SATA2 mode on SATA3 SSD (marvell controller) after boot

[Andrey Fesenko]

On Sun, Apr 20, 2014 at 11:44 PM, Alexander Motin <mav at freebsd.org> wrote:
> On 20.04.2014 22:31, Andrey Fesenko wrote:
>>
>> On Thu, Apr 17, 2014 at 2:10 PM, Andrey Fesenko <f0andrey at gmail.com>
>> wrote:
>>>
>>> if disconnect ssd
>>> pr 17 14:07:08 desktop kernel: ahcich3: DISCONNECT requested
>>> Apr 17 14:07:08 desktop kernel: ahcich3: AHCI reset...
>>> Apr 17 14:07:08 desktop kernel: ahcich3: SATA connect timeout
>>> time=10000us status=00000000
>>> Apr 17 14:07:08 desktop kernel: ahcich3: AHCI reset: device not found
>>> Apr 17 14:07:08 desktop kernel: pass3 at ahcich3 bus 0 scbus3 target 0
>>> lun 0
>>> Apr 17 14:07:08 desktop kernel: pass3: <PLEXTOR PX-128M5S 1.05> s/n
>>> P02411112921 detached
>>> Apr 17 14:07:08 desktop kernel: ada3 at ahcich3 bus 0 scbus3 target 0 lun
>>> 0
>>> Apr 17 14:07:08 desktop kernel: ada3: <PLEXTOR PX-128M5S 1.05> s/n
>>> P02411112921 detached
>>> Apr 17 14:07:08 desktop kernel: (pass3:ahcich3:0:0:0): Periph destroyed
>>> Apr 17 14:07:08 desktop kernel: (ada3:ahcich3:0:0:0): Periph destroyed
>>> Apr 17 14:07:18 desktop kernel: ahcich3: CONNECT requested
>>> Apr 17 14:07:18 desktop kernel: ahcich3: AHCI reset...
>>> Apr 17 14:07:18 desktop kernel: ahcich3: SATA connect time=8000us
>>> status=00000133
>>> Apr 17 14:07:18 desktop kernel: ahcich3: AHCI reset: device found
>>> Apr 17 14:07:18 desktop kernel: ahcich3: AHCI reset: device ready after
>>> 0ms
>>> Apr 17 14:07:18 desktop kernel: ada3 at ahcich3 bus 0 scbus3 target 0 lun
>>> 0
>>> Apr 17 14:07:18 desktop kernel: GEOM: new disk ada3
>>> Apr 17 14:07:18 desktop kernel: ada3: <PLEXTOR PX-128M5S 1.05> ATA-8
>>> SATA 3.x device
>>> Apr 17 14:07:18 desktop kernel: ada3: Serial Number P02411112921
>>> Apr 17 14:07:18 desktop kernel: ada3: 600.000MB/s transfers (SATA 3.x,
>>> UDMA6, PIO 8192bytes)
>>> Apr 17 14:07:18 desktop kernel: ada3: Command Queueing enabled
>>> Apr 17 14:07:18 desktop kernel: ada3: 122104MB (250069680 512 byte
>>> sectors: 16H 63S/T 16383C)
>>> Apr 17 14:07:18 desktop kernel: ada3: Previously was known as ad10
>>> Apr 17 14:07:18 desktop kernel: pass3 at ahcich3 bus 0 scbus3 target 0
>>> lun 0
>>> Apr 17 14:07:18 desktop kernel: pass3: <PLEXTOR PX-128M5S 1.05> ATA-8
>>> SATA 3.x device
>>> Apr 17 14:07:18 desktop kernel: pass3: Serial Number P02411112921
>>> Apr 17 14:07:18 desktop kernel: pass3: 600.000MB/s transfers (SATA
>>> 3.x, UDMA6, PIO 8192bytes)
>>> Apr 17 14:07:18 desktop kernel: pass3: Command Queueing enabled
>>>
>>>
>>> # uname -a
>>> FreeBSD desktop.local 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r263932:
>>> Sun Mar 30 15:43:01 MSK 2014
>>> root at desktop.local:/usr/obj/usr/src/sys/MY_DES  amd64
>>
>>
>> Is it possible camcontrol repeat behavior as physical disable/enable
>> or enable SATA 3.x mode?
>> camcontrol negotiate only report not set new mode.
>>
>> # camcontrol negotiate pass2
>> Current parameters:
>> (pass2:ahcich3:0:0:0): SATA revision: 2.x
>> (pass2:ahcich3:0:0:0): ATA mode: UDMA6
>> (pass2:ahcich3:0:0:0): ATAPI packet length: 0
>> (pass2:ahcich3:0:0:0): PIO transaction length: 8192
>> (pass2:ahcich3:0:0:0): PMP presence: 0
>> (pass2:ahcich3:0:0:0): Number of tags: 32
>> (pass2:ahcich3:0:0:0): SATA capabilities: 00000030
>> (pass2:ahcich3:0:0:0): tagged queueing: enabled
>
>
> camcontrol negotiate can limit maximal SATA mode, but not specify it
> exactly. Unless you limited it previously, there should be no limitation set
> and HBA should negotiate it freely. The limitations could be read/set with
> `camcontrol negotiate pass2 -U`, and affect operation after following
> `camcontrol reset ...`.
>
> --
> Alexander Motin

system this installer usb image without limitation
# uname -a
FreeBSD  11.0-CURRENT FreeBSD 11.0-CURRENT #0 r264634: Fri Apr 18
08:25:11 MSK 2014
andrey at desktop.local:/usr/obj/usr/src/sys/GENERIC  amd64

root@:~ # camcontrol negotiate pass2 -U
User parameters:
(pass2:ahcich3:0:0:0): SATA revision: 0.x
(pass2:ahcich3:0:0:0): ATA mode: NONE
(pass2:ahcich3:0:0:0): ATAPI packet length: 0
(pass2:ahcich3:0:0:0): PIO transaction length: 8192
(pass2:ahcich3:0:0:0): PMP presence: 0
(pass2:ahcich3:0:0:0): Number of tags: 32
(pass2:ahcich3:0:0:0): SATA capabilities: 00000030
(pass2:ahcich3:0:0:0): tagged queueing: enabled
root@:~ # camcontrol reset pass2
Reset of bus 0 was successful
root@:~ # camcontrol negotiate pass2
Current parameters:
(pass2:ahcich3:0:0:0): SATA revision: 2.x
(pass2:ahcich3:0:0:0): ATA mode: UDMA6
(pass2:ahcich3:0:0:0): ATAPI packet length: 0
(pass2:ahcich3:0:0:0): PIO transaction length: 8192
(pass2:ahcich3:0:0:0): PMP presence: 0
(pass2:ahcich3:0:0:0): Number of tags: 32
(pass2:ahcich3:0:0:0): SATA capabilities: 00000030
(pass2:ahcich3:0:0:0): tagged queueing: enabled