Hi. For my laptop using acpi_osi=Linux seems to be working better, but
I'm not completely sure in that.
What I don't like is the following cut from /var/log/messages
>Jan 19 14:19:09 blending kernel: PCI: MSI quirk detected. MSI deactivated.
>Jan 19 14:19:09 blending kernel: assign_interrupt_mode Found MSI capability
>Jan 19 14:19:10 blending kernel:last message repeated 3 times
>Jan 19 14:19:09 blending kernel: pci_hotplug: PCI Hot Plug PCI Core
version: 0.5
>Jan 19 14:19:09 blending kernel: ACPI Exception
(processor_core-0819): AE_NOT_FOUND, Processor Device is not present
[20070126]
That is true in both cases (with and without acpi_osi=Linux option.
However I'm attaching dmidecode for my laptop.
P.S.
>Jan 19 14:19:09 blending kernel: ACPI: System BIOS is requesting _OSI(Linux)
# dmidecode 2.7
SMBIOS 2.4 present.
35 structures occupying 1106 bytes.
Table at 0x000F1790.
Handle 0x0000, DMI type 0, 24 bytes.
BIOS Information
Vendor: Acer
Version: v1.3303
Release Date: 01/23/07
Address: 0xE5230
Runtime Size: 110032 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
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Targeted content distribution is supported
Handle 0x0001, DMI type 1, 27 bytes.
System Information
Manufacturer: Acer, inc.
Product Name: Aspire 5050
Version: Not Applicable
Serial Number: LXAV40Y0867120E60B2502
UUID: C09465D5-4F87-D811-BCCB-001B240E64F7
Wake-up Type: Power Switch
SKU Number: Not Specified
Family: Not Specified
Handle 0x0002, DMI type 2, 8 bytes.
Base Board Information
Manufacturer: Acer, Inc.
Product Name: Prespa M
Version: Not Applicable
Serial Number: LXAV40Y0867120E60B2502
Handle 0x0003, DMI type 3, 17 bytes.
Chassis Information
Manufacturer: Acer, Inc.
Type: Other
Lock: Not Present
Version: N/A
Serial Number: None
Asset Tag: GTema
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: Socket M2/S1G1
Type: Central Processor
Family: Opteron
Manufacturer: AMD
ID: C2 0F 04 00 FF FB 8B 07
Signature: Extended Family 0, Model C, 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)
Version: Engineering Sample
Voltage: 1.4 V
External Clock: 133 MHz
Max Speed: 2200 MHz
Current Speed: 2200 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 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J28
Internal Connector Type: None
External Reference Designator: COM A
External Connector Type: DB-9 male
Port Type: Serial Port 16550A Compatible
Handle 0x0007, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J28
Internal Connector Type: None
External Reference Designator: Parallel
External Connector Type: DB-25 female
Port Type: Parallel Port ECP/EPP
Handle 0x0008, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J28
Internal Connector Type: None
External Reference Designator: Video
External Connector Type: DB-15 female
Port Type: Video Port
Handle 0x0009, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J33
Internal Connector Type: None
External Reference Designator: Keyboard
External Connector Type: Circular DIN-8 male
Port Type: Keyboard Port
Handle 0x000A, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J33
Internal Connector Type: None
External Reference Designator: PS/2 Mouse
External Connector Type: Circular DIN-8 male
Port Type: Keyboard Port
Handle 0x000B, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J31
Internal Connector Type: None
External Reference Designator: USB 1
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x000C, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J32
Internal Connector Type: None
External Reference Designator: USB 2
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x000D, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J32
Internal Connector Type: None
External Reference Designator: USB 3
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x000E, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J31
Internal Connector Type: None
External Reference Designator: USB 4
External Connector Type: Access Bus (USB)
Port Type: USB
Handle 0x000F, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J30
Internal Connector Type: None
External Reference Designator: Microphone In
External Connector Type: Mini Jack (headphones)
Port Type: Audio Port
Handle 0x0010, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J30
Internal Connector Type: None
External Reference Designator: Line In
External Connector Type: Mini Jack (headphones)
Port Type: Audio Port
Handle 0x0011, DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: J30
Internal Connector Type: None
External Reference Designator: Speaker Out
External Connector Type: Mini Jack (headphones)
Port Type: Audio Port
Handle 0x0012, DMI type 9, 13 bytes.
System Slot Information
Designation: PCI1
Type: 32-bit PCI
Current Usage: Unknown
Length: Long
ID: 0
Characteristics:
5.0 V is provided
3.3 V is provided
PME signal is supported
Handle 0x0013, DMI type 9, 13 bytes.
System Slot Information
Designation: PCI2
Type: 32-bit PCI
Current Usage: Unknown
Length: Long
ID: 0
Characteristics:
5.0 V is provided
3.3 V is provided
PME signal is supported
Handle 0x0014, DMI type 9, 13 bytes.
System Slot Information
Designation: PCI3
Type: 32-bit PCI
Current Usage: Unknown
Length: Long
ID: 0
Characteristics:
5.0 V is provided
3.3 V is provided
PME signal is supported
Handle 0x0015, DMI type 10, 6 bytes.
On Board Device Information
Type: Video
Status: Disabled
Description: ATI RS400M
Handle 0x0016, DMI type 10, 6 bytes.
On Board Device Information
Type: Sound
Status: Disabled
Description: ESS 1869
Handle 0x0017, DMI type 11, 5 bytes.
OEM Strings
String 1: AMD New Processor Technology
String 2: www.amd.com
String 3: Have a nice day :)
Handle 0x0018, DMI type 12, 5 bytes.
System Configuration Options
Option 1: J13 1-2 Normal Operation, 2-3 Clear CMOS
Handle 0x0019, DMI type 13, 22 bytes.
BIOS Language Information
Installable Languages: 1
enUS
Currently Installed Language: enUS
Handle 0x001A, 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: 0x00000003
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 0x001B, 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 0x001C, DMI type 17, 27 bytes.
Memory Device
Array Handle: 0x001B
Error Information Handle: No Error
Total Width: 128 bits
Data Width: 64 bits
Size: 512 MB
Form Factor: DIMM
Set: 1
Locator: S1
Bank Locator: DIMM1
Type: DDR2
Type Detail: Synchronous
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Handle 0x001D, DMI type 17, 27 bytes.
Memory Device
Array Handle: 0x001B
Error Information Handle: No Error
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: 2
Locator: S2
Bank Locator: DIMM2
Type: DDR2
Type Detail: Unknown
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Handle 0x001E, 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 0x001F, DMI type 19, 15 bytes.
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0001FFFFFFF
Range Size: 512 MB
Physical Array Handle: 0x001B
Partition Width: 0
Handle 0x0020, DMI type 20, 19 bytes.
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0001FFFFFFF
Range Size: 512 MB
Physical Device Handle: 0x001C
Memory Array Mapped Address Handle: 0x001F
Partition Row Position: 2
Interleave Position: 1
Interleaved Data Depth: 6
Handle 0x0021, DMI type 32, 20 bytes.
System Boot Information
Status: <OUT OF SPEC>
Handle 0x0022, DMI type 127, 4 bytes.
End Of Table
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