Created attachment 106460 [details]
lspci -v

Additional note: The card is PCI-E running on a B-TX board with a Core2 (non-Duo) CPU.

What chipset does your motherboard use?  Can you also attach the output of /proc/interrupts from your system?

Created attachment 106523 [details]
/proc/interrupts

Output of /proc/interrupts when booted using radeon.msi=-1, switched to VT before X11 kicked in.

Created attachment 106524 [details]
dmidecode

The mainboard a MicroStar MS-7318. Based on the information on http://www.medion.com/de/service/_lightbox/treiber.php?msn=10010251 I think it is a VIA Hyperion Pro.

Comment on attachment 106524 [details]
dmidecode

>$ sudo dmidecode
># dmidecode 2.11
>SMBIOS 2.4 present.
>34 structures occupying 1074 bytes.
>Table at 0x000F0000.
>
>Handle 0x0000, DMI type 0, 24 bytes
>BIOS Information
>	Vendor: Phoenix Technologies, LTD
>	Version: 6.00 PG
>	Release Date: 11/09/2006
>	Address: 0xE0000
>	Runtime Size: 128 kB
>	ROM Size: 512 kB
>	Characteristics:
>		ISA is supported
>		PCI is supported
>		PNP is supported
>		APM is supported
>		BIOS is upgradeable
>		BIOS shadowing is allowed
>		Boot from CD is supported
>		Selectable boot is supported
>		BIOS ROM is socketed
>		EDD is supported
>		5.25"/360 kB floppy services are supported (int 13h)
>		5.25"/1.2 MB floppy services are supported (int 13h)
>		3.5"/720 kB floppy services are supported (int 13h)
>		3.5"/2.88 MB floppy services are supported (int 13h)
>		Print screen service is supported (int 5h)
>		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
>		AGP is supported
>		LS-120 boot is supported
>		ATAPI Zip drive boot is supported
>		BIOS boot specification is supported
>
>Handle 0x0001, DMI type 1, 27 bytes
>System Information
>	Manufacturer: MEDIONPC
>	Product Name: MS-7318
>	Version:  
>	Serial Number:  
>	UUID: 902E4650-7E1E-B211-8000-64456E4E6973
>	Wake-up Type: Power Switch
>	SKU Number:  
>	Family:  
>
>Handle 0x0002, DMI type 2, 8 bytes
>Base Board Information
>	Manufacturer: MICRO-STAR INTERNATIONAL CO., LTD
>	Product Name: MS-7318
>	Version:  
>	Serial Number:  
>
>Handle 0x0003, DMI type 3, 17 bytes
>Chassis Information
>	Manufacturer:  
>	Type: Desktop
>	Lock: Not Present
>	Version:  
>	Serial Number:  
>	Asset Tag:  
>	Boot-up State: Unknown
>	Power Supply State: Unknown
>	Thermal State: Unknown
>	Security Status: Unknown
>	OEM Information: 0x00000000
>
>Handle 0x0004, DMI type 4, 35 bytes
>Processor Information
>	Socket Designation: Socket 775
>	Type: Central Processor
>	Family: Other
>	Manufacturer: Intel
>	ID: F6 06 00 00 FF FB EB BF
>	Signature: Type 0, Family 6, Model 15, Stepping 6
>	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)2
>	Voltage: 0.0 V
>	External Clock: 266 MHz
>	Max Speed: 1500 MHz
>	Current Speed: 1862 MHz
>	Status: Populated, Enabled
>	Upgrade: ZIF Socket
>	L1 Cache Handle: 0x0009
>	L2 Cache Handle: 0x000B
>	L3 Cache Handle: Not Provided
>	Serial Number:  
>	Asset Tag:  
>	Part Number:  
>
>Handle 0x0005, DMI type 4, 35 bytes
>Processor Information
>	Socket Designation: Socket 775
>	Type: Central Processor
>	Family: Other
>	Manufacturer: Intel
>	ID: F6 06 00 00 FF FB EB BF
>	Signature: Type 0, Family 6, Model 15, Stepping 6
>	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)2
>	Voltage: 0.0 V
>	External Clock: 266 MHz
>	Max Speed: 1500 MHz
>	Current Speed: 1862 MHz
>	Status: Populated, Enabled
>	Upgrade: ZIF Socket
>	L1 Cache Handle: 0x000A
>	L2 Cache Handle: 0x000C
>	L3 Cache Handle: Not Provided
>	Serial Number:  
>	Asset Tag:  
>	Part Number:  
>
>Handle 0x0006, DMI type 5, 20 bytes
>Memory Controller Information
>	Error Detecting Method: None
>	Error Correcting Capabilities:
>		None
>	Supported Interleave: One-way Interleave
>	Current Interleave: Four-way Interleave
>	Maximum Memory Module Size: 32 MB
>	Maximum Total Memory Size: 64 MB
>	Supported Speeds:
>		70 ns
>		60 ns
>	Supported Memory Types:
>		Standard
>		EDO
>	Memory Module Voltage: 5.0 V
>	Associated Memory Slots: 2
>		0x0007
>		0x0008
>	Enabled Error Correcting Capabilities: None
>
>Handle 0x0007, DMI type 6, 12 bytes
>Memory Module Information
>	Socket Designation: A0
>	Bank Connections: 0
>	Current Speed: 37 ns
>	Type: Other Unknown EDO
>	Installed Size: 8192 MB (Single-bank Connection)
>	Enabled Size: 8192 MB (Single-bank Connection)
>	Error Status: OK
>
>Handle 0x0008, DMI type 6, 12 bytes
>Memory Module Information
>	Socket Designation: A1
>	Bank Connections: 2
>	Current Speed: 37 ns
>	Type: Other Unknown EDO
>	Installed Size: 8192 MB (Single-bank Connection)
>	Enabled Size: 8192 MB (Single-bank Connection)
>	Error Status: OK
>
>Handle 0x0009, DMI type 7, 19 bytes
>Cache Information
>	Socket Designation: Internal Cache
>	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: Unknown
>	System Type: Unknown
>	Associativity: Unknown
>
>Handle 0x000A, DMI type 7, 19 bytes
>Cache Information
>	Socket Designation: Internal Cache
>	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: Unknown
>	System Type: Unknown
>	Associativity: Unknown
>
>Handle 0x000B, DMI type 7, 19 bytes
>Cache Information
>	Socket Designation: External Cache
>	Configuration: Enabled, Not Socketed, Level 2
>	Operational Mode: Write Back
>	Location: External
>	Installed Size: 0 kB
>	Maximum Size: 0 kB
>	Supported SRAM Types:
>		Synchronous
>	Installed SRAM Type: Synchronous
>	Speed: Unknown
>	Error Correction Type: Unknown
>	System Type: Unknown
>	Associativity: Unknown
