Hi list.
I wonder if someone has a cure for this:
[root@oden /]# hdparm -d1 /dev/hda
/dev/hda:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
"Operation not permitted", WTF???
[root@oden /]# hdparm -I /dev/hda
/dev/hda:
ATA device, with non-removable media
Model Number: SAMSUNG SV0813H
Serial Number: 0596J1FTB04029
Firmware Revision: RJ100-15
Standards:
Used: ATA/ATAPI-6 T13 1410D revision 1
Supported: 6 5 4 3
Configuration:
Logical max current
cylinders 16383 4047
heads 16 16
sectors/track 63 255
--
CHS current addressable sectors: 16511760
LBA user addressable sectors: 156368016
device size with M = 1024*1024: 76351 MBytes
device size with M = 1000*1000: 80060 MBytes (80 GB)
Capabilities:
LBA, IORDY(cannot be disabled)
bytes avail on r/w long: 4 Queue depth: 1
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Recommended acoustic management value: 128, current value: 128
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
* Mandatory FLUSH CACHE command
* Automatic Acoustic Management feature set
SET MAX security extension
* DOWNLOAD MICROCODE cmd
* SMART self-test
* SMART error logging
Security:
Master password revision code = 65534
supported
not enabled
not locked
frozen
not expired: security count
supported: enhanced erase
102min for SECURITY ERASE UNIT. 102min for ENHANCED SECURITY ERASE
UNIT.
HW reset results:
CBLID- above Vih
Device num = 0 determined by the jumper
Checksum: correct
It's a brand new Samsung disk and a MSI 845 GE Max motherboard. It's making me
crazy, the slightest disk i/o eats all interrups...
--
Regards // Oden Eriksson, Deserve-IT.com
