No dma for via82cxxx
Hello,
as you might guess I was not able to enable dma for my WD HD,
here is more info about that case:
lsmod | grep ide
ide_generic 1856 0
ide_disk 20864 2
ide_cd 42016 0
ide_core 154400 4 ide_generic,via82cxxx,ide_disk,ide_cd
cdrom 39208 2 sr_mod,ide_cd
lsmod | grep via
via82cxxx 13872 1
i2c_viapro 7884 0
i2c_core 26264 4 fscher,eeprom,i2c_sensor,i2c_viapro
ide_core 154400 4 ide_generic,via82cxxx,ide_disk,ide_cd
sata_via 8644 4
libata 42568 1 sata_via
lspci
0000:00:00.0 Host bridge: VIA Technologies, Inc. VT8385 [K8T800 AGP] Host
Bridge (rev 01)
0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI bridge [K8T800
South]
0000:00:09.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev
07)
0000:00:09.1 Input device controller: Creative Labs SB Live! MIDI/Game Port
(rev 07)
0000:00:0a.0 Ethernet controller: 3Com Corporation 3c595 100BaseTX [Vortex]
0000:00:0d.0 FireWire (IEEE 1394): Lucent Microelectronics FW323 (rev 61)
0000:00:0f.0 IDE interface: VIA Technologies, Inc. VIA VT6420 SATA RAID
Controller (rev 80)
0000:00:0f.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
0000:00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
0000:00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
0000:00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
0000:00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
0000:00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
0000:00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [K8T800
South]
0000:00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
0000:00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
0000:00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
0000:00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 NorthBridge
0000:01:00.0 VGA compatible controller: nVidia Corporation NV35 [GeForce FX
5900XT] (rev a1)
hdparm -i /dev/hda
Model=WDC WD800BB-00DKA0, FwRev=77.07W77, SerialNo=WD-WMAHL1411692
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=57600, SectSize=600, ECCbytes=74
BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156301488
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: device does not report version:
* signifies the current active mode
hdparm -I /dev/hda
/dev/hda:
ATA device, with non-removable media
Model Number: WDC WD800BB-00DKA0
Serial Number: WD-WMAHL1411692
Firmware Revision: 77.07W77
Standards:
Supported: 6 5 4 3
Likely used: 6
Configuration:
Logical max current
cylinders 16383 65535
heads 16 1
sectors/track 63 63
--
CHS current addressable sectors: 4128705
LBA user addressable sectors: 156301488
LBA48 user addressable sectors: 156301488
device size with M = 1024*1024: 76319 MBytes
device size with M = 1000*1000: 80026 MBytes (80 GB)
Capabilities:
LBA, IORDY(can be disabled)
bytes avail on r/w long: 74 Queue depth: 1
Standby timer values: spec'd by Standard, with device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Recommended acoustic management value: 128, current value: 254
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* READ BUFFER cmd
* WRITE BUFFER cmd
* Host Protected Area feature set
* Look-ahead
* Write cache
* Power Management feature set
Security Mode feature set
* SMART feature set
* FLUSH CACHE EXT command
* Mandatory FLUSH CACHE command
* Device Configuration Overlay feature set
* 48-bit Address feature set
Automatic Acoustic Management feature set
SET MAX security extension
* DOWNLOAD MICROCODE cmd
* SMART self-test
* SMART error logging
Security:
supported
not enabled
not locked
frozen
not expired: security count
not supported: enhanced erase
HW reset results:
CBLID- above Vih
Device num = 0 determined by the jumper
Checksum: correct
hdparm -m 16 -d 1 -c 3 -X69 /dev/hda
/dev/hda:
setting 32-bit IO_support flag to 3
setting multcount to 16
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
setting xfermode to 69 (UltraDMA mode5)
multcount = 16 (on)
IO_support = 3 (32-bit w/sync)
using_dma = 0 (off)
please help.
Regards
Andree
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