>
>Handle 0x000C, DMI type 7, 19 bytes
>Cache Information
>	Socket Designation: External Cache
>	Configuration: Enabled, Not Socketed, Level 2
>	Operational Mode: Write Back
>	Location: External
>	Installed Size: 0 kB
>	Maximum Size: 0 kB
>	Supported SRAM Types:
>		Synchronous
>	Installed SRAM Type: Synchronous
>	Speed: Unknown
>	Error Correction Type: Unknown
>	System Type: Unknown
>	Associativity: Unknown
>
>Handle 0x000D, DMI type 8, 9 bytes
>Port Connector Information
>	Internal Reference Designator: PRIMARY IDE
>	Internal Connector Type: On Board IDE
>	External Reference Designator: Not Specified
>	External Connector Type: None
>	Port Type: Other
>
>Handle 0x000E, DMI type 8, 9 bytes
>Port Connector Information
>	Internal Reference Designator: SECONDARY IDE
>	Internal Connector Type: On Board IDE
>	External Reference Designator: Not Specified
>	External Connector Type: None
>	Port Type: Other
>
>Handle 0x000F, DMI type 8, 9 bytes
>Port Connector Information
>	Internal Reference Designator: FDD
>	Internal Connector Type: On Board Floppy
>	External Reference Designator: Not Specified
>	External Connector Type: None
>	Port Type: 8251 FIFO Compatible
>
>Handle 0x0010, DMI type 8, 9 bytes
>Port Connector Information
>	Internal Reference Designator: COM1
>	Internal Connector Type: 9 Pin Dual Inline (pin 10 cut)
>	External Reference Designator:  
>	External Connector Type: DB-9 male
>	Port Type: Serial Port 16450 Compatible
>
>Handle 0x0011, DMI type 8, 9 bytes
>Port Connector Information
>	Internal Reference Designator: COM2
>	Internal Connector Type: 9 Pin Dual Inline (pin 10 cut)
>	External Reference Designator:  
>	External Connector Type: DB-9 male
>	Port Type: Serial Port 16450 Compatible
>
>Handle 0x0012, DMI type 8, 9 bytes
>Port Connector Information
>	Internal Reference Designator: LPT1
>	Internal Connector Type: DB-25 female
>	External Reference Designator:  
>	External Connector Type: DB-25 female
>	Port Type: Parallel Port ECP/EPP
>
>Handle 0x0013, DMI type 8, 9 bytes
>Port Connector Information
>	Internal Reference Designator: Keyboard
>	Internal Connector Type: PS/2
>	External Reference Designator:  
>	External Connector Type: PS/2
>	Port Type: Keyboard Port
>
>Handle 0x0014, DMI type 8, 9 bytes
>Port Connector Information
>	Internal Reference Designator: PS/2 Mouse
>	Internal Connector Type: PS/2
>	External Reference Designator:  
>	External Connector Type: PS/2
>	Port Type: Mouse Port
>
>Handle 0x0015, DMI type 8, 9 bytes
>Port Connector Information
>	Internal Reference Designator: Not Specified
>	Internal Connector Type: None
>	External Reference Designator: USB0
>	External Connector Type: Other
>	Port Type: USB
>
>Handle 0x0016, DMI type 9, 13 bytes
>System Slot Information
>	Designation: PCI0
>	Type: 32-bit PCI
>	Current Usage: Available
>	Length: Long
>	ID: 1
>	Characteristics:
>		5.0 V is provided
>		PME signal is supported
>
>Handle 0x0017, DMI type 9, 13 bytes
>System Slot Information
>	Designation: PCI1
>	Type: 32-bit PCI
>	Current Usage: Available
>	Length: Long
>	ID: 2
>	Characteristics:
>		5.0 V is provided
>		PME signal is supported
>
>Handle 0x0018, DMI type 9, 13 bytes
>System Slot Information
>	Designation: AGP
>	Type: 32-bit AGP
>	Current Usage: In Use
>	Length: Long
>	ID: 8
>	Characteristics:
>		5.0 V is provided
>
>Handle 0x0019, DMI type 13, 22 bytes
>BIOS Language Information
>	Language Description Format: Long
>	Installable Languages: 3
>		n|US|iso8859-1
>		n|US|iso8859-1
>		r|CA|iso8859-1
>	Currently Installed Language: n|US|iso8859-1
>
>Handle 0x001A, DMI type 16, 15 bytes
>Physical Memory Array
>	Location: System Board Or Motherboard
>	Use: System Memory
>	Error Correction Type: None
>	Maximum Capacity: 1 GB
>	Error Information Handle: Not Provided
>	Number Of Devices: 2
>
>Handle 0x001B, DMI type 17, 27 bytes
>Memory Device
>	Array Handle: 0x001A
>	Error Information Handle: Not Provided
>	Total Width: Unknown
>	Data Width: Unknown
>	Size: 1024 MB
>	Form Factor: DIMM
>	Set: None
>	Locator: A0
>	Bank Locator: Bank0/1
>	Type: Unknown
>	Type Detail: None
>	Speed: Unknown
>	Manufacturer: None
>	Serial Number: None
>	Asset Tag: None
>	Part Number: None
>
>Handle 0x001C, DMI type 17, 27 bytes
>Memory Device
>	Array Handle: 0x001A
>	Error Information Handle: Not Provided
>	Total Width: Unknown
>	Data Width: Unknown
>	Size: 1024 MB
>	Form Factor: DIMM
>	Set: None
>	Locator: A1
>	Bank Locator: Bank2/3
>	Type: Unknown
>	Type Detail: None
>	Speed: Unknown
>	Manufacturer: None
>	Serial Number: None
>	Asset Tag: None
>	Part Number: None
>
>Handle 0x001D, DMI type 19, 15 bytes
>Memory Array Mapped Address
>	Starting Address: 0x00000000000
>	Ending Address: 0x0007FFFFFFF
>	Range Size: 2 GB
>	Physical Array Handle: 0x001A
>	Partition Width: 1
>
>Handle 0x001E, DMI type 20, 19 bytes
>Memory Device Mapped Address
>	Starting Address: 0x00000000000
>	Ending Address: 0x0003FFFFFFF
>	Range Size: 1 GB
>	Physical Device Handle: 0x001B
>	Memory Array Mapped Address Handle: 0x001D
>	Partition Row Position: 1
>
>Handle 0x001F, DMI type 20, 19 bytes
>Memory Device Mapped Address
>	Starting Address: 0x00040000000
>	Ending Address: 0x0007FFFFFFF
>	Range Size: 1 GB
>	Physical Device Handle: 0x001C
>	Memory Array Mapped Address Handle: 0x001D
>	Partition Row Position: 1
>
>Handle 0x0020, DMI type 32, 11 bytes
>System Boot Information
>	Status: No errors detected
>
>Handle 0x0021, DMI type 127, 4 bytes
>End Of Table
>

