internal Connector Type: None External Reference Designator: USB3.0 Port0 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x000D, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J9D1 Internal Connector Type: None External Reference Designator: UART to Micro USB External Connector Type: Access Bus (USB) Port Type: USB Handle 0x000E, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: CON6A1 Internal Connector Type: None External Reference Designator: SD Card External Connector Type: Other Port Type: Other Handle 0x000F, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J9B1 Internal Connector Type: None External Reference Designator: Keyboard External Connector Type: PS/2 Port Type: Keyboard Port Handle 0x0010, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J9B1 Internal Connector Type: None External Reference Designator: Mouse External Connector Type: PS/2 Port Type: Mouse Port Handle 0x0011, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J5A1 Internal Connector Type: None External Reference Designator: Microphone External Connector Type: Mini Jack (headphones) Port Type: Audio Port Handle 0x0012, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J5A1 Internal Connector Type: None External Reference Designator: Line In External Connector Type: Mini Jack (headphones) Port Type: Audio Port Handle 0x0013, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J5A1 Internal Connector Type: None External Reference Designator: Line Out External Connector Type: Mini Jack (headphones) Port Type: Audio Port Handle 0x0014, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J7A1 Internal Connector Type: None External Reference Designator: Audio Jack External Connector Type: Mini Jack (headphones) Port Type: Audio Port Handle 0x0015, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J2A2 Internal Connector Type: None External Reference Designator: Network Rj45 Jack External Connector Type: RJ-45 Port Type: Network Port Handle 0x0016, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J4J1 Internal Connector Type: None External Reference Designator: SATA External Connector Type: SAS/SATA Plug Receptacle Port Type: Other Handle 0x0017, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J4E2 Internal Connector Type: SAS/SATA Plug Receptacle External Reference Designator: SATA Cable External Connector Type: None Port Type: Other Handle 0x0018, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J4A1 Internal Connector Type: None External Reference Designator: VGA External Connector Type: DB-15 female Port Type: Video Port Handle 0x0019, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J1A1 Internal Connector Type: None External Reference Designator: Display Port External Connector Type: Other Port Type: Video Port Handle 0x001A, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J3A1 Internal Connector Type: None External Reference Designator: Display Port External Connector Type: Other Port Type: Video Port Handle 0x001B, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J9B4 Internal Connector Type: None External Reference Designator: Serial Port External Connector Type: DB-9 male Port Type: Serial Port 16550A Compatible Handle 0x001C, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: J2A1 Internal Connector Type: None External Reference Designator: HDMI External Connector Type: Other Port Type: Other Handle 0x001D, DMI type 9, 17 bytes System Slot Information Designation: J5C1 Type: x4 PCI Express x4 Current Usage: Available Length: Other ID: 0 Characteristics: PME signal is supported Hot-plug devices are supported SMBus signal is supported Bus Address: 0000:00:00.0 Handle 0x001E, DMI type 9, 17 bytes System Slot Information Designation: J4B3 Type: x1 PCI Express x1 Current Usage: Available Length: Other ID: 0 Characteristics: PME signal is supported Hot-plug devices are supported SMBus signal is supported Bus Address: 0000:00:00.0 Handle 0x001F, DMI type 9, 17 bytes System Slot Information Designation: J6C1 Type: x1 PCI Express x1 Current Usage: Available Length: Other ID: 0 Characteristics: PME signal is supported Hot-plug devices are supported SMBus signal is supported Bus Address: 0000:00:00.0 Handle 0x0020, DMI type 9, 17 bytes System Slot Information Designation: J6D1 Type: x1 PCI Express x1 Current Usage: Available Length: Other ID: 0 Characteristics: PME signal is supported Hot-plug devices are supported SMBus signal is supported Bus Address: 0000:00:00.0 Handle 0x0021, DMI type 11, 5 bytes OEM Strings String 1: Insyde Chipset Handle 0x0022, DMI type 12, 5 bytes System