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Won't Fix
Won't Fix in 6000.5.X
Votes
0
Found in
6000.3.6f1
6000.4.0b5
6000.5.0a4
Issue ID
UUM-134234
Regression
No
Crash on mdb_txn_renew0 when performing various Unity operations in a project that's located under a remote drive path (OneDrive, Dropbox, etc)
How to reproduce:
Steps are unclear, however the issue was observed to occur when:
- Opening projects
- Creating new projects
- Importing assets
- Reloading assets
- Manipulating Assets in any way
Reproducible with versions: 6000.3.0b2 - 6000.3.6f1, 6000.4.0a2 - 6000.4.0b5, 6000.5.0a3 - 6000.5.0a4 (Sentry data)
Reproducible on: Windows 10, Windows 11
Notes:
-Not reproduced by CQA
-The crash only occurs when the user project is located in a remote drive (OneDrive, DropBox)
-Sentry only collects data for Windows crashes, so we are not able to determine if the issue is reproducible on other environments
First few lines of stacktrace:
0x00007FF9ECF11BDC (Unity) mdb_txn_renew0
0x00007FF9ECF11605 (Unity) mdb_txn_begin
0x00007FF9EE0FE01F (Unity) LMDB_Transaction::Open
0x00007FF9EE0EFB5A (Unity) LMDB_Transaction::LMDB_Transaction
0x00007FF9EE214C07 (Unity) LMDBIndexStorage::SetTimestamp
0x00007FF9EE215E64 (Unity) LMDBIndexStorage_Set_Custom_PropTimestamp
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Resolution Note:
Unity does not support hosting projects on cloud storage services because we require exclusive file management. This means that this workflow is non-deterministic and we unfortunately can't guarantee that your project will behave predictably when using cloud storage.
On our crash database, there seems to be a strong correlations with recent Windows updates and these crashes, which further emphasizes my point.
I recommend moving your project to a non-cloud directory and using traditional source control instead.
Resolution Note (6000.5.X):
Unity does not support hosting projects on cloud storage services because we require exclusive file management. This means that this workflow is non-deterministic and we unfortunately can't guarantee that your project will behave predictably when using cloud storage.
On our crash database, there seems to be a strong correlations with recent Windows updates and these crashes, which further emphasizes my point.
I recommend moving your project to a non-cloud directory and using traditional source control instead.