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DisplayLink Causing my Machine to run very slowly
1 Attachment(s)
Hi
Im running Yosemite, Parallels with a MacBook Pro 2.6Ghz 16Gb, with 6 external monitors 2 off the macbook and 4 with the StarTech uSB32DVIPro I primarily use this as a development environment. Recently I've noticed a massive slowdown in performance, even as far as Typing code. Ive gone through a lot of Mac Checks, reset permissions etc and have installed a fresh version of windows ruling out any other issues. Yesterday i removed the DisplayLink drivers and the performance was considerably faster. (i appreciate it was only 2 monitors but it was fast). I reinstalled the your drivers 2.4b and it slowed again. i ran sudo opensnoop after reading another thread and im seeing the following: 501 222 cfprefsd 4 /Users/JamesGuymer/Library/Group Containers/4C6364ACXT.com.parallels.Desktop/Library/Preferences/4C6364ACXT.com.parallels.Desktop.plist.n1wFsgU 501 1036 Terminal 21 /Users/JamesGuymer/Library/Saved Application State/com.apple.Terminal.savedState/data.data 501 1036 Terminal 22 /Users/JamesGuymer/Library/Saved Application State/com.apple.Terminal.savedState/windows.plist 501 1036 Terminal 23 /Users/JamesGuymer/Library/Saved Application State/com.apple.Terminal.savedState/window_1.data 501 1036 Terminal 24 /Users/JamesGuymer/Library/Saved Application State/com.apple.Terminal.savedState/window_2.data 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 501 222 cfprefsd 4 /Users/JamesGuymer/Library/Group Containers/4C6364ACXT.com.parallels.Desktop/Library/Preferences/4C6364ACXT.com.parallels.Desktop.plist.n1wFsgU 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 501 222 cfprefsd 4 /Users/JamesGuymer/Library/Group Containers/4C6364ACXT.com.parallels.Desktop/Library/Preferences/4C6364ACXT.com.parallels.Desktop.plist.6deqZVx 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 501 222 cfprefsd 4 /Users/JamesGuymer/Library/Group Containers/4C6364ACXT.com.parallels.Desktop/Library/Preferences/4C6364ACXT.com.parallels.Desktop.plist.6deqZVx 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 501 222 cfprefsd 4 /Users/JamesGuymer/Library/Group Containers/4C6364ACXT.com.parallels.Desktop/Library/Preferences/4C6364ACXT.com.parallels.Desktop.plist.BSEpqIm 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml 0 94 DisplayLinkMana 6 /Library/Application Support/DisplayLink/.dl.xml Ive attached my display link information for you Ive had to remove your drivers for now and revert to 2 monitors which is not ideal for what im doing. Thanks James |
Hi James,
Thank you for the report. We can see the same root cause. The impact on performance seems to be system specific. In any case we think we can fix it, not sure we'll be able by the final 2.4 though. Before you ask I cannot give any dates! Regards, Carlo |
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