Hi! On Thu, 9 Dec 2010 11:42:20 -0800, David Emerson <dle...@angelbase.com> wrote: > I'm encountering a consistent crash, and I'm not sure how to address the
> problem. > > using: > - laz 0.9.28.2-8 beta, svn 22277, from debian testing -- a rather outdated > one, > because at this point upgrading lazarus requires updating debian > - fpc 2.4.0-2 [2010/02/20] for i386 > - fpgui commit e01c52a650bfdcce0bb1c8bbceefeb4e8dd46764 > > The lazarus popup error message says: > > Project Swindow raised exception class 'External: SIGSEGV'. > > The top of the lazarus call stack shows: > > #0 :00000000 ?? at :0 > #1 :08058BC2 SYSTEM_TOBJECT_$__FREE at :0 > > #2 is my own call: if assigned (f_image) then f_image.free; > > I broke up the line, and it's crashing on the "then f_image.free" part, > rather > than on the "if assigned(f_image)" part. > > Any ideas? Have you initialized f_image? If not, do f_image := nil; and the error will be gone. (Assigned need this to check if the object exists) You could also use if assigned (f_image) then FreeAndNil(f_image); Hope this works! Matthias Klumpp _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal