UPSB MacBookPro : thunderbolt power on failed

My macbook pro 15 (2019) is crashing throwing following logs after catalina upgrade.


Not sure how to fix this, i have tried solutions suggested by their support team but nothing worked. Option pending is backup and erase and reinstall from scratch which i don't want to do. I have heard about apple releasing fault OS releases and causing user's issue.


If someone has been able to found some fix to this probem, do let me know.


panic(cpu 0 caller 0xffffff7f9b72e970): "UPSB(MacBookPro15,1): thunderbolt power on failed 0xffffffff\n"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/IOPCIFamily/IOPCIFamily-370.0.2/IOPCIBridge.cpp:1396



Posted on Oct 15, 2019 3:18 AM

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UPSB MacBookPro : thunderbolt power on failed

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