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March 2022

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Loading slime 2.27 going into debugger as of last night.
by Jeff Cunningham 29 Mar '22

29 Mar '22

I asked this question over on sbcl-help already. Stas objected. So I'll ask it again here. Last night I started running into the debugger when trying to start slime in emacs. This morning I decided to delete all my .slime/ fasls, all of .cache/common-lisp/ all of ~/quicklisp and start with a fresh copy of quicklisp.lisp. I updated my arch system (slightly newer version of emacs) then tried to reinstall quicklisp. The problem occurs upstream of emacs ever being started. I can reproduce the problem with these steps: $ rm -rf .slime .cache/common-lisp/* quicklisp $ curl -O https://beta.quicklisp.org/quicklisp.lisp $ sbcl --load quicklisp.lisp * (quicklisp-quickstart:install) * (ql:quickload "quicklisp-slime-helper") To load "quicklisp-slime-helper": Load 1 ASDF system: asdf Install 3 Quicklisp releases: alexandria quicklisp-slime-helper slime ; Fetching #<URL "http://beta.quicklisp.org/archive/slime/2022-02-20/slime-v2.27.tgz"> ; 803.72KB ================================================== 823,006 bytes in 0.09 seconds (9273.62KB/sec) ; Fetching #<URL "http://beta.quicklisp.org/archive/alexandria/2022-02-20/alexandria-20220220…"> ; 55.16KB ================================================== 56,486 bytes in 0.01 seconds (5516.21KB/sec) ; Fetching #<URL "http://beta.quicklisp.org/archive/quicklisp-slime-helper/2015-07-09/quickli…"> ; 2.16KB ================================================== 2,211 bytes in 0.00 seconds (0.00KB/sec) ; Loading "quicklisp-slime-helper" [package swank-loader]............................ [package swank/backend]........................... [package swank/rpc]............................... [package swank/match]............................. [package swank-mop]............................... [package swank]................................... [package swank/source-path-parser]................ [package swank/source-file-cache]................. [package swank/sbcl].............................. [package swank/gray].............................. ........ ; compiling file "/home/jcunningham/quicklisp/dists/quicklisp/software/slime-v2.27/contrib/swank-util.lisp" (written 24 MAR 2022 12:08:30 PM): . ; wrote /home/jcunningham/.slime/fasl/2.27/sbcl-2.2.2-linux-x86-64/contrib/swank-util.fasl ; compilation finished in 0:00:00.010 ; compiling file "/home/jcunningham/quicklisp/dists/quicklisp/software/slime-v2.27/contrib/swank-repl.lisp" (written 24 MAR 2022 12:08:30 PM): ......................................... [package swank-repl].. ; wrote /home/jcunningham/.slime/fasl/2.27/sbcl-2.2.2-linux-x86-64/contrib/swank-repl.fasl ; compilation finished in 0:00:00.040 ; compiling file "/home/jcunningham/quicklisp/dists/quicklisp/software/slime-v2.27/contrib/swank-c-p-c.lisp" (written 24 MAR 2022 12:08:30 PM): . ; wrote /home/jcunningham/.slime/fasl/2.27/sbcl-2.2.2-linux-x86-64/contrib/swank-c-p-c.fasl ; compilation finished in 0:00:00.030 ; compiling file "/home/jcunningham/quicklisp/dists/quicklisp/software/slime-v2.27/contrib/swank-arglists.lisp" (written 24 MAR 2022 12:08:30 PM): ................ ; wrote /home/jcunningham/.slime/fasl/2.27/sbcl-2.2.2-linux-x86-64/contrib/swank-arglists.fasl ; compilation finished in 0:00:00.360 ; compiling file "/home/jcunningham/quicklisp/dists/quicklisp/software/slime-v2.27/contrib/swank-fuzzy.lisp" (written 24 MAR 2022 12:08:30 PM): ... ; wrote /home/jcunningham/.slime/fasl/2.27/sbcl-2.2.2-linux-x86-64/contrib/swank-fuzzy.fasl ; compilation finished in 0:00:00.080 ; compiling file "/home/jcunningham/quicklisp/dists/quicklisp/software/slime-v2.27/contrib/swank-fancy-inspector.lisp" (written 24 MAR 2022 12:08:30 PM): ........ . ; wrote /home/jcunningham/.slime/fasl/2.27/sbcl-2.2.2-linux-x86-64/contrib/swank-fancy-inspector.fasl ; compilation finished in 0:00:00.163 ; compiling file "/home/jcunningham/quicklisp/dists/quicklisp/software/slime-v2.27/contrib/swank-presentations.lisp" (written 24 MAR 2022 12:08:30 PM): ;; ;; Error compiling /home/jcunningham/quicklisp/dists/quicklisp/software/slime-v2.27/contrib/swank-presentations.lisp: ;; SWANK-REPL also exports the following symbols: ;; (SWANK-REPL:CREATE-REPL SWANK-REPL:LISTENER-GET-VALUE ;; SWANK-REPL:CLEAR-REPL-VARIABLES SWANK-REPL:LISTENER-SAVE-VALUE ;; SWANK-REPL:LISTENER-EVAL SWANK-REPL:REDIRECT-TRACE-OUTPUT) ;; See also: ;; The ANSI Standard, Macro DEFPACKAGE ;; debugger invoked on a SB-INT:PACKAGE-AT-VARIANCE-ERROR in thread #<THREAD "main thread" RUNNING {10019B0073}>: SWANK-REPL also exports the following symbols: (SWANK-REPL:CREATE-REPL SWANK-REPL:LISTENER-GET-VALUE SWANK-REPL:CLEAR-REPL-VARIABLES SWANK-REPL:LISTENER-SAVE-VALUE SWANK-REPL:LISTENER-EVAL SWANK-REPL:REDIRECT-TRACE-OUTPUT) See also: The ANSI Standard, Macro DEFPACKAGE Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL. restarts (invokable by number or by possibly-abbreviated name): 0: [DROP-THEM ] Unexport them. 1: [KEEP-THEM ] Keep exporting them. 2: [TRY-RECOMPILING ] Recompile swank-loader and try loading it again 3: [RETRY ] Retry loading FASL for #<SWANK-LOADER-FILE "swank" "swank-loader">. 4: [ACCEPT ] Continue, treating loading FASL for #<SWANK-LOADER-FILE "swank" "swank-loader"> as having been successful. 5: Retry ASDF operation. 6: [CLEAR-CONFIGURATION-AND-RETRY] Retry ASDF operation after resetting the configuration. 7: Retry ASDF operation. 8: Retry ASDF operation after resetting the configuration. 9: [ABORT ] Give up on "quicklisp-slime-helper" 10: [REGISTER-LOCAL-PROJECTS ] Register local projects and try again. 11: Exit debugger, returning to top level. (SB-IMPL::NOTE-PACKAGE-VARIANCE :FORMAT-CONTROL "~A also exports the following symbols:~% ~S" :FORMAT-ARGUMENTS ("SWANK-REPL" (SWANK-REPL:CREATE-REPL SWANK-REPL:LISTENER-GET-VALUE SWANK-REPL:CLEAR-REPL-VARIABLES SWANK-REPL:LISTENER-SAVE-VALUE SWANK-REPL:LISTENER-EVAL SWANK-REPL:REDIRECT-TRACE-OUTPUT)) :PACKAGE #<PACKAGE "SWANK-REPL">) 0] Neither locate nor find show any signs of any other copy of swank or slime on this system. The only thing in my .sbclrc is this: ;;; The following lines added by ql:add-to-init-file: ;;#-quicklisp (let ((quicklisp-init (merge-pathnames "quicklisp/setup.lisp" (user-homedir-pathname)))) (when (probe-file quicklisp-init) (load quicklisp-init))) ;;; Added this to test reading bad char streams (setf sb-impl::*default-external-format* :utf-8) ;;; Added this so I can change the names of package symbols and get ;;; prompted about whether or not I want to drop them: (setf sb-ext:*on-package-variance* '(:error t)) I'm running out of ideas. Does anyone have any? Thanks. --Jeff

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