[slime-devel] Re: *sldb sbcl/0* infinite loop?

[Jeffrey Cunningham]

Jeffrey Cunningham wrote:
> Hi,
> 
> I have been running into a problem off and on for several weeks that 
> seems to come from an interaction between slime and SBCL resulting in an 
> infinite loop requiring me to killall sbcl to stop it. Until now I 
> haven't been able to isolate it to a simple case. Here's one:
> 
> * I start up emacs (21.4.1)
> * I start up M-x slime (2007-03-29).
> * In the slime-repl I type the bogus command 'lt' <enter>.
> 
> The speaker starts beeping and slime and emacs are utterly hung. I have 
> to kill sbcl which releases emacs to keyboard commands.
> 
> When I hit C-x b a window opens up at the bottom of emacs which shows 
> the following:
> 
> iswitch 
> {imagelib.lisp,*scratch*,*Messages*,*Compile-Log*,*slime-events*,*sldb 
> sbcl/0*,*sldb sbcl/0*<2>,*sldb sbcl/0*<3>,...
> where the number inside the braces keeps incrementing forever 
> <4>,...,<5>... etc.
> 
> I will attach a screen capture in case it isn't clear. I can't navigate 
> to that window and copy it.
> 
> The steps I've taken to isolate the problem are to update sbcl to todays 
> version (1.0.4) compiled from source (from 1.0.3 - both act the same 
> way), and to remove my .sbclrc file.
> 
> Any ideas how to debug this?
> 
> Thanks
> 
> --Jeff Cunningham
> 
> ------------------------------------------------------------------------
> 

I have a feeling the attachment may have blocked this from reaching the 
list, so I'm resending it without the image. I also managed to get into 
the *Messages* buffer and here's what I found there:

error in process filter: sldb-mode: Symbol's function definition is 
void: delay-mode-hooks
error in process filter: Symbol's function definition is void: 
delay-mode-hooks
; pipelined request... (swank:debugger-info-for-emacs 0 10)
error in process filter: sldb-mode: Symbol's function definition is 
void: delay-mode-hooks
error in process filter: Symbol's function definition is void: 
delay-mode-hooks
; pipelined request... (swank:debugger-info-for-emacs 0 10)
error in process filter: sldb-mode: Symbol's function definition is 
void: delay-mode-hooks


This repeats over and over - 51 times.

--Jeff