Brian Mastenbrook bmastenb at cs.indiana.edu
Sun Jul 24 02:40:20 UTC 2005

On Jul 23, 2005, at 6:24 PM, Tim Johnson wrote:

> Hello:
> Using cvs ver last update july 21.
> Inferior lisp is SBCL 0.9.0
> When loading lisp file and typing M-x slime, I get the following
> (abbreviated) error message
> debugger invoked on a SB-EXT:PACKAGE-LOCKED-ERROR in thread 2427:
>   Lock on package SB-VM violated when interning THREAD-OS-THREAD-SLOT.
>   See also:
>     The SBCL Manual, Node "Package Locks"
> .....
> I'm new to lisp and slime, and relatively callow with emacs.
> I'm currently looking at
> http://www.sbcl.org/manual/Operations-Violating-Package- 
> Locks.html#Operations%20Violating%20Package%20Locks
> but given my unfamiliarity with the topic, I'm currently unsure of a
> fix.
> Any help, advice or pointers to docs is welcome.
> Thanks
> tim

Hi Tim,

I don't know if there's a document which says this, but you need to  
use CVS SLIME with recent SBCL. Using old SLIME with recent SBCL or  
recent SLIME with old SBCL is a recipe for disaster.

Brian Mastenbrook
brian at mastenbrook.net

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