Public bug reported:
sudo hdparm /dev/hdc
/dev/hdc:
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
HDIO_GETGEO failed: Inappropriate ioctl for device
Und hdparm -i zeigt mir folgendes an!
hdparm - get/set hard disk parameters - version v7.5
Usage: hdparm [options] [device] ..
Options:
-a get/set fs readahead
-A get/set the drive look-ahead flag (0/1)
-b get/set bus state (0 == off, 1 == on, 2 == tristate)
-B set Advanced Power Management setting (1-255)
-c get/set IDE 32-bit IO setting
-C check drive power mode status
-d get/set using_dma flag
-D enable/disable drive defect management
-E set cd-rom drive speed
-f flush buffer cache for device on exit
-g display drive geometry
-h display terse usage information
-H read temperature from drive (Hitachi only)
-i display drive identification
-I detailed/current information directly from drive
-k get/set keep_settings_over_reset flag (0/1)
-K set drive keep_features_over_reset flag (0/1)
-L set drive doorlock (0/1) (removable harddisks only)
-M get/set acoustic management (0-254, 128: quiet, 254: fast)
-m get/set multiple sector count
-n get/set ignore-write-errors flag (0/1)
-p set PIO mode on IDE interface chipset (0,1,2,3,4,...)
-P set drive prefetch count
-q change next setting quietly
-Q get/set DMA tagged-queuing depth (if supported)
-r get/set device readonly flag (DANGEROUS to set)
-R register an IDE interface (DANGEROUS)
-s set power-up in standby flag (0/1) (DANGEROUS)
-S set standby (spindown) timeout
-t perform device read timings
-T perform cache read timings
-u get/set unmaskirq flag (0/1)
-U un-register an IDE interface (DANGEROUS)
-v defaults; same as -acdgkmur for IDE drives
-V display program version and exit immediately
-w perform device reset (DANGEROUS)
-W get/set drive write-caching flag (0/1)
-x tristate device for hotswap (0/1) (DANGEROUS)
-X set IDE xfer mode (DANGEROUS)
-y put drive in standby mode
-Y put drive to sleep
-Z disable Seagate auto-powersaving mode
-z re-read partition table
--direct use O_DIRECT to bypass page cache for timings
--Istdin read identify data from stdin as ASCII hex
--Istdout write identify data to stdout as ASCII hex
--verbose display extra diagnostics from some commands
--security-help display help for ATA security commands
--drq-hsm-error crash system with a "stuck DRQ" error (VERY DANGEROUS)
Aua, die Geschwindigkeitsmessung ergiebt folgendes:
hdparm -Tt /dev/hdc
/dev/hdc:
read() failed: Input/output error
Timing buffered disk reads: read() failed: Input/output error
BLKFLSBUF failed: Function not implemented
** Affects: ubuntu
Importance: Undecided
Status: New
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Gutsy HDD DMA problem, when NVIDIA Driver Activate the System Freeze!
https://bugs.launchpad.net/bugs/148038
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