我正在尝试让驱动器进入派欧模式hdparm在 Linux 上。
hdparm -X pio0 /dev/sdX
我尝试了大约 4-5 个磁盘（PATA 和 SATA）。我总是得到相同的错误：
SG_IO: bad/missing sense data, sb[]: ...
有想法吗？还有其他已知的替代方法吗？
/dev/sda:
ATA device, with non-removable media
Model Number: Hitachi HDS721616PLA380
Serial Number: PVB300Z2R6H4UD
Firmware Revision: P22OA70A
Standards:
Used: ATA/ATAPI-7 T13 1532D revision 1
Supported: 7 6 5 4 & some of 8
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 268435455
LBA48 user addressable sectors: 321672960
Logical/Physical Sector size: 512 bytes
device size with M = 1024*1024: 157066 MBytes
device size with M = 1000*1000: 164696 MBytes (164 GB)
cache/buffer size = 7384 KBytes (type=DualPortCache)
Capabilities:
LBA, IORDY(can be disabled)
Queue depth: 32
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Advanced power management level: disabled
Recommended acoustic management value: 128, current value: 254
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=240ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* SMART feature set
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* DOWNLOAD_MICROCODE
Advanced Power Management feature set
Power-Up In Standby feature set
SET_FEATURES required to spinup after power up
Address Offset Reserved Area Boot
SET_MAX security extension
Automatic Acoustic Management feature set
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* SMART error logging
* SMART self-test
Media Card Pass-Through
* General Purpose Logging feature set
* WRITE_{DMA|MULTIPLE}_FUA_EXT
* 64-bit World wide name
* URG for READ_STREAM[_DMA]_EXT
* URG for WRITE_STREAM[_DMA]_EXT
* Segmented DOWNLOAD_MICROCODE
* Gen1 signaling speed (1.5Gb/s)
* Gen2 signaling speed (3.0Gb/s)
* Native Command Queueing (NCQ)
* Host-initiated interface power management
* Phy event counters
Non-Zero buffer offsets in DMA Setup FIS
DMA Setup Auto-Activate optimization
Device-initiated interface power management
In-order data delivery
* Software settings preservation
* SMART Command Transport (SCT) feature set
* SCT Long Sector Access (AC1)
* SCT LBA Segment Access (AC2)
* SCT Error Recovery Control (AC3)
* SCT Features Control (AC4)
* SCT Data Tables (AC5)
Security:
Master password revision code = 65297
supported
not enabled
not locked
not frozen
not expired: security count
not supported: enhanced erase
64min for SECURITY ERASE UNIT.
Logical Unit WWN Device Identifier: 5000cca321c2f31e
NAA : 5
IEEE OUI : 000cca
Unique ID : 321c2f31e
Checksum: correct
答案1
http://www.kernel.org/doc/Documentation/kernel-parameters.txt
注意：
libata.dma=0、libata.ignore_hpa=1 和 libata.force=
在修复（刮擦、收获）磁盘时多次使用它。
答案2
尝试在 BIOS 中禁用 Ultra DMA。