Hello, I was instructed to send this issue to this mailing list: https://bugzilla.kernel.org/show_bug.cgi?id=54131 -- I have a Macbook Air 2012 running Ubuntu 13.04 with the 3.8.0 kernel (not an RC). My Thunderbolt Ethernet adapter is usable but only if it is inserted at boot. If it is removed after being available, the kernel will panic. Generally it takes a minute or two or I have to fire up Chrome or something to stir it. I assume the crash isn't written out on a Mac EFI system but I can easily reproduce it and retype whatever bits are important. I did take a snapshot with my camera: http://i.imgur.com/q2iuHWZ.jpg Apologies if this is the wrong format or place for this; I'm reporting my first kernel bug. Cheers. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html