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Loading a document on Fedora29 takes forever

heath_pettyheath_petty Member Posts: 2
I have a fresh install of Fedora29, and when looking at any of my documents, they don't load, or load so slowly, by the time I notice I am logged out. This behavior happens in both Firefox and Chrome. Here is how I reproduce the issue:

Login to onshape.
Click on any of my drawings
Page loads, but only the header loads, the body area is a spinner. 

I am using Version 71.0.3578.98 (Official Build) (64-bit) of chrome, and Firefox Quantum 62.0.3. 

I have tested my browsers and they both pass all the checklist items. Any other debugging stuff I can run? I'd really like to get back to modeling again :)

I do not have this issue on my Ubuntu 16.04 laptop, which is running firefox 64.0 


  • raj_Onshaperaj_Onshape Onshape Employees Posts: 88
    Does https://cad.onshape.com/check indicate anything ?
  • heath_pettyheath_petty Member Posts: 2
    Does https://cad.onshape.com/check indicate anything ?
    That page does not indicate any issues (besides me having an Intel video card and warning of slow rendering etc - this I already knew, and was not the issue). 

    After some additional troubleshooting, and looking at tcp traffic in wireshark, I came to the conclusion that it was due to a lot of TCP errors connecting to AWS cloudfront endpoints with SSL. The cloudfront endpoint wanted to scale up the tcp window, and my wireless NIC was not having any of it. So I applied a tried and true fix for this type of issue, I set the MTU on my wireless device to 1450 (default is 1500). I don't know why none of my other laptops have this issue, nor did this same laptop have this issue when running windows. 

    Hopefully someone who is having this same issue, and banging their heads against screen will come across this answer and be back to modeling.  
  • Jake_RosenfeldJake_Rosenfeld Moderator, Onshape Employees, Developers Posts: 1,640

    Nice fix!  We are also happy to help when people cannot connect to Onshape, as it can indicate bugs in our software:
    Jake Rosenfeld - Modeling Team
  • sebastian_glanznersebastian_glanzner Member, Developers Posts: 215 PRO
    Thank you! After reading your post I switched from Wifi to LAN and it is sooo much faster now! 
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