[argyllcms] Re: googling in circles here, DTP-94

  • From: Graeme Gill <graeme@xxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Sat, 25 Apr 2015 10:29:25 +1000

Jan Walker wrote:

The DTP-94 was still attached according to the OS but it took a lot of
fiddling to get
dispcal to notice it. Restarting the machine works too but that's a heavy
hammer. Maybe
something happens to the port assignments during sleep and/or return from
sleep?

Maybe, but this seems to be typical with many systems, and there is little a
mere
application can can do about problems with the Operating System.
[ Both my Mac Laptops have bugs in sleep/wake behaviour - in one the display
gets
more and more "snow" on it because some timing register in the display
hardware
hasn't been restored, and in the more recent one, sometimes the keyboard
driver/interface doesn't re-startup after sleep. ]

Simplest fix to a USB device not being noticed is to un-plug and re-plug the
instrument.
If that doesn't work, then a reboot is about the only way of making the
Operating
System get its house in order.

Graeme Gill.


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