kicad-developers team mailing list archive

[Ian McInerney <Ian.S.McInerney@xxxxxxxx>]

If this needs to stay configurable, it would probably be better as an
option in the config panel rather than at build-time. Otherwise, we would
have to maintain a version of the binaries with/without the added
characters and it might start to confuse users.

-Ian

On Mon, Oct 7, 2019 at 9:01 PM jp charras <jp.charras@xxxxxxxxxx> wrote:

> Le 07/10/2019 à 20:07, Seth Hillbrand a écrit :
> > Hi JP-
> >
> >
> > I noticed that you added an option to disable the CJK ideographs
> > in 34b26a0ac because you were seeing out of memory issues under OpenGL.
> > The stroke fonts should only be loading on the system heap (4.5MB for
> > the current CJK set), so if it's leaking into the video memory, I'd like
> > to address that.
> >
> >
> > Can you provide additional information about the symptoms you are seeing
> > and I can see about fixing this?
> >
> >
> > Thanks!
> >
> > Seth
> >
>
> First, note I am using a Windows 32 bits (4Gb of managed memory)
> I did not yet tested it on my Linux install (a 64 bits version + 8Gb
> memory)
>
> Debugging this kind of issue is not easy on Windows, due to the poor
> performances of gdb under msys.
>
> The crash happens most of time when opening (using opengl) eeschema +
> board editor + the footprint viewer (or the footprint editor) and does
> not depend on the loaded project (a empty project crashes).
>
> It never happens with the previous font (no CJK ideographs)
>
> It happens not always at the same point so if a error message is
> displayed (it happens sometimes), it is not always the same.
>
> I tried to see what happens under gdb.
>
> I am sure I had a out of memory on a malloc call and a crash at:
> noncached_container.cpp, line 41
>
> I also am pretty sure I had a out of memory on a malloc in
> cached_container_ram.cpp in CACHED_CONTAINER_RAM ctor.
>
> I am thinking, but I am not sure, I saw also a leaking into the video
> memory, but most of crashes look like this is a main memory leak.
>
> The stroke fonts data is loaded on the system heap, but I am thinking it
> generate *much more* memory allocation (hundred of Mb allocated) to be
> drawn by the opengl engine.
>
> (I do not have issues if Eeschema uses the Cairo engine)
>
> I'll try to make more tests and try to provide additional information,
> and see the memory allocation difference between CJK and non CJK fonts.
>
> Thanks.
>
> >
> >
> >
> >
> > Seth Hillbrand
> >
> > Chief Technologist
> >
> > KiCad Services Corporation
> >
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> >
> >
> >
> >       +1 530 302 5483 <tel:+15303025483> | +1 212 603 9372
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> >
> >       www.kipro-pcb.com <https://www.kipro-pcb.com/>
> >       Davis, CA
>
>
> --
> Jean-Pierre CHARRAS
>
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