Ezload problems.

[Bernd Walter]

On Wed, Mar 30, 2005 at 03:40:36PM +0400, Alexandre Jouravlev wrote:
> 
> On Mar 30, 2005, at 3:04 PM, Bernd Walter wrote:
> >
> >E.g. you switch firmware by issuing an USB request and if the
> >device disconnects bevor the request is completed things may hang
> >until timeout or even forever.
> >
> Device disconnects normal, as I can see the device after reboot. (At 
> least I think so.)

That you see it after reboot is a completely different story.
During reboot the device won't receive USB frames requiring the device
to suspend and reset USB states when seeing frames again.

> >You say that you see the disconnect.
> >In which lock state (ps -axl) are the usb* and ezload processes
> >after the disconnect message?
> 
> There is no ezdownload process after disconnect message. usb* in 
> different states like usbevt and usbtsk. With USB_DEBUG I can see that 
> download process is completed before disconnection. Hidden flag -r of 
> ezdownload utility also does not help.

Try setting hw.usb.uhub.debug=20 befor testing.
Would be interesting to see why you see a disconnect event,
but no connect.

> >Is there any change if you wait a minute?
> >
> No change even if I wait for a whole night.

usbevt and usbtsk are also OK if the system is idle.

-- 
B.Walter                   BWCT                http://www.bwct.de
bernd at bwct.de                                  info at bwct.de