Re: [usb-storage] "transport indicates command failure" when hot-plugging a USB device

[Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>]

On Fri, 27 Jul 2007, Jean-Claude Repetto wrote:

> > I wonder if a START_UNIT would help.... I've heard through the grapevine
> > that a common OS reponse to "Not ready" is START_UNIT.
> > 
> > Matt
> > 
> 
> How can I test that ? Could you send me a patch against the kernel 
> 2.6.22 driver ?

You can do it yourself pretty easily.  In drivers/scsi/sd.c, find the 
sd_spinup_disk() routine and comment out the call to 
media_not_present() near its start.  You also have to comment out the 
check of sdkp->device->no_start_on_add.

Alan Stern


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