Onnistuiskohan saada dma päälle Compact Flash lukijalle Dell Latitude X1 koneessa? Ohessa lisätietoja:
hdparm -I
/dev/sdb:
ATA device, with non-removable media
Media Manufacturer: ��J^��J^��J^
Standards:
Likely used: 1
Configuration:
Logical max current
cylinders 0 0
heads 0 0
sectors/track 0 0
--
device size with M = 1024*1024: 0 MBytes
device size with M = 1000*1000: 0 MBytes
Capabilities:
IORDY not likely
Cannot perform double-word IO
R/W multiple sector transfer: not supported
DMA: not supported
PIO: pio0
hdparm -i
/dev/sdb:
Model=SMI MODEL , FwRev=20071116, SerialNo= 00019762
Config={ HardSect NotMFM Removeable DTR>10Mbs nonMagnetic }
RawCHS=15733/16/63, TrkSize=0, SectSize=576, ECCbytes=4
BuffType=DualPort, BuffSize=1kB, MaxMultSect=1, MultSect=?0?
CurCHS=15733/16/63, CurSects=15858864, LBA=yes, LBAsects=15858864
IORDY=no, tPIO={min:120,w/IORDY:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
AdvancedPM=no
* signifies the current active modelspci -vv
00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) IDE Controller (rev 03) (prog-if 8a [Master SecP PriP])
Subsystem: Dell Device 01a3
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
Region 0: I/O ports at 01f0 [size=8]
Region 1: I/O ports at 03f4 [size=1]
Region 2: I/O ports at 0170 [size=8]
Region 3: I/O ports at 0374 [size=1]
Region 4: I/O ports at bfa0 [size=16]
Kernel driver in use: ata_piix
02:01.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev b3)
Subsystem: Dell Device 01a3
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 168
Interrupt: pin A routed to IRQ 19
Region 0: Memory at dfc00000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=02, secondary=03, subordinate=06, sec-latency=176
Memory window 0: 60000000-63fff000 (prefetchable)
Memory window 1: 64000000-67fff000
I/O window 0: 00001400-000014ff
I/O window 1: 00001800-000018ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt+ PostWrite+
16-bit legacy interface ports at 0001
Kernel driver in use: yenta_cardbus
Kernel modules: yenta_socket
interrupts
CPU0
0: 73552 IO-APIC-edge timer
1: 2564 IO-APIC-edge i8042
3: 28171 IO-APIC-edge pata_pcmcia
8: 1 IO-APIC-edge rtc0
9: 1 IO-APIC-fasteoi acpi
12: 1710 IO-APIC-edge i8042
14: 18449 IO-APIC-edge ata_piix
15: 0 IO-APIC-edge ata_piix
16: 22952 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb2, Intel ICH6, i915@pci:0000:00:02.0, eth0
17: 64057 IO-APIC-fasteoi uhci_hcd:usb3, mmc0, ipw2200
18: 2 IO-APIC-fasteoi uhci_hcd:usb4, ohci1394
19: 0 IO-APIC-fasteoi uhci_hcd:usb5, yenta
NMI: 0 Non-maskable interrupts
LOC: 125176 Local timer interrupts
RES: 0 Rescheduling interrupts
CAL: 0 Function call interrupts
TLB: 0 TLB shootdowns
SPU: 0 Spurious interrupts
ERR: 0
MIS: 0
dmesg
[ 14.472096] pcmcia_socket pcmcia_socket0: pccard: PCMCIA card inserted into slot 0
[ 14.485962] Intel ICH 0000:00:1e.2: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 14.486179] Intel ICH 0000:00:1e.2: setting latency timer to 64
[ 14.532244] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x100-0x3af: clean.
[ 14.534088] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x3e0-0x4ff: clean.
[ 14.534878] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x820-0x8ff: clean.
[ 14.535537] pcmcia_socket pcmcia_socket0: cs: IO port probe 0xc00-0xcf7: clean.
[ 14.536466] pcmcia_socket pcmcia_socket0: cs: IO port probe 0xa00-0xaff: clean.
[ 14.537218] pcmcia_socket pcmcia_socket0: cs: memory probe 0xdfc00000-0xdfcfffff: excluding 0xdfc00000-0xdfc0ffff 0xdfcf0000-0xdfcfffff
[ 14.548151] pcmcia 0.0: pcmcia: registering new device pcmcia0.0
[ 14.662828] scsi2 : pata_pcmcia
[ 14.663146] ata3: PATA max PIO0 cmd 0x100 ctl 0x10e irq 3
[ 14.832744] ata3.00: CFA: SMI MODEL, 20071116, max MWDMA4
[ 14.832749] ata3.00: 15858864 sectors, multi 0: LBA
[ 14.840783] ata3.00: configured for PIO0
[ 14.856774] ata3.00: configured for PIO0
[ 14.856779] ata3: EH complete Eli voipi tosiaan olla niin, että kone ei tue ollenkaa DMA:ta tuolle CF:lle. Sattuipa silti googlettemalla silmään tälläinen (
linkki):
ICH6: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xbfa0-0xbfa7, BIOS settings: hda:DMA, hdb:pio
Eli voisiko syy kuitenkin olla vain biosin rajoituksissa? Biosissa ei pysty mitään ihmeempiä itsessää säädellä, joten voiko softalla ohittaa biosin asetuksia jotenkin ja forcettaa DMA päälle? Mitä vain voisi kokeilla, kun hdparmilla se ei suoranaisesti onnistu? Miten säätää niin, että ICH6 piirisarja ei välittäisi biosin ide-asetuksista?
Edit: Lisätty dmesg
