2015-10-27 17:14 GMT+01:00 Hans Petter Selasky <h...@selasky.org>:

> On 10/27/15 17:05, Ranjan1018 . wrote:
>
>> I have a 64GB USB stick that works correctly in Windows and Linux but not
>> in FreeBSD. The problem is during the write.
>>
>> In FreeBSD I have tested the stick with the command:
>>
>> # dd if=/dev/zero of=/dev/daX bs=1m
>>
>> and, after some time, I received these errors in i386 and amd64:
>>
>>
> Hi,
>

Hi Hans,
thank you for your answer.

>
> Are you sure the disk is of the size advertised?
>

In Linux I obtain:

$ uname -a

Linux phenom2 3.2.0-4-amd64 #1 SMP Debian 3.2.57-3+deb7u2 x86_64 GNU/Linux

$ sudo dd if=/dev/zero of=/dev/sdf obs=1M seek=8100

dd: writing to `/dev/sdf': No space left on device

114485248+0 records in

55900+0 records out

58615398400 bytes (59 GB) copied, 20869.4 s, 2.8 MB/s



> How many 512-byte blocks are successfully written?
>
> In FreeBSD :

# uname -a

FreeBSD microserver 10.2-STABLE FreeBSD 10.2-STABLE #4 r289314M: Wed Oct 14
15:38:08 CEST 2015     root@microserver:/usr/obj/usr/src/sys/GENERIC  amd64

# dd if=/dev/zero of=/dev/da0 bs=1m

dd: /dev/da0: Input/output error

8140+0 records in

8139+0 records out

8534360064 bytes transferred in 3013.528065 secs (2832016 bytes/sec)

# uname -a

FreeBSD qbic 10.1-STABLE FreeBSD 10.1-STABLE #0: Sat May  9 07:53:21 CEST
2015     root@ativ:/usr/obj/i386.i386/root/TEMP/i386_SRC/src/sys/KSTACK_PAGES_4
 i386

[root@qbic ~]# dd if=/dev/zero of=/dev/da2 bs=1m

dd: /dev/da2: Input/output error

8140+0 records in

8139+0 records out

8534360064 bytes transferred in 3011.855356 secs (2833589 bytes/sec)

# uname -a

FreeBSD ativ 11.0-CURRENT FreeBSD 11.0-CURRENT #10 r289378M: Thu Oct 15
21:57:57 CEST 2015     root@ativ:/usr/obj/usr/src/sys/GENERIC  amd64

[root@ativ ~]# dd if=/dev/zero of=/dev/da1 bs=1m

dd: /dev/da1: Input/output error

8140+0 records in

8139+0 records out

8534360064 bytes transferred in 3041.663436 secs (2805820 bytes/sec)

[root@ativ ~/bin]# dd if=/dev/zero of=/dev/da1 bs=1m seek=12140

dd: /dev/da1: Input/output error

69+0 records in

68+0 records out

71303168 bytes transferred in 35.119861 secs (2030280 bytes/sec)

[root@ativ ~/bin]# dd if=/dev/zero of=/dev/da1 bs=1m seek=12200

dd: /dev/da1: Input/output error

9+0 records in

8+0 records out

8388608 bytes transferred in 13.562622 secs (618509 bytes/sec)

Regards,
Maurizio
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