Re: SCSI trow USB-STORAGE or SBP2 Debug for buggy device Kernels 2.6.X

["Gustavo Guillermo Pérez" <gustavo@compunauta.com>]

El Lunes, 24 de Abril de 2006 17:02, James Bottomley escribió:
> On Mon, 2006-04-24 at 16:30 -0500, Gustavo Guillermo Pérez wrote:
> > Ok, this is what I've got.
>
> Thanks, this is interesting:
> > Apr 24 16:12:14 gusgus kernel: sr 1:0:0:0: Device not ready: <6>:
> > Current: sense key=0x2
> > Apr 24 16:12:14 gusgus kernel:     ASC=0x4 ASCQ=0x8
>
> That's "LU not ready; long write in progress"
>
> > This Other is cause I left the print outside the brackets, cause I want
> > to see on closing session.
> >
> > Apr 24 16:13:10 gusgus kernel: : Current: sense key=0x2
> > Apr 24 16:13:10 gusgus kernel:     ASC=0x3a ASCQ=0x0
>
> Yes, that's just medium not present.
>
> So, I could change the long write in progress to a retry.  However, I
> suspect the reason we got that return is because this device is untagged
> (doesn't accept multiple commands at once) and perhaps a better fix
> might be to reduce the queue depth down to one to prevent more than one
> command being outstanding at any one time.
It would not be better to include some handling on the black list? it means 
doing a new BLACK_CONST to handle just this special case?.


-- 
Gustavo Guillermo Pérez
Compunauta uLinux
www.compunauta.com
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