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EddieMa · 08-15-2015, 04:08 PM

I have this problem too -- it hits the log whenever I switch desktops (spaces) in the DisplayLink displays -- or if I activate a window in a DisplayLink display.

(I'm running a pair of LT1421 displays using a MBP 13" 2012, if that helps -- and this happens with/without a usb hub between my MBP and the displays.)

Here's a sample of my log.

2015-08-15 12:03:53.345 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7
2015-08-15 12:03:53.346 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7
2015-08-15 12:03:53.987 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7
2015-08-15 12:03:53.988 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7
2015-08-15 12:03:54.099 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7
2015-08-15 12:03:54.251 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7
2015-08-15 12:03:54.251 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7
2015-08-15 12:03:54.253 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7
2015-08-15 12:03:54.953 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7
2015-08-15 12:03:54.954 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7

Please let me know if you need any more information to debug this.

08-15-2015, 04:08 PM	#6
EddieMa Member Join Date: Oct 2011 Posts: 33	I'm also getting this "IOAccelCreateSurface = e00002c7" in my log I have this problem too -- it hits the log whenever I switch desktops (spaces) in the DisplayLink displays -- or if I activate a window in a DisplayLink display. (I'm running a pair of LT1421 displays using a MBP 13" 2012, if that helps -- and this happens with/without a usb hub between my MBP and the displays.) Here's a sample of my log. 2015-08-15 12:03:53.345 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 2015-08-15 12:03:53.346 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 2015-08-15 12:03:53.987 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 2015-08-15 12:03:53.988 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 2015-08-15 12:03:54.099 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 2015-08-15 12:03:54.251 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 2015-08-15 12:03:54.251 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 2015-08-15 12:03:54.253 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 2015-08-15 12:03:54.953 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 2015-08-15 12:03:54.954 PM WindowServer[143]: allocate_backing_surface : IOAccelCreateSurface = e00002c7 Please let me know if you need any more information to debug this.