On Tue, 6 Dec 2005 [EMAIL PROTECTED] wrote:

> >> >> How can I optimize it? Now on my kernel 2.6.11 and Pendrive
> >> >> Kingston TRaveler 512MB it takes about few (5-6) seconds.
> >> >
> >> >You can set the extra delay to any number of seconds by adding a line to
> >> >/etc/modprobe.conf.  For example, to eliminate it entirely (set it to 0),
> >> >add a line saying
> >> >
> >> >options usb-storage delay_use=0
> >> >
> >> 
> >> no results
> >
> >Did you rmmod the usb-storage driver, so that when it was reloaded it 
> >would see the new setting?
> >
> 
> 
> Ok, I see I'm not experienced enough in Linux, but I know I compiled the usb 
> support into kernel, not as module, so what is the solution in that way?

I didn't realize you had the USB drivers built into the kernel.  In that 
situation /etc/modprobe.conf isn't used.  Instead you have to do this (you 
can put it in /etc/rc.d/rc.local or someplace similar so it will run 
whenever you reboot):

echo 0 >/sys/bus/usb/drivers/usb-storage/module/parameters/delay_use

Alan Stern



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