[Needs More Info] Near instant crash to desktop when playing.

04/21/2020 01:23
Title:Crash to desktop on Nightshade pass, preliminary test shows GPU Occlusion to blame
Reproduction Rate: Not sufficiently tested to determine (seems 100%)
Blocker? yes
Details: Crash to desktop when adventuring in Nightshade pass, somewhere around loading the main view. Simple A/B test implies GPU Occlusion might be the cause.
Steps to Reproduce: Load Nightshade pass and adventure up towards the left path and look over the lake.
With GPU Occlusion on will freeze, suddenly increase memory usage, and then crash (at least on my machine)
With GPU Occlusion off will not crash and will operate normally.
User Specs:
OS: Linux 5.3 Ubuntu 19.10 64bit
CPU: AMD Ryzen 5 1500X Quad-Core Processor (8) System RAM: 16009
GPU: AMD Radeon (TM) RX 480 Graphics (POLARIS10, DRM 3.33.0, 5.3.0-46-generic, LLVM 10.0.0) GPU RAM: 7963
SotA.Linux.64.1178.Date.04.20.20
Area: Novia_R3_Hills02_Hilt_Exterior
Area Display Name: Nightshade Pass
Loc: (324.2, 57.8, -102.0)
Debug: Tm92aWFfUjNfSGlsbHMwMl9IaWx0X0V4dGVyaW9yfHwoMzI0LjIwNiwgNTcuNzY4LCAtMTAyLjAxMyl8KDAsIC0wLjc2MSwgMCwgMC42NDkpfDI2MC45NDM3fDEwfDUuMjQzMjE5

 

It's still crashing without GPU occlusion, but far less frequently. I can play roughly an hour between crashes now with GPU occlusion off.

These crashes need to be addressed BADLY.

 

I found this critical error in the log:
"NavMeshLoadTime SceneId=Novia , Time=0.5327148
DllNotFoundException: GDOC
at (wrapper managed-to-native) Bearroll.GDOC.ResetOccludees()
at Bearroll.GDOC.Clean () [0x0006d] in <8c8e4240e00e44f18191309e0d2f6541>:0
at Bearroll.GDOC.OnDisable () [0x00012] in <8c8e4240e00e44f18191309e0d2f6541>:0
UnityEngine.Behaviour:set_enabled(Boolean)
Bearroll.GDOC:OnEnable()
Bearroll.GDOC:Awake()"

I looked up what that was, it turns out your GPU Occlusion library is being linked into the Linux and Mac version despite the library not being there.

You need to create a compiler directive to fix this. The game should not be building with links to a library for platforms that don't ship with that library.

I suspect this is the major issue for all frequent crash bugs starting this release for Linux and Mac users.

BTW, I highly question the competence of a developer who fails to put a platform-selection compiler directive in their Unity Store plugin. You should not have to add such a directive, it should be built into the plugin. You may want to ask for a refund unless they can address this.

 

these crashes are not being experienced by all linux users.

 

Are they being experienced by specific Linux users, though?

What is happening on the library is it is attaching itself to the camera's object, and then not removing itself on build for unsupported platforms.

I don't know if this is related to the crash or not.

 

As a note, it seems this isn't the source of the most frequent crash recently. However, I suspect it is still causing issues. This sort of missing routine can cause lag issues, or crashes.

You may want to look into the RPC routine to transfer songs as well. I noticed that ran just before one of my recent crashes.

I'm sure there are problem routines all over the place and they are likely due to various issues upstream in Unity resulting in buffer overflows and stack overflows.

Since most such bugs leave noticeable marks in the profiler either as sudden unexplained memory usage, or sudden unexplained execution latency, you may want to create a profiler readout synced with a log and try and find any spot that is causing such patterns. Once the comparison is done you should have a list of suspect routines which you can create a suspicion level chart for.

Then you can experiment with the code that calls the routine to find a way to implement it working around the particular bug.

 

1. Title: Near Instant crash shortly after joining on Linux.
   
2. Reproducible? Yes
   
3. Blocker? Yes
4. Details: I am getting a near instant crash to desktop when playing. It throws a bunch of NREs than it looks like it is attempting to load a bunch of Windows binary dlls, including Kernel32.dll for some reason according to the log.
   
5. Steps to Reproduce: Try to play the game on Linux. you won't get far.
   
6. User Specs: (RAM, CPU, GPU and Operating System only)
   16GB of Ram (11~14GB available.)
   AMD Ryzen 1600X CPU
   AMD Radeon RX480 GPU (POLARIS10, DRM 3.33.0, 5.3.0-51-generic, LLVM 10.0.0)
   OpenGL 4.6 (Core Profile) Mesa 20.0.6 - kisak-mesa PPA
   Ubuntu Linux 19.10

I'll post the debug log.

All this trouble started around the time the GPU occlusion engine was added. I am suspecting it is not removing itself properly from the Linux and Mac builds.

p.s. Debug log and system information reports:
https://gist.github.com/Ruedii/ce9128a40cba6014445057182e928b5b

 

BTW, I apologize for the files being out of order. GitHub rearranged their order for some reason.

I intended the Player.Log to be first.

Link that goes straight to Player.log:
https://gist.github.com/Ruedii/ce9128a40cba6014445057182e928b5b#file-player-log

Raw Player log file:
https://gist.githubusercontent.com/...4a884a8fb349d94ccb0406adc20b079f27/Player.log

 

OK, it seems to only be 100% replicatable (near instant crash) when playing in the area near the Envy Angel's cottage.

Otherwise it is random infrequent crashing and poor performance. I cannot know for sure if those are related.

Any progress on this?

 

I haven't noted any changes in the patch notes so I haven't retested. I've been playing other games for a bit. I'll get back if I'm asked to check or if change-logs mention fixing anything that leads to crashes.

On the list of changes that I'm looking for in changelogs:
Anything that says it fixes a crash (might also fix the one I'm experiencing)
Anything that says it's updating a particular library. (Could fix the crash, could make it worse.)
Anything that says it's updating the Unity versions.

If there is anything else I should add to the list let me know.

P.S. added tags to the post.

 

@AoiBlue Are you still having issues? Envy Angel is back currently, FYI.