[Okular-devel] Dt. 9th August - status

[Albert Astals Cid]

El Diumenge, 18 d'agost de 2013, a les 02:13:50, Jaydeep Solanki va escriure:
> On Sat, Aug 17, 2013 at 2:06 AM, Albert Astals Cid <aacid at kde.org> wrote:
> > El Divendres, 16 d'agost de 2013, a les 22:29:38, Jaydeep Solanki va
> > 
> > escriure:
> > > How it occurs :
> > > 
> > > 1) Open an ePub
> > > 2) As soon as it opens, hold Right arrow key, till it reaches the end of
> > > document or crashes
> > > 
> > > another way would be
> > > 
> > > 2) Hold PgUp/ PgDn key, till it reaches the end of document or crashes.
> > > 
> > > *Note:* it doesn't always crash. In fact the probability of it crashing
> > 
> > is
> > 
> > > very low, thus it gets difficult to debug.
> > 
> > Have you tried with the helgrind tool of valgrind?
> 
> yes
> 
> The only information related to us, that I got is
> http://paste.kde.org/p14eda246/
> It says nothing about QTextDocument::drawContents(..).

But it is QTextDocument related, have you traced where it crashes?

Albert

> 
> > Cheers,
> > 
> >   Albert
> >   
> > > On Tue, Aug 13, 2013 at 3:17 AM, Albert Astals Cid <aacid at kde.org>
> > 
> > wrote:
> > > > El Dissabte, 10 d'agost de 2013, a les 01:19:14, Jaydeep Solanki va
> > > > 
> > > > escriure:
> > > > > Hi,
> > > > > I have tested yesterday's patch (without lock) with about 15
> > 
> > different
> > 
> > > > > epubs, and it crashed only once. I tried the same epub that made it
> > > > > crash
> > > > > once a few more times, but it didn't crash. Thus, crash doesn't
> > 
> > depend
> > 
> > > > > on
> > > > > the epub.
> > > > > 
> > > > > I observed a few things, it crashes only when I'm scrolling the
> > 
> > pages at
> > 
> > > > > super fast speed (like pressing PgDn or right arrow key), this tells
> > > > > that
> > > > > generating pixmaps fast makes it break, so I set the performance to
> > > > 
> > > > Greedy,
> > > > 
> > > > > which makes Okular generate all the pixmaps as soon as possible, but
> > 
> > it
> > 
> > > > > never crashes there!
> > > > > 
> > > > > The error that it gave me when crash occurred was "memory
> > 
> > corrupted", so
> > 
> > > > I
> > > > 
> > > > > tried valgrind, but it didn't detect any invalid memory.
> > > > > 
> > > > > May be whenever you get time give it a try. Let's see if it crashes
> > 
> > with
> > 
> > > > > you.
> > > > 
> > > > Can you please exactly tell me what you are doing and describe the
> > 
> > crash
> > 
> > > > you
> > > > are getting?
> > > > 
> > > > Cheers,
> > > > 
> > > >   Albert
> > > >   
> > > > > Cheers,
> > > > > Jaydeep
> > > > 
> > > > _______________________________________________
> > > > Okular-devel mailing list
> > > > Okular-devel at kde.org
> > > > https://mail.kde.org/mailman/listinfo/okular-devel
> > 
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