Jul 10 12:19:11 julia ACPI: System BIOS is requesting _OSI(Linux) Jul 10 12:19:11 julia ACPI: Please test with "acpi_osi=!Linux" Jul 10 12:19:11 julia Please send dmidecode to linux-acpi@xxxxxxxxxxxxxxx After adding acpi_osi=!Linux to the bootline the message stayed, and the behaviour of my laptop appears to be the same as without it.
# dmidecode 2.9 SMBIOS 2.4 present. 19 structures occupying 726 bytes. Table at 0x000F0260. Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: Acer Version: V2.83 Release Date: 03/21/2007 Address: 0xE48B0 Runtime Size: 112464 bytes ROM Size: 1024 kB Characteristics: 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 Print screen service is supported (int 5h) 8042 keyboard services are supported (int 9h) Printer services are supported (int 17h) CGA/mono video services are supported (int 10h) ACPI is supported USB legacy is supported AGP is supported Smart battery is supported BIOS boot specification is supported Targeted content distribution is supported Handle 0x0001, DMI type 1, 27 bytes System Information Manufacturer: Acer Product Name: Aspire 5100 Version: V2.83 Serial Number: LXABH0J252645153AC1601 UUID: 36323361-3930-3335-6237-0016D45A690C Wake-up Type: Power Switch SKU Number: Not Specified Family: Not Specified Handle 0x0002, DMI type 2, 8 bytes Base Board Information Manufacturer: Acer Product Name: Navarro Version: N/A Serial Number: LXABH0J252645153AC1601 Handle 0x0003, DMI type 3, 17 bytes Chassis Information Manufacturer: Acer Type: Notebook Lock: Not Present Version: N/A Serial Number: LXABH0J252645153AC1601 Asset Tag: Boot-up State: Safe Power Supply State: Safe Thermal State: Safe Security Status: None OEM Information: 0x00000000 Handle 0x0004, DMI type 4, 35 bytes Processor Information Socket Designation: Socket M2/S1G1 Type: Central Processor Family: Opteron Manufacturer: AMD ID: 82 0F 04 00 FF FB 8B 17 Signature: Family 15, Model 72, Stepping 2 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) MMX (MMX technology supported) FXSR (Fast floating-point save and restore) SSE (Streaming SIMD extensions) SSE2 (Streaming SIMD extensions 2) HTT (Hyper-threading technology) Version: Engineering Sample Voltage: 1.4 V External Clock: 200 MHz Max Speed: 1600 MHz Current Speed: 1600 MHz Status: Populated, Enabled Upgrade: Other L1 Cache Handle: Not Provided L2 Cache Handle: 0x0005 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: L2 Cache Configuration: Enabled, Socketed, Level 2 Operational Mode: Write Back Location: Internal Installed Size: 512 KB Maximum Size: 1024 KB Supported SRAM Types: Burst Pipeline Burst Installed SRAM Type: Synchronous Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: Unknown Handle 0x0006, DMI type 9, 13 bytes System Slot Information Designation: PCMCIA Slot0 Type: 32-bit PC Card (PCMCIA) Current Usage: Unknown Length: Long ID: Adapter 0, Socket 0 Characteristics: 5.0 V is provided 3.3 V is provided PC Card-16 is supported Cardbus is supported Hot-plug devices are supported Handle 0x0007, DMI type 10, 6 bytes On Board Device Information Type: Video Status: Disabled Description: ATI RS485M Handle 0x0008, DMI type 10, 6 bytes On Board Device Information Type: Sound Status: Disabled Description: HD-Audio Handle 0x0009, 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: 0x00000013 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 0x000A, DMI type 16, 15 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 4 GB Error Information Handle: Not Provided Number Of Devices: 2 Handle 0x000B, DMI type 17, 27 bytes Memory Device Array Handle: 0x000A Error Information Handle: No Error Total Width: 128 bits Data Width: 64 bits Size: 1024 MB Form Factor: DIMM Set: 1 Locator: S1 Bank Locator: Bank 0 Type: DDR2 Type Detail: Unknown Speed: Unknown Manufacturer: Not Specified Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified Handle 0x000C, DMI type 17, 27 bytes Memory Device Array Handle: 0x000A Error Information Handle: No Error Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: DIMM Set: 2 Locator: S2 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 0x000D, 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 0x000E, DMI type 19, 15 bytes Memory Array Mapped Address Starting Address: 0x00000000000 Ending Address: 0x0003FFFFFFF Range Size: 1 GB Physical Array Handle: 0x000A Partition Width: 0 Handle 0x000F, DMI type 20, 19 bytes Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x0003FFFFFFF Range Size: 1 GB Physical Device Handle: 0x000B Memory Array Mapped Address Handle: 0x000E Partition Row Position: 2 Interleave Position: 1 Interleaved Data Depth: 6 Handle 0x0010, DMI type 22, 26 bytes Portable Battery Location: 1st Battery Manufacturer: PANASONIC Name: PANASONIC Chemistry: Lithium Ion Design Capacity: 3900 mWh Design Voltage: 14800 mV SBDS Version: Not Specified Maximum Error: Unknown SBDS Serial Number: 0000 SBDS Manufacture Date: 1980-00-00 OEM-specific Information: 0x00000000 Handle 0x0011, DMI type 32, 11 bytes System Boot Information Status: No errors detected Handle 0x0012, DMI type 127, 4 bytes End Of Table
