[vdr] Re: replay stuttering

Kartsa kari at kniivila.com
Sun Jan 28 18:16:53 CET 2007


Marko Mäkelä kirjoitti:
> On Sat, Jan 27, 2007 at 11:56:56PM +0200, Kartsa wrote:
>   
>> So, hdparm did no good.
>>     
>
> Did you try sdparm?  Serial ATA looks like SCSI to some tools.
>   
Nope, because there was no sdparm. For some reason did not think to 
check if such exists at all :)

This is what sdparm gives but I don't have the knowledge to find dma 
specific info in this. I see that there is something about dma but is it 
enabled or not??

sdparm --long /dev/sda
    /dev/sda: ATA       ST3200822AS       3.01
    Direct access device specific parameters: WP=0  DPOFUA=0
Read write error recovery [rw] mode page:
  AWRE        1  Automatic write reallocation enabled
  ARRE        1  Automatic read reallocation enabled
  PER         0  Post error
Caching (SBC) [ca] mode page:
  WCE         1  Write cache enable
  RCD         0  Read cache disable
Control [co] mode page:
  SWP         0  Software write protect

sdparm --long /dev/sdb
    /dev/sdb: ATA       SAMSUNG SP0812C   SU10
    Direct access device specific parameters: WP=0  DPOFUA=0
Read write error recovery [rw] mode page:
  AWRE        1  Automatic write reallocation enabled
  ARRE        1  Automatic read reallocation enabled
  PER         0  Post error
Caching (SBC) [ca] mode page:
  WCE         1  Write cache enable
  RCD         0  Read cache disable
Control [co] mode page:
  SWP         0  Software write protect

\\Kartsa



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