On 06.04.2018 20:20, Dan Ritter wrote:
> On Fri, Apr 06, 2018 at 07:05:00PM +0200, basti wrote:
>> Hello,
>> is there a way to disable LPM for mv_sata driver by commandline?
>>
> 
> per-disk, not per-driver:

thanks a lot, there seem to be problem with the driver mv_sata so i need
to disable than before system is detect the drives.

kernel till 3.8.12-1 work, after that there are problems like

[  119.129462] ata2: hard resetting link
[  119.641981] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  119.782055] ata2.00: configured for UDMA/33
[  119.786288] ata2: EH complete
[  119.789502] ata2.00: exception Emask 0x10 SAct 0x1 SErr 0x0 action
0x6 frozen
[  119.796682] ata2.00: edma_err_cause=00000280 pp_flags=00000003,
parity error, EDMA self-disable
[  119.805407] ata2.00: failed command: READ FPDMA QUEUED
[  119.810573] ata2.00: cmd 60/08:00:00:00:00/00:00:00:00:00/40 tag 0
ncq 4096 in
[  119.810573]          res 50/00:ff:ff:ff:ff/00:ff:ff:ff:ff/ff Emask
0x10 (ATA bus error)
[  119.825777] ata2.00: status: { DRDY }

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