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Old 07-10-06, 06:34 AM   #1
El_Angelo
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Join Date: Jun 2003
Location: belgium
Posts: 9
Default dma on nforce440 (linux-2.6.9)

hi there,

I'm using clarkconnect on a ASROCK K8NF4G-SATA2 box... As using a more recent kernel is impossible with clarkconnect (due to custom firewall stuff) I tried adjusting the amd74xx.c file with the instructions given on http://download.nvidia.com/XFree86/n...nProblems.html

As you can see below: the old amd74xx.c file and the new one...
the thing compiles perfectly but i still cannot enable dma... any suggestions?

I have tried copying a amd74xx.c file from a newer kernel but it failed to compile...

output of lspci:
00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1)
00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)

output of hdparm -d1 /dev/hda :

/dev/hda:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)

output of hdparm /dev/hda :
/dev/hda:
multcount = 16 (on)
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 0 (off)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 65535/16/63, sectors = 122942324736, start = 0

lspci -v :
00:00.0 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
Subsystem: ASRock Incorporation: Unknown device 02f1
Flags: bus master, 66Mhz, fast devsel, latency 0
Capabilities: [44] HyperTransport: Slave or Primary Interface
Capabilities: [e0] HyperTransport: MSI Mapping

00:00.1 RAM memory: nVidia Corporation C51 Memory Controller 0 (rev a2)
Subsystem: ASRock Incorporation: Unknown device 02fa
Flags: 66Mhz, fast devsel

00:00.2 RAM memory: nVidia Corporation C51 Memory Controller 1 (rev a2)
Subsystem: ASRock Incorporation: Unknown device 02fe
Flags: 66Mhz, fast devsel

00:00.3 RAM memory: nVidia Corporation C51 Memory Controller 5 (rev a2)
Subsystem: ASRock Incorporation: Unknown device 02f8
Flags: 66Mhz, fast devsel

00:00.4 RAM memory: nVidia Corporation C51 Memory Controller 4 (rev a2)
Subsystem: ASRock Incorporation: Unknown device 02f9
Flags: bus master, 66Mhz, fast devsel, latency 0

00:00.5 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
Subsystem: ASRock Incorporation: Unknown device 02ff
Flags: bus master, 66Mhz, fast devsel, latency 0
Capabilities: [44] #00 [00fe]
Capabilities: [fc] #00 [0000]

00:00.6 RAM memory: nVidia Corporation C51 Memory Controller 3 (rev a2)
Subsystem: ASRock Incorporation: Unknown device 027f
Flags: 66Mhz, fast devsel

00:00.7 RAM memory: nVidia Corporation C51 Memory Controller 2 (rev a2)
Subsystem: ASRock Incorporation: Unknown device 027e
Flags: 66Mhz, fast devsel

00:02.0 PCI bridge: nVidia Corporation C51 PCI Express Bridge (rev a1) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Capabilities: [40] #0d [0000]
Capabilities: [48] Power Management version 2
Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/1 Enable -
Capabilities: [60] HyperTransport: MSI Mapping
Capabilities: [80] Express Root Port (Slot+) IRQ 0
Capabilities: [100] Virtual Channel

00:03.0 PCI bridge: nVidia Corporation C51 PCI Express Bridge (rev a1) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Capabilities: [40] #0d [0000]
Capabilities: [48] Power Management version 2
Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/1 Enable -
Capabilities: [60] HyperTransport: MSI Mapping
Capabilities: [80] Express Root Port (Slot+) IRQ 0
Capabilities: [100] Virtual Channel

00:04.0 PCI bridge: nVidia Corporation C51 PCI Express Bridge (rev a1) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
Capabilities: [40] #0d [0000]
Capabilities: [48] Power Management version 2
Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/1 Enable -
Capabilities: [60] HyperTransport: MSI Mapping
Capabilities: [80] Express Root Port (Slot+) IRQ 0
Capabilities: [100] Virtual Channel

00:05.0 VGA compatible controller: nVidia Corporation C51 PCI Express Bridge (re v a2) (prog-if 00 [VGA])
Subsystem: ASRock Incorporation: Unknown device 0242
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 11
Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
Memory at fc000000 (64-bit, non-prefetchable) [size=16M]
Expansion ROM at febe0000 [disabled] [size=128K]
Capabilities: [48] Power Management version 2
Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable -

