Re: [coldsync-hackers] usb syncronisation troubles

[Greg KH <greg at kroah dot com>]

On Fri, Nov 28, 2003 at 04:56:28PM +0300, spied@yandex.ru wrote:
> >> >> AZ>  What if you launch several instances of coldsync, each one with a different
> >> >> AZ>  ttyUSBx device? 
> >> >> 
> >> >> ok
> >> >> via libusb call each found several palm devices. each palm have own
> >> >> serial number. how coldsync know what serial use?
> >>
> >> AZ> ? each instance will take care of the first unassigned palm... am I
> >> AZ> missing something? i'm a bit tired today ;)
> 
> it's one of possible solutions, but imho any way in userspace is ugly
> and/or not very stable.
> 
> examples:
>  - palm device not listed in kernel visor module (old kernel), but
>  coldsync know about this model and get serial number from it to other
>  palm
>  - hotsync on several palms pressed with very small time difference -
>  coldsync can swap serial numbers across devices
> 
> it's one way without global changes get information from kernel to
> userspace - read kernel log. but it's VERY ugly

Catch the hotplug event for when the visor device is added to the
system.  Isn't very hard to do at all with the latest version of the
linux-hotplug core package.

greg k-h
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