# Racket v9.3 reports "invalid memory reference" on Linux Mint 22.1

**URL:** <https://racket.discourse.group/t/racket-v9-3-reports-invalid-memory-reference-on-linux-mint-22-1/4406>\
**Category:** General\
**Created:** [October 1, 2026, 2:08am UTC](https://racket.discourse.group/t/racket-v9-3-reports-invalid-memory-reference-on-linux-mint-22-1/4406 "2026-10-01T02:08:03Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Greg\_Davidson](https://avatars.discourse-cdn.com/v4/letter/g/5f8ce5/32.png) [@Greg\_Davidson](https://racket.discourse.group/u/Greg_Davidson)\
**Post date:** [October 1, 2026, 2:08am UTC](https://racket.discourse.group/t/racket-v9-3-reports-invalid-memory-reference-on-linux-mint-22-1/4406/1 "2026-10-01T02:08:03Z")

</div>

Racket 9.3 seems to run correctly but it first gives a scary error which the developers / packagers might want to know about:

> $ racket  
> Welcome to Racket v9.3 [cs].  
> invalid memory reference. Some debugging context lost [,bt for context]
> 
> > ,bt  
> > invalid memory reference. Some debugging context lost  
> > context...:  
> > body of "/usr/local/SW/racket/share/pkgs/readline-lib/readline/pread.rkt"  
> > body of "/usr/local/SW/racket/share/pkgs/readline-lib/readline/rep.rkt"  
> > body of top-level  
> > /usr/local/SW/racket/share/pkgs/xrepl-lib/xrepl/xrepl.rkt:1573:0  
> > body of "/usr/local/SW/racket/collects/racket/interactive.rkt"

This was a fresh install on my Linux Mint system:

> $ arch  
> x86\_64  
> $ cat /etc/os-release  
> NAME="Linux Mint"  
> VERSION="22.1 (Xia)"  
> ID=linuxmint  
> ID\_LIKE="ubuntu debian"  
> PRETTY\_NAME="Linux Mint 22.1"  
> VERSION\_ID="22.1"  
> HOME\_URL="[https://www.linuxmint.com/](https://www.linuxmint.com/)"  
> SUPPORT\_URL="[https://forums.linuxmint.com/](https://forums.linuxmint.com/)"  
> BUG\_REPORT\_URL="[Linux Mint Troubleshooting Guide — Linux Mint Troubleshooting Guide documentation](http://linuxmint-troubleshooting-guide.readthedocs.io/en/latest/)"  
> PRIVACY\_POLICY\_URL="[https://www.linuxmint.com/](https://www.linuxmint.com/)"  
> VERSION\_CODENAME=xia  
> UBUNTU\_CODENAME=noble  
> system.