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Re: [Bug-apl] aplwrap assertion failures
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From: |
David B. Lamkins |
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Subject: |
Re: [Bug-apl] aplwrap assertion failures |
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Date: |
Fri, 12 Sep 2014 14:11:29 -0700 |
Cool. Thanks for the report.
I rarely invoke aplwrap from a shell window (I usually use GNOME's
Alt-F2 launcher), so I tend to miss chatter sent to the terminal.
On Fri, 2014-09-12 at 15:18 -0500, Blake McBride wrote:
> Works for me now without errors. Thanks to all!!
>
> On Fri, Sep 12, 2014 at 2:30 PM, Chris Moller <address@hidden>
> wrote:
> I just applied and pushed David's patch, the question
> remaining why it showed up only in some environments and not
> others.
>
>
> On 09/12/14 15:04, David B. Lamkins wrote:
>
> > I believe I've found the cause of this problem.
> >
> > There's something special (I don't know what) about the exit
> behavior of
> > GTK+ in the case that there's something on the application's
> clipboard.
> > With nothing on the clipboard, application exit was fine. With
> something
> > on the clipboard, aplwrap's apl_exit() was called twice (?) which
> caused
> > a double-free of plot_pipe_name; that was almost certainly
> responsible
> > for the heap corruption I saw.
> >
> > Also, it looked as if the GtkTextBuffer and associated objects got
> torn
> > down while APL was still alive; this was responsible for a lot of
> GTK+
> > assertion failures in my tests.
> >
> > Both of these issues are fixed. I'll send Chris the patch.
> >
> >
> > On Fri, 2014-09-12 at 12:55 -0400, Chris Moller wrote:
> > > Can you run it under valgrind? That should find memory problems.
> > >
> > >
> > > On 09/12/14 12:51, David B. Lamkins wrote:
> > >
> > > > FWIW: commenting out the gtk_text_view_scroll_to_mark() call in
> > > > scroll_to_cursor() does not affect the crash that I'm seeing
> (which is
> > > > different in its details from the crash that Blake reported). I
> still
> > > > get a memory corruption report, though...
> > > >
> > > > On Fri, 2014-09-12 at 09:46 -0700, David B. Lamkins wrote:
> > > > > I reached similar conclusions. It seems that copy/paste
> tickles this
> > > > > bug.
> > > > >
> > > > > Copy, then paste, then evaluate, then click the close box:
> this is
> > > > > enough to give me GTK+ errors and even stack dumps.
> > > > >
> > > > > These are probably the important clues:
> > > > >
> > > > > GLib-GObject-WARNING **: invalid unclassed pointer in cast to
> > > > > 'GtkTextView'
> > > > > (aplwrap:29325): Gtk-CRITICAL **:
> gtk_text_view_scroll_to_mark:
> > > > > assertion 'GTK_IS_TEXT_VIEW (text_view)' failed
> > > > >
> > > > > gtk_text_view_scroll_to_mark() appears (in aplwrap code) only
> in
> > > > > scroll_to_cursor(). Is the cast in that function incorrect?
> > > > >
> > > > > On Fri, 2014-09-12 at 10:47 -0500, Blake McBride wrote:
> > > > > > Here are the steps that reproduce the problem:
> > > > > >
> > > > > >
> > > > > > 1. Execute aplwrap
> > > > > >
> > > > > >
> > > > > > 2. Type the following:
> > > > > >
> > > > > >
> > > > > > ∇test
> > > > > > [1] abc
> > > > > > [2]
> > > > > >
> > > > > >
> > > > > > 3. Highlight and COPY (^C) the 'abc'
> > > > > >
> > > > > >
> > > > > > 4. Click on the end of the [2] line
> > > > > >
> > > > > >
> > > > > > 5. PASTE (^V) the 'abc' (has no quotes)
> > > > > >
> > > > > >
> > > > > > 6. Hit the backspace key 3 times
> > > > > >
> > > > > >
> > > > > > 7. Hit the X in the upper corner to force aplwrap to exit.
> This
> > > > > > causes the error.
> > > > > >
> > > > > >
> > > > > > Does this give you errors too?
> > > > > >
> > > > > >
> > > > > > Thanks.
