On 20.04.2014 22:31, Andrey Fesenko wrote:
On Thu, Apr 17, 2014 at 2:10 PM, Andrey Fesenko <f0and...@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@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
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