Repeatedly loading / unloading rstan hard crashes R on Windows
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Description
Summary:
Repeatedly loading / unloading rstan hard crashes R on Windows
Description:
See above.
Reproducible Steps:
library(rstan)
sessionInfo()
for (i in 1:1000)
{
cat(i, "\n")
if (i > 1) {
library(rstan)
}
detach("package:rstan", unload=T, character.only = T);
unloadNamespace("rstan")
}
Current Output:
Expected Output:
No crash.
RStan Version:
2.26.8
R Version:
R 4.1.3
Operating System:
Windows 10 64 bit
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the reported 1,000-iteration loop using library(rstan), detach(), and unloadNamespace() on Windows 10 with R 4.1.3 and rstan 2.26.8, recording sessionInfo(). The issue mentions no source file or test; done means repeated loading and unloading completes without an R crash.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- r
- Domain
- backend, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100