This laptop runs fine with acpi_osi=!Linux set. Please find the output of dmidecode attached. Thanks, Jon
# dmidecode 2.9 SMBIOS 2.4 present. 27 structures occupying 867 bytes. Table at 0x000DC010. Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: Hewlett-Packard Version: F.34 Release Date: 06/02/2007 Address: 0xE7F70 Runtime Size: 98448 bytes ROM Size: 1024 kB Characteristics: ISA is supported PCI is supported PC Card (PCMCIA) is supported PNP is supported APM is supported BIOS is upgradeable BIOS shadowing is allowed ESCD support is available Boot from CD is supported ACPI is supported USB legacy is supported AGP is supported BIOS boot specification is supported Targeted content distribution is supported BIOS Revision: 15.52 Firmware Revision: 62.87 Handle 0x0001, DMI type 1, 27 bytes System Information Manufacturer: Hewlett-Packard Product Name: HP Pavilion dv2000 (RU768UA#ABL) Version: F.34 Serial Number: 2CE70316S8 UUID: E96DC580-A67A-11DB-8913-FD9012877077 Wake-up Type: Power Switch SKU Number: RU768UA#ABL Family: 103C_5335KV Handle 0x0002, DMI type 2, 8 bytes Base Board Information Manufacturer: Wistron Product Name: 30B5 Version: 62.57 Serial Number: Handle 0x0003, DMI type 3, 17 bytes Chassis Information Manufacturer: Wistron Type: Notebook Lock: Not Present Version: N/A Serial Number: Asset Tag: Boot-up State: Unknown Power Supply State: Unknown Thermal State: Unknown Security Status: Unknown OEM Information: 0x00001200 Handle 0x0004, DMI type 4, 35 bytes Processor Information Socket Designation: U1 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: AMD Turion(tm) 64 X2 Voltage: 3.3 V External Clock: 200 MHz Max Speed: 1600 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: 16 KB Maximum Size: 16 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: 1024 KB Maximum Size: 2048 KB Supported SRAM Types: Burst Pipeline Burst Asynchronous Installed SRAM Type: Synchronous Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: Unknown Handle 0x0007, DMI type 9, 13 bytes System Slot Information Designation: PCMCIA Slot CBUS1 Type: 32-bit PC Card (PCMCIA) Current Usage: Available 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 Handle 0x0008, DMI type 10, 6 bytes On Board Device Information Type: Video Status: Enabled Description: 64 Handle 0x0009, DMI type 11, 5 bytes OEM Strings String 1: $HP$ String 2: LOC#yyy Handle 0x000A, DMI type 15, 29 bytes System Event Log Area Length: 0 bytes Header Start Offset: 0x0000 Data Start Offset: 0x0000 Access Method: General-purpose non-volatile data functions Access Address: 0x0000 Status: Invalid, Not Full Change Token: 0x00000000 Header Format: No Header 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: 4 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: 1024 MB Form Factor: SODIMM Set: 1 Locator: M1 Bank Locator: Bank 0 Type: DDR Type Detail: Synchronous Speed: 667 MHz (1.5 ns) 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: 1024 MB Form Factor: SODIMM Set: 1 Locator: M2 Bank Locator: Bank 1 Type: DDR Type Detail: Synchronous Speed: 667 MHz (1.5 ns) 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: 0x0007FFFFFFF Range Size: 2 GB Physical Array Handle: 0x000B Partition Width: 0 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: 1 Handle 0x0010, 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 0x0011, DMI type 24, 5 bytes Hardware Security Power-On Password Status: Disabled Keyboard Password Status: Unknown Administrator Password Status: Enabled Front Panel Reset Status: Unknown Handle 0x0012, DMI type 25, 9 bytes System Power Controls Next Scheduled Power-on: 12-31 23:59:59 Handle 0x0013, 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 0x0014, DMI type 27, 12 bytes Cooling Device Temperature Probe Handle: 0x0015 Type: Fan Status: OK OEM-specific Information: 0x00000000 Handle 0x0015, 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 0x0016, 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 0x0017, DMI type 30, 6 bytes Out-of-band Remote Access Manufacturer Name: Intel Inbound Connection: Enabled Outbound Connection: Disabled Handle 0x0018, DMI type 32, 20 bytes System Boot Information Status: <OUT OF SPEC> Handle 0x0019, DMI type 150, 14 bytes OEM-specific Type Header and Data: 96 0E 19 00 01 01 00 00 00 00 00 00 00 00 Strings: ABSOLUTE(PHOENIX) CLM Handle 0x001A, DMI type 127, 4 bytes End Of Table
