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Old 04-04-2016, 08:52 AM   #1
shad0wca7
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Join Date: Jun 2015
Posts: 31
Default New log spamming & High CPU

I use two Dell D3100 displaylink adaptors (home and work) - I often need to restart when I'm coming home or going to work as the driver ends up consuming huge amounts of CPU and spamming the log:
Code:
Apr  4 09:50:50 hyperuberlaptop2 WindowServer[208] <Error>: allocate_backing_surface : IOAccelCreateSurface = e00002c7
--- last message repeated 1 time ---
Apr  4 09:50:50 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
Apr  4 09:50:50 hyperuberlaptop2 WindowServer[208] <Error>: allocate_backing_surface : IOAccelCreateSurface = e00002c7
Apr  4 09:50:50 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 17 times ---
Apr  4 09:50:50 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:50 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 76 times ---
Apr  4 09:50:50 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:50 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 36 times ---
Apr  4 09:50:51 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:51 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 21 times ---
Apr  4 09:50:51 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:51 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 3 times ---
Apr  4 09:50:51 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
--- last message repeated 1 time ---
Apr  4 09:50:51 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 83 times ---
Apr  4 09:50:51 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:51 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 107 times ---
Apr  4 09:50:51 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:51 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 31 times ---
Apr  4 09:50:52 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:52 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 62 times ---
Apr  4 09:50:52 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:52 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 7 times ---
Apr  4 09:50:52 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:52 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 2 times ---
Apr  4 09:50:52 hyperuberlaptop2 Spotlight[606] <Warning>: XPC connection was invalidated
Apr  4 09:50:52 hyperuberlaptop2 DisplayLinkUserAgent[658] <Error>: CGSDisplayStreamCreate: Invalid display 0xffffffff
--- last message repeated 38 times ---
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Old 04-05-2016, 07:07 AM   #2
Adam Kaleta
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Hello shad0wca7

Thanks for your report.
We are aware about this log spamming and this problem is investigating by the development team.

Thank you
Adam
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