dortania / dortania/bugtracker
Changes in Catalina's USB IOClass
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Description
Hi,
I had Sleep issues with USB on my MSI B450i board until I compared the USB mapping kext with the actual kext it is supposed to patch in macOS 10.15.5
In the current AMD-USB-Map.kext, the CFBundleIdentifier and IOClass parameters do not match the values found in /System/Library/Extensions/IOUSBHostFamily.kext/Contents/PlugIns/AppleUSBHostPlatformProperties.kext/Contents/Info.plist
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Research direction
Compare the current AMD-USB-Map.kext with /System/Library/Extensions/IOUSBHostFamily.kext/Contents/PlugIns/AppleUSBHostPlatformProperties.kext/Contents/Info.plist on macOS 10.15.5. Check the CFBundleIdentifier and IOClass values shown in the issue, then verify that the updated mapping addresses the reported USB sleep behavior.
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Assessment
- Tech stack
- macos
- Domain
- operating-systems
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 35/100