On Wed, Mar 12, 2014 at 11:05 +0100, Moritz Grimm wrote:
> > On a Shuttle DS47, with a recent Samsung SSD 840, significant I/O churn
> > (cvs checkout on top of existing repository, while removing another, and
> > some more) appears to have caused and/or triggered intermittent I/O errors.
> >
> > In dmesg, the error shows up as this:
> > ahci0: attempting to idle device
> > ahci0: couldn't recover NCQ error, failing all outstanding commands.
> [...]
> > sd0 at scsibus0 targ 0 lun 0: <ATA, Samsung SSD 840, DXM0> SCSI3
> > 0/direct fixed naa.5002538550409483
> > sd0: 122104MB, 512 bytes/sector, 250069680 sectors, thin
>
> The exact model of this disk is MZ-7PD128 (SSD 840 Pro). Off-list, I was
> asked to check, if the disk runs the latest firmware.
>
> I assume it does, because the latest firmware from Samsung is dated June
> 2013, and I purchased the disk this January. But I don't know, how to
> confirm this.
>
> The firmware version is cut off in the dmesg above (the interesting
> parts begin right after the "DXM0"). Apart from the disk's serial
> number, bioctl -q sd0 doesn't show any more either.
>
> Is there a way to get more of this string?
>
>
> Moritz
>
I'm using the same ssd on my x220.
ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x04: msi, AHCI 1.3
scsibus0 at ahci0: 32 targets
sd0 at scsibus0 targ 0 lun 0: <ATA, Samsung SSD 840, DXM0> SCSI3 0/direct fixed
naa.50025385502dfd82
sd0: 122104MB, 512 bytes/sector, 250069680 sectors, thin
yamori:~% sudo atactl sd0
Model: Samsung SSD 840 PRO Series, Rev: DXM04B0Q, Serial #: S12PNEAD415546M
Device type: ATA, fixed
Cylinders: 16383, heads: 16, sec/track: 63, total sectors: 250069680
Device capabilities:
ATA standby timer values
IORDY operation
IORDY disabling
Device supports the following standards:
ATA-2 ATA-3 ATA-4 ATA-5 ATA-6 ATA-7 ATA-8 ATA-9
Master password revision code 0xfffe
Device supports the following command sets:
NOP command
READ BUFFER command
WRITE BUFFER command
Host Protected Area feature set
Read look-ahead
Write cache
Power Management feature set
Security Mode feature set
SMART feature set
Flush Cache Ext command
Flush Cache command
Device Configuration Overlay feature set
48bit address feature set
Set Max security extension commands
DOWNLOAD MICROCODE command
SMART self-test
SMART error logging
Device has enabled the following command sets/features:
NOP command
READ BUFFER command
WRITE BUFFER command
Host Protected Area feature set
Read look-ahead
Write cache
Power Management feature set
SMART feature set
Flush Cache Ext command
Flush Cache command
Device Configuration Overlay feature set
48bit address feature set
DOWNLOAD MICROCODE command
