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#1 |
Junior Member
Join Date: Aug 2011
Posts: 3
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After system sleep (suspend to ram / standby) I experience a severe drop in graphics performance, e.g. sluggish scrolling / GUI animations.
Occurs even if I haven't connected a display via displaylink. After reboot, performance is normal. My system specs: 10.7 driver beta 3 Mac OS X Lion 10.7 Build 11A2063 MacBookAir 4,2 (Core i7 1.8GHz, Intel HD Graphics 3000) |
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#2 | |
Senior Member
Join Date: Apr 2011
Posts: 280
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#3 |
Junior Member
Join Date: Aug 2011
Posts: 3
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Thanks for your reply.
I conducted the tests without a DisplayLink adapter connected, as the problem occurs either way, maybe you can rule out some sources this way. If you want me to repeat the tests with an adapter connected, I can do so. I only see the process "DisplayLinkUserAgent", of which no increase in CPU usage can be noticed after system sleep and the performance drop (about 0.2% before and after) |
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#4 |
Senior Member
Join Date: Apr 2011
Posts: 280
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Thanks for the debug information. Unfortunately no weird DL-related activity are logged after wakeup.
Could you please try to uninstall and reinstall the driver 1.7b3 (we had a similar issue solved just after reinstalling the driver)? Just to be sure, check if the issue is not reproducible after uninstalling the driver. Thanks |
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#5 |
Junior Member
Join Date: Aug 2011
Posts: 3
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I have been experiencing the exact issue on my 2011 MacBook Air with the beta 3 driver. I have uninstalled the driver, and the performance after the MBA wakes up is back to normal. When I reinstall the beta 3 driver, the same problem comes back.
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#6 |
Senior Member
Join Date: Apr 2011
Posts: 280
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Thanks for your report. It sounds like a possible compatibility issue of our kernel extension with the 2011 MacBookAir models. We're going to investigate the issue.
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#7 |
Junior Member
Join Date: Aug 2011
Posts: 2
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I'm experiencing the same slowness with a brand new 2011 13" MacBook Pro. I also experience consistent, repeatable crashing at the fast user switching login screen. I currently cannot use the DisplayLink adapter because of these issues.
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#8 | |
Senior Member
Join Date: Apr 2011
Posts: 280
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#9 |
Junior Member
Join Date: Aug 2011
Posts: 3
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Thanks for working on this. I use this product at work daily, and it would be great to have this issue resolved.
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#10 | |
Senior Member
Join Date: Apr 2011
Posts: 280
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