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Three years. The @XilinxInc engineering team is "investigating" on how to fix a trivial bug in HLS co-simulation related to the order of include directories for three years now. This is just surreal.pic.twitter.com/F7JU89tcwe
But then there is this. Vivado segfaults in certain situations without this trivial shell-script fix. I first reported that in 2016. I even got a CR number (966939). This is still broken in Vivado 2018.1. How many years of "investigating" until you fix this @XilinxInc?pic.twitter.com/3E9rNX54Yg
Here are some more details regarding that last one. For months @XilinxInc refused to create a CR because they couldn't reproduce the multi-threading bug in a single-core VM. 
(Notice my optimism about a fix in 1-2 years at the end of that email. :)pic.twitter.com/gKtQG6jJD3
If anyone is wondering about the first bit in that email regarding the Ubuntu 16.04 image and disabling updates: I originally reported this stating my OS is 16.04.1 (i.e. 16.04 with regular updates). @XilinxInc stated that 16.04.1 is not supported, only 16.04 is. 1/
After I explained that 16.04.1 is just 16.04 with updates pre-installed, they doubled down and said that 16.04 with any updates is not supported, only the 16.04 image as originally distributed in April 2016 is. 2/
So I first had to install that exact version of Ubuntu with updates disabled in a VM and demonstrate the issue there before they were willing to even look at the details of the exact issue I was reporting. I wonder if they have a similar no-updates policy for Windows. 3/3
Given that @XilinxInc is shipping images of some developers' machines with Vivado to get around the "works for me" problem I'm not surprised.
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