(In reply to comment #5)
> The mainboard a MicroStar MS-7318. Based on the information on
> http://www.medion.com/de/service/_lightbox/treiber.php?msn=10010251 I think
> it is a VIA Hyperion Pro.

I strongly suspect the VIA chipset has broken MSI support and probably needs a quirk to disable it.  I don't see any MSIs getting triggered:

  64:          0          0   PCI-MSI-edge      aerdrv, PCIe PME, pciehp
  65:          0          0   PCI-MSI-edge      aerdrv, PCIe PME, pciehp
  66:          0          0   PCI-MSI-edge      aerdrv, PCIe PME
  67:          0          0   PCI-MSI-edge      aerdrv, PCIe PME
  68:          0          0   PCI-MSI-edge      snd_hda_intel
  69:          0          0   PCI-MSI-edge      snd_hda_intel

Does sound work ok?

booting with pci=nomsi will disable MSIs globally on your system.

I played with the cmdline "radeon.msi" and couldn't get any of the PCI-MSI-edge counters to show anything else than 0. No matter which value used and no matter if any 3D operation was done.

I haven't touched "pci=nomsi". It looks like MSI is not working at all on this chipset ...

(In reply to comment #9)
> I haven't touched "pci=nomsi". It looks like MSI is not working at all on
> this chipset ...

That's why Alex suggested disabling MSI completely via pci=nomsi. radeon.msi only affects the radeon driver.

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