On Thu, Nov 13, 2014 at 07:44:20AM -0800, Greg KH wrote:
> On Thu, Nov 13, 2014 at 10:17:07AM +0100, Milan Kocian wrote:
> > Hi,
> > 
> > after upgrade from 3.16 to 3.17.2 this device isn't in lsusb output
> > after plugging in :
> > 
> > Bus 004 Device 002: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial 
> > Port
> > (driver pl2303, usb to serial converter)
> > 
> > The only way how to make it functional is to boot machine with connected 
> > device.
> > But after unlug/plug the device disappeared and isn't detected again.
> > 
> > 
> > (Probably a found once more non-functional device (USB keyboard) that wasn't
> > detected but I thinked that problem is in keyboard...)
> > 
> > Some other devices work fine (USB modem, flashdisk).
> > 
> > Workaround is to downgrade to the kernel 3.16.
> > 
> > System: debian unstable, selfcompiled vanilla, Thinkpad X61x
> 
> Are there any kernel log messages when you plug the device in?
> 
> thanks,
> 
> greg k-h
> 

No.

-- 
Milan Kocian
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