On Mon, Feb 06, 2017 at 12:37:06PM +0200, Mika Westerberg wrote: > On Sun, Feb 05, 2017 at 08:34:54AM +0100, Lukas Wunner wrote: > > @Mika, Rafael: Are you aware of Skylake machines with unreliable link > > training, or perhaps errata of Skylake chips related to link training > > on hotplug ports? > > According to the 100-series (the chipset used with Skylake) errata > below, I don't see any mentions related to PCIe link training issues. > > http://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/100-series-chipset-spec-update.pdf Yinghai Lu responded off-list that the hardware in question is an unreleased / secret Intel product, so this particular issue cannot be expected to be documented publicly at this point. Of course this raises the question whether issues with unreleased products can at all be considered valid regressions, given that the final product may not regress. It seems like a novelty to me that patches would get reverted for something like this, but we'll see. Lukas
