On Wednesday 13 February 2013 12:07:20 Zeus Panchenko wrote:
> Hans Petter Selasky <hsela...@c2i.net> wrote:
> > Try to set the no synchronize quirk for your device first:
> first of what, sorry?
> first of pluging the reader?
> or first of noising here? :)
> > usbconfig dump_quirk_names
> yes, a lot of them
> > usbconfig -d X.Y add_quirk UQ_MSC_NO_SYNC_CACHE
> 1. plug reader in (the same ugen1.3)
> 2. > usbconfig -d 1.3 add_quirk UQ_MSC_NO_SYNC_CACHE;echo $?
>    0
> 3. re-pluging reader and the complains are there, all the same :(


The errors you get possibly mean your device does not support a specific SCSI 
command and crashes! This is not a USB fault, but more related to CAM/SCSI 

Try using:

usbdump -i usbusX -f Y -vvv -s 65536

And see if you get any ERR= which are not the same like ERR=0

31 byte transfer are wrapped SCSI commands.
13 byte transfers are SCSI status messages.

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