> > > > > >
> > > > > >
> > > > > > Blake
> > > > > >
> > > > > >
> > > > > >
> > > > > > On Fri, Sep 12, 2014 at 9:05 AM, Chris Moller
> <address@hidden>
> > > > > > wrote:
> > > > > >
> > > > > > On 09/12/14 09:58, Blake McBride wrote:
> > > > > >
> > > > > > > I am using vanilla LinuxMint 16. GTK comes with
> it.
> > > > > > > Upgrading to test is sort of a big job that
> messes up
> > > > > > > auto-update. Let me see if I can get an exact
> sequence to
> > > > > > > duplicate the problem instead. Is that okay?
> > > > > >
> > > > > > Sure. And I might have a spare machine I can
> install 3.8.7 on
> > > > > > just to see what happens.
> > > > > >
> > > > > > >
> > > > > > > On Fri, Sep 12, 2014 at 8:49 AM, Chris Moller
> > > > > > > <address@hidden> wrote:
> > > > > > > Can you try putting in a newer version?
> 3.8.7 is
> > > > > > > from November of last year. They've done
> a lot of
> > > > > > > bug-fixing since then and it would be
> good to know
> > > > > > > if the bug is on my end or in GTK.
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > On 09/12/14 09:40, Blake McBride wrote:
> > > > > > >
> > > > > > > > Looks like I am running 3.8.7
> > > > > > > >
> > > > > > > > On Fri, Sep 12, 2014 at 8:25 AM, Chris
> Moller
> > > > > > > > <address@hidden> wrote:
> > > > > > > > What version of GTK are you
> using? I'm
> > > > > > > > running 3.10.9 though in
> configure.ac I'm
> > > > > > > > only checking for versions >=
> 3.0.12.
> > > > > > > > There may be some
> incompatibility.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > On 09/12/14 08:39, Blake
> McBride wrote:
> > > > > > > >
> > > > > > > > > Greetings,
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > I was in the middle of
> editing a
> > > > > > > > > function using the regular
> del-editor, I
> > > > > > > > > copied and pasted a line, I
> then exited
> > > > > > > > > aplwrap by clicking on the x
> in the
> > > > > > > > > upper left hand corner of the
> screen
> > > > > > > > > without closing the function
> I was
> > > > > > > > > editing. Aplwrap gave me:
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > (aplwrap:29325): Gtk-CRITICAL
> **:
> > > > > > > > > gtk_main_quit: assertion
> 'main_loops !=
> > > > > > > > > NULL' failed
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > (aplwrap:29325):
> GLib-GObject-WARNING
> > > > > > > > > **: invalid unclassed pointer
> in cast to
> > > > > > > > > 'GtkTextView'
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > (aplwrap:29325): Gtk-CRITICAL
> **:
> > > > > > > > > gtk_text_view_scroll_to_mark:
> assertion
> > > > > > > > > 'GTK_IS_TEXT_VIEW
> (text_view)' failed
> > > > > > > > > *** Error in `aplwrap':
> malloc():
> > > > > > > > > smallbin double linked list
> corrupted:
> > > > > > > > > 0x0000000001f88cc0 ***
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > Thanks.
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > Blake
> > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > >
> >
> >
>
>
>
>
- Re: [Bug-apl] aplwrap assertion failures, (continued)
- Re: [Bug-apl] aplwrap assertion failures, David B. Lamkins, 2014/09/12
- Re: [Bug-apl] aplwrap assertion failures, David B. Lamkins, 2014/09/12
- Re: [Bug-apl] aplwrap assertion failures, Chris Moller, 2014/09/12
- Re: [Bug-apl] aplwrap assertion failures, David B. Lamkins, 2014/09/12
- Re: [Bug-apl] aplwrap assertion failures, David B. Lamkins, 2014/09/12
- Re: [Bug-apl] aplwrap assertion failures, Blake McBride, 2014/09/12
- Re: [Bug-apl] aplwrap assertion failures, Chris Moller, 2014/09/12
- Re: [Bug-apl] aplwrap assertion failures, Blake McBride, 2014/09/12
- Re: [Bug-apl] aplwrap assertion failures,
David B. Lamkins <=
- Re: [Bug-apl] aplwrap assertion failures, David B. Lamkins, 2014/09/12