00:09.0 RAM memory: nVidia Corporation MCP51 Host Bridge (rev a2)
Subsystem: ASRock Incorporation: Unknown device 0270
Flags: bus master, 66Mhz, fast devsel, latency 0
Capabilities: [44] HyperTransport: Slave or Primary Interface
Capabilities: [e0] HyperTransport: MSI Mapping

00:0a.0 ISA bridge: nVidia Corporation MCP51 LPC Bridge (rev a2)
Subsystem: ASRock Incorporation: Unknown device 0261
Flags: bus master, 66Mhz, fast devsel, latency 0

00:0a.1 SMBus: nVidia Corporation MCP51 SMBus (rev a2)
Subsystem: ASRock Incorporation: Unknown device 0264
Flags: 66Mhz, fast devsel, IRQ 11
I/O ports at 5000 [size=64]
I/O ports at 6000 [size=64]
Capabilities: [44] Power Management version 2

00:0b.0 USB Controller: nVidia Corporation MCP51 USB Controller (rev a2) (prog-i f 10 [OHCI])
Subsystem: ASRock Incorporation: Unknown device 026d
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 11
Memory at febde000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2

00:0b.1 USB Controller: nVidia Corporation MCP51 USB Controller (rev a2) (prog-i f 20 [EHCI])
Subsystem: ASRock Incorporation: Unknown device 026e
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 11
Memory at febdfc00 (32-bit, non-prefetchable) [size=256]
Capabilities: [44] Debug port
Capabilities: [80] Power Management version 2

00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1) (prog-if 8a [Master SecP PriP])
Subsystem: ASRock Incorporation: Unknown device 0265
Flags: bus master, 66Mhz, fast devsel, latency 0
I/O ports at ffa0 [size=16]
Capabilities: [44] Power Management version 2

00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1) ( prog-if 85 [Master SecO PriO])
Subsystem: ASRock Incorporation: Unknown device 0266
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 10
I/O ports at 0f80 [size=8]
I/O ports at 0f00 [size=4]
I/O ports at 0e80 [size=8]
I/O ports at 0e00 [size=4]
I/O ports at e000 [size=16]
Memory at febdd000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
Capabilities: [b0] Message Signalled Interrupts: 64bit+ Queue=0/2 Enable -
Capabilities: [cc] HyperTransport: MSI Mapping

00:10.0 PCI bridge: nVidia Corporation MCP51 PCI Bridge (rev a2) (prog-if 01 [Su btractive decode])
Flags: bus master, 66Mhz, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=04, sec-latency=32
I/O behind bridge: 0000c000-0000cfff
Memory behind bridge: faa00000-faafffff
Capabilities: [b8] #0d [0000]
Capabilities: [8c] HyperTransport: MSI Mapping

00:14.0 Bridge: nVidia Corporation MCP51 Ethernet Controller (rev a1)
Subsystem: ASRock Incorporation: Unknown device 0269
Flags: bus master, 66Mhz, fast devsel, latency 0, IRQ 11
Memory at febdc000 (32-bit, non-prefetchable) [size=4K]
I/O ports at dc00 [size=8]
Capabilities: [44] Power Management version 2
Attached Files
File Type: txt amd74xx.c.new.txt (22.0 KB, 143 views)
File Type: txt amd74xx.c.old.txt (20.7 KB, 118 views)

Last edited by El_Angelo; 07-10-06 at 06:46 AM.
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Old 07-10-06, 08:51 AM   #2
El_Angelo
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Join Date: Jun 2003
Location: belgium
Posts: 9
Default Re: dma on nforce440 (linux-2.6.9)

ok i was stupid....

lspci clearly says MCP51... so that was the one i had to add... in the mean time it works
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Old 04-05-10, 04:57 PM   #3
ne1scott
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Join Date: Apr 2010
Posts: 3
Default Re: dma on nforce440 (linux-2.6.9)

Did you ever get this figured out ? I have an old Nforce410 based system that is giving me 2.5 MB/sec transfer rates and won't allow me to enable DMA.
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