Re: Linux Support for Thunderbolt using Apple Monitor

From: Greg KH
Date: Wed May 09 2012 - 23:45:10 EST


On Thu, May 10, 2012 at 11:49:35AM +1000, Francois Rigaut wrote:
> Greg,
>
> I went ahead and contacted John Ronciak at intel.
> He gave a presentation on thunderbolt at the 2011 linux plumber conference.
> Here is his answer:
>
> "You are correct that most if not all issues related to Thunderbolt
> on Linux is due to BIOS problems. We have not seen anything other
> BIOS issues regarding Thunderbolt issues on Linux. When the BIOS is
> working correctly the hot-plug PCIe works fine wrt the kernel. These
> are things that cannot be fixed in the drivers or in kernel
> infrastructure. So newer systems are going to be better than older
> ones due to these BIOS issues."

Thanks for letting us know, so there's nothing we can do for these
machines, and we just have to hope the next-generation machines get this
correct.

greg k-h
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