And I do not recall having run into a need to unload the Mac side kernel extension for it to work.HOWEVER, I do not recall actually having INSTALLED any kext for Mac-Side functionality. and seems to work perfectly, in both OSX and Windows. My "Generic" adapter uses PL2303 drivers. But, by not even installing them on the Mac side, and using the Keyspan software within Windows, it works as a "Windows Only" unit, and without having OSX drivers in there at all, there is no interference. Yes, the newest Keyspan drivers are broken on OSX. and have made the following observations: I use, with varying degrees of success, both a Keyspan HS19 and a "no name" Generic USB-RS232 adapter. Please note that if the MAC OS X is rebooted then the kextunload command needs to be run again since it will be loaded upon boot. This particular chipset driver obviously interferes with VMWare Fusion's control of the USB device and the kextunload command removes the driver from the kernel's running memory. This then worked and I could then use the USB-to-Serial convertor under my windows VM. When I had done this I returned to my VMWare VM and clicked on the Virtual Machine menu then USB then Connect Prolific USB-Serial Controller. Kextunload: unload kext /System/Library/Extensions/osx-pl2303.kext/ succeeded Kextunload /System/Library/Extensions/osx-pl2303.kext/ In order to make this device work with VMWare Fusion 2 I had to run the following command as root from the MAC Terminal: When these drivers are running the following will be displayed in Apple System Profiler under the USB subheading: The drivers I use are freely available with the GPL licence at. The answer is fairly simply if you happen to use the prolfic PL2303 drivers for the MAC. I am puzzled by why Fusion 11 behaves differently than Fusion 8.5 with the same VM - that also had VMWare tools auto-run.I have succeded with this problem. For assistance in solving this problem, click this message" One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it. Fusion: "The device was unable to connect to its ideal host controller." ģ. Which os do you want to connect this device to Mac OS or WindowsĢ. The dialogs/error messages that result in this outcome are:ġ. Not clear to me that "upgrade" is helping though not clear if/how i can undo it at this point. Win 7 sees it as an unrecognized device The one thing that concerns me about the thread you referred me to was upgrading the vm hardware to version 14 - as i did upgrade the VM before i got the security and privacy allow prompts working properly. (After that), What still does not work under Fusion 11 (w/ the same VM that did work under fusion 8.5) was connecting a USB 3 flash drive to the USB 3 internal hub in my MacBook Air. That part basically works as it did when I started this thread. What do I need to do to get my USB 3 flash drive recognized properly in Win7 on an internal hub - just like it was working properly under Fusion 8.5 pre-upgrade to Fusion 11?Īppreciate help I have done the Security and Privacy steps including re-installing Fusion 11 once, clicked "allow" and get prompted for which OS to connect the USB flash drive to using Fusion 11. How can i configure this so that the device works properly under Fusion 11 without needing to carry around an external USB hub? I've now paid VMWare twice for that privilege so would really appreciate it if i can achieve what was previously possible under Fusion 8.5. Unfortunately now my USB flash drive shows as an unrecognized device, until I plug it into an external powered USB2 hub - giving me Fusion 5 flashbacks. Finally got thru getting USB devices to appear properly with Security and Privacy settings. Then later 10.13 revs broke external displays, so I upgraded to Mojave and Fusion 11. Life was simple and good under High Sierra with Fusion 8.5 where USB 3 device worked fine on internal USB 3 ports. Super simple goal: Use a USB 3 flash drive connected to internal USB 3 port in MacBook Air inside a Fusion VM running Fusion 11 on Mojave
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