atacontrol(8) doesn't change SATA mode

P

Prolixium

Hi -

I'm trying to debug an issue with SATA drives becoming 'detached' on a 7.0-RELEASE-p9 box (bug report here). One thing I'm trying is to change the mode from SATA300 to SATA150 with atacontrol(8). However, for some reason the mode doesn't change:

Code: 
(dax:10:03)# atacontrol mode ad12
current mode = SATA300
(dax:10:03)# atacontrol mode ad12 SATA150
current mode = SATA300
(dax:10:03)# atacontrol mode ad12        
current mode = SATA300

Is atacontrol not able to change the SATA mode on-the-fly, or is it possibly erroring out and not telling me?

Here are the disks:

Code: 
(dax:10:04)# atacontrol list
ATA channel 2:
    Master:      no device present
    Slave:       no device present
ATA channel 3:
    Master:      no device present
    Slave:       no device present
ATA channel 4:
    Master:  ad8 <WDC WD3200AAKS-00B3A0/01.03A01> Serial ATA II
    Slave:       no device present
ATA channel 5:
    Master:      no device present
    Slave:       no device present
ATA channel 6:
    Master: ad12 <WDC WD2500JS-00NCB1/10.02E02> Serial ATA II
    Slave:       no device present
ATA channel 7:
    Master:      no device present
    Slave:       no device present
ATA channel 8:
    Master:      no device present
    Slave:       no device present
ATA channel 9:
    Master:      no device present
    Slave:       no device present

Thanks!

- Mark
 
Yeah, it doesn't mention anything with regard to changing SATA modes - but the absense of an error from atacontrol led me to believe it might be possible..

If not atacontrol - is there anything else can be used to change the SATA mode via software?

- Mark
 
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