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panic: POPSTACK with perl5.00560 and Tk800.015/demos/widget (perl or Tk bug) #374

p5pRT opened this issue Aug 12, 1999 · 1 comment


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p5pRT commented Aug 12, 1999

Migrated from (status was 'resolved')

Searchable as RT1209$

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p5pRT commented Aug 12, 1999


I just installed perl 5.005_60 and Tk800.015 on
Linux 2.2.10 with libc 5.4.44

when I attempt to run the demo program I get the following error,
and I'm wondering if anyone else has seen this.

/usr/local/bin/perl5.00560 Tk800.015/demos/widget
panic​: POPSTACK
Callback called exit.
END failed--cleanup aborted at /usr/local/lib/perl5/5.00560/ line 92.

(this happens before any windows appear,
also Tk800.015/demos/widget_old seems to work ok)

Is this a perl bug or a Tk bug?
  (running in perl -d trace mode I do see an interesting message
  buried withing the trace output)

Assertion failed​: file "pp_ctl.c", line 2430.
(oh, I compiled perl with DEBUGGING)
(I don't get the assertion failure when not running with -d,
so this may be a different problem)

I'm using Linux dd 2.2.10-ac12 #1 SMP Tue Jul 20 13​:44​:40 PDT 1999 i686
with /lib/

Perl Info

Site configuration information for perl 5.00560:

Configured by dcd at Mon Aug  9 15:29:48 PDT 1999.

Summary of my perl5 (revision 5.0 version 5 subversion 60) configuration:
    osname=linux, osvers=2.2.10-ac12, archname=i686-linux
    uname='linux dd 2.2.10-ac12 #1 smp tue jul 20 13:44:40 pdt 1999 i686 '
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=undef useperlio=undef d_sfio=undef
    use64bits=undef usemultiplicity=undef
    cc='cc', optimize='-g', gccversion=
    cppflags='-Dbool=char -DHAS_BOOL -DDEBUGGING -I/usr/local/include'
    ccflags ='-Dbool=char -DHAS_BOOL -DDEBUGGING -I/usr/local/include'
    stdchar='char', d_stdstdio=define, usevfork=false
    intsize=4, longsize=4, ptrsize=4, doublesize=8
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    alignbytes=4, usemymalloc=n, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /shlib /lib /usr/lib
    libs=-lgdbm -ldbm -ldb -ldl -lm -lc
    libc=/lib/, so=so, useshrplib=false, libperl=libperl.a
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic'
    cccdlflags='-fpic', lddlflags='-shared -L/usr/local/lib'

Locally applied patches:

@INC for perl 5.00560:

Environment for perl 5.00560:
    LANG (unset)
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PERL_BADLANG (unset)

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