RPI2: (da0:umass-sim0:0:0:0): READ(10). CDB: 28 00 00 b6 d0 e8 00 00 18 00

[Jia-Shiun Li]

If it keeps complaining at the same offset (3rd to 6th byte) then it
probably is.
You can do a whole disk read scanning through it to see
if it will be stuck at the same position every time.

-Jia-Shiun.

On Sat, Nov 19, 2016 at 1:25 AM, bob prohaska <fbsd at www.zefox.net> wrote:

> Lately -head on an RPI2 has started showing what looks like a recovered
> error
> on the console shortly after rebooting:
>
> Thu Nov 17 09:30:18 PST 2016
>
> FreeBSD/arm (www.zefox.com) (ttyu0)
>
> login: Nov 17 09:31:36 www su: bob to root on /dev/pts/0
> (da0:umass-sim0:0:0:0): READ(10). CDB: 28 00 00 b6 d0 e8 00 00 18 00
> (da0:umass-sim0:0:0:0): CAM status: CCB request completed with an error
> (da0:umass-sim0:0:0:0): Retrying command
>
>
> FreeBSD/arm (www.zefox.com) (ttyu0)
>
>
> It repeats verbatim between OS builds and reboots. No detectable problems
> otherwise are apparent. Uname -a reports:
> FreeBSD 12.0-CURRENT (RPI2) #13 r308792: Thu Nov 17 23:13:55 PST 2016
>
> da0  is a USB flash drive hosting /usr, /var, /tmp and swap, root is on
> micro-SD.
>
> Is this suggestive of hardware trouble?
>
> Thanks for reading!
>
> bob prohaska
>
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