Configuration Options Option 1: String1 for Type12 Equipment Manufacturer Option 2: String2 for Type12 Equipment Manufacturer Option 3: String3 for Type12 Equipment Manufacturer Option 4: String4 for Type12 Equipment Manufacturer Handle 0x0023, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Long Installable Languages: 4 en|US|iso8859-1 fr|CA|iso8859-1 zh|TW|unicode ja|JP|unicode Currently Installed Language: en|US|iso8859-1 Handle 0x0024, DMI type 15, 29 bytes System Event Log Area Length: 0 bytes Header Start Offset: 0x0000 Header Length: 32 bytes Data Start Offset: 0x0020 Access Method: General-purpose non-volatile data functions Access Address: 0x0000 Status: Valid, Not Full Change Token: 0x12345678 Header Format: OEM-specific Supported Log Type Descriptors: 3 Descriptor 1: POST memory resize Data Format 1: None Descriptor 2: POST error Data Format 2: POST results bitmap Descriptor 3: Log area reset/cleared Data Format 3: None Handle 0x0025, DMI type 16, 15 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 8 GB Error Information Handle: No Error Number Of Devices: 2 Handle 0x0026, DMI type 17, 34 bytes Memory Device Array Handle: 0x0025 Error Information Handle: No Error Total Width: 64 bits Data Width: 64 bits Size: 4096 MB Form Factor: SODIMM Set: None Locator: DIMM0 Bank Locator: BANK 0 Type: DDR3 Type Detail: Synchronous Speed: 1333 MT/s Manufacturer: 20 Serial Number: 00000000 Asset Tag: Unknown Part Number: F3-1333C9-4GSL Rank: Unknown Configured Clock Speed: 1333 MT/s Handle 0x0027, DMI type 17, 34 bytes Memory Device Array Handle: 0x0025 Error Information Handle: No Error Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: SODIMM Set: None Locator: DIMM1 Bank Locator: BANK 1 Type: Unknown Type Detail: None Speed: Unknown Manufacturer: Not Specified Serial Number: Not Specified Asset Tag: Unknown Part Number: Not Specified Rank: Unknown Configured Clock Speed: Unknown Handle 0x0028, DMI type 19, 15 bytes Memory Array Mapped Address Starting Address: 0x00000000000 Ending Address: 0x000FFFFFFFF Range Size: 4 GB Physical Array Handle: 0x0025 Partition Width: 2 Handle 0x0029, DMI type 20, 19 bytes Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x000FFFFFFFF Range Size: 4 GB Physical Device Handle: 0x0026 Memory Array Mapped Address Handle: 0x0028 Partition Row Position: Unknown Handle 0x002A, DMI type 21, 7 bytes Built-in Pointing Device Type: Touch Pad Interface: PS/2 Buttons: 2 Handle 0x002B, DMI type 22, 26 bytes Portable Battery Location: I2C2 Manufacturer: Intel SR 1 Manufacture Date: Date Serial Number: 123456789 Name: SR Real Battery Chemistry: Lithium Ion Design Capacity: 0 mWh Design Voltage: 3750 mV SBDS Version: CRB Battery 0 Maximum Error: Unknown OEM-specific Information: 0x00000000 Handle 0x002C, DMI type 26, 22 bytes Voltage Probe Description: Voltage Probe Description. Location: <OUT OF SPEC> Status: <OUT OF SPEC> Maximum Value: Unknown Minimum Value: Unknown Resolution: Unknown Tolerance: Unknown Accuracy: Unknown OEM-specific Information: 0x00000000 Nominal Value: Unknown Handle 0x002D, DMI type 27, 15 bytes Cooling Device Type: Chip Fan Status: OK OEM-specific Information: 0x00000000 Nominal Speed: Unknown Or Non-rotating Description: Cooling Device Description. Handle 0x002E, DMI type 28, 22 bytes Temperature Probe Description: Temperature Probe Description. Location: Unknown Status: Unknown Maximum Value: Unknown Minimum Value: Unknown Resolution: Unknown Tolerance: Unknown Accuracy: Unknown OEM-specific Information: 0x00000000 Nominal Value: Unknown Handle 0x002F, DMI type 32, 11 bytes System Boot Information Status: No errors detected Handle 0x0030, DMI type 39, 22 bytes System Power Supply Location: OEM_Define0 Name: OEM_Define1 Manufacturer: OEM_Define2 Serial Number: OEM_Define3 Asset Tag: OEM_Define4 Model Part Number: OEM_Define5 Revision: OEM_Define6 Max Power Capacity: 75 W Status: Present, OK Type: Regulator Input Voltage Range Switching: Auto-switch Plugged: No Hot Replaceable: No Input Voltage Probe Handle: 0x002C Cooling Device Handle: 0x002D Handle 0x0031, DMI type 41, 11 bytes Onboard Device Reference Designation: IGD Type: Video Status: Disabled Type Instance: 1 Bus Address: 0000:00:02.0 Handle 0x0032, DMI type 133, 5 bytes OEM-specific Type Header and Data: 85 05 32 00 01 Strings: KHOIHGIUCCHHII Handle 0x0033, DMI type 200, 16 bytes OEM-specific Type Header and Data: C8 10 33 00 01 02 01 1E 01 10 01 3D B2 80 01 05 Strings: IdeaPad 80G0018JGM Handle 0xFEFF, DMI type 127, 4 bytes End Of Table
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