Re: [meta-fsl-arm] QT4 on i.MX6?

[Mario Domenech Goulart <mario@ossystems.com.br>]

Hi,

On Tue, 14 Jan 2014 10:24:18 -0200 Otavio Salvador <otavio@ossystems.com.br> wrote:

> On Mon, Jan 13, 2014 at 1:49 PM, Gary Thomas <gary@mlbassoc.com> wrote:
>
>     When I try to run QT4 (embedded) on my i.MX6 platforms, they
>     all crash during initialization.
>     
>     root@sabrelite:~# gdb qtdemoE
>     GNU gdb (GDB) 7.6.1
>     Copyright (C) 2013 Free Software Foundation, Inc.
>     License GPLv3+: GNU GPL version 3 or later
>     <http://gnu.org/licenses/gpl.html>
>     This is free software: you are free to change and redistribute it.
>     There is NO WARRANTY, to the extent permitted by law. Type "show
>     copying"
>     and "show warranty" for details.
>     This GDB was configured as "arm-amltd-linux-gnueabi".
>     For bug reporting instructions, please see:
>     <http://www.gnu.org/software/gdb/bugs/>...
>     Reading symbols from /usr/bin/qtdemoE...(no debugging symbols
>     found)...done.
>     (gdb) r -qws
>     Starting program: /usr/bin/qtdemoE -qws
>     Program received signal SIGSEGV, Segmentation fault.
>     gcoOS_InitLocalDisplayInfo (Display=0x0,
>     localDisplay=localDisplay@entry=0x34bc8504) at
>     gc_hal_user_dri.c:3919
>     (gdb) bt
>     #0 gcoOS_InitLocalDisplayInfo (Display=0x0,
>     localDisplay=localDisplay@entry=0x34bc8504) at
>     gc_hal_user_dri.c:3919
>     #1 0x2c46905c in veglInitLocalDisplayInfo
>     (Display=Display@entry=0x34bc84f8)
>     at gc_egl_platform.c:336
>     #2 0x2c463240 in veglReferenceDisplay
>     (Thread=Thread@entry=0x5ddf0,
>     Display=Display@entry=0x34bc84f8) at gc_egl_init.c:969
>     #3 0x2c4635f8 in eglInitialize (Dpy=0x34bc84f8, major=0x0,
>     minor=0x0)
>     at gc_egl_init.c:1185
>     #4 0x2b5da3b0 in QEgl::display() () from /usr/lib/libQtGuiE.so.4
>     #5 0x2b5dbbe4 in QEgl::chooseConfig(QEglProperties const*,
>     QEgl::PixelFormatMatch) () from /usr/lib/libQtGuiE.so.4
>     #6 0x2b5dc4d8 in QEglContext::chooseConfig(QEglProperties const&,
>     QEgl::PixelFormatMatch) () from /usr/lib/libQtGuiE.4
>     #7 0x2aeb04d4 in QGLContext::chooseContext(QGLContext const*) ()
>     from /usr/lib/libQtOpenGLE.so.4
>     #8 0x2ae73ee4 in QGLContext::create(QGLContext const*) ()
>     from /usr/lib/libQtOpenGLE.so.4
>     #9 0x2aeb01c4 in QGLWidget::setContext(QGLContext*, QGLContext
>     const*, bool)
>     () from /usr/lib/libQtOpenGLE.so.4
>     #10 0x2ae74290 in ?? () from /usr/lib/libQtOpenGLE.so.4
>     
>     
>     Has anyone else tried this on i.MX6 (and got it to work)?
>
> Mario (added in Cc) has got same error in one of our customers BSP, he
> is investigating the issue.
>
> Mario, it seems the error is because it is using the X11 backend. So
> please rebuild using:
>
> DISTRO_FEATURES_remove = "x11 wayland"
>
> and retest.

Thanks for the hint.  That seems to work here.  I can get "qtdemoE -qws"
running without segfault at startup.

Best wishes.
Mario
-- 
http://www.ossystems.com.br