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Je suis en train d'exécuter le hellogl_es2 exemple Qt sans X Server en spécifiant la plate-forme eglfs:Segmentation fault sur i.MX6 lors de l'exécution avec l'application QT5 eglfs -platform
> ./hellogl_es2 -platform eglfs
No protocol specified
Segmentation fault (core dumped)
CPU est Freescale i.MX6.
Le noyau Linux est 3.10.17.
La distribution est Ubuntu 14.04.4 LTS (fidèle).
Qt version est 5.2.1, installé à partir http://packages.ubuntu.com, l'architecture armhf, paquets qtbase5-dev, qtbase5-examples, qtbase5-examples-dbg.
Le vidage de la mémoire est (problème à gcoOS_InitLocalDisplayInfo dans libGAL.so):
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
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Reading symbols from hellogl_es2...Reading symbols from /usr/lib/debug/.build-id/6f/8a8dfdb5abe920e37000a98092b4058b56da0a.debug...done.
done.
[New LWP 2802]
[New LWP 2803]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
Core was generated by `./hellogl_es2 -platform eglfs'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0xb5dd0c84 in gcoOS_InitLocalDisplayInfo() from /usr/lib/arm-linux-gnueabihf/vivante/libGAL.so
(gdb) bt
#0 0xb5dd0c84 in gcoOS_InitLocalDisplayInfo() from /usr/lib/arm-linux-gnueabihf/vivante/libGAL.so
#1 0xb5d095f8 in ??() from /usr/lib/arm-linux-gnueabihf/libEGL.so.1
/build/buildd/gdb-7.7.1/gdb/frame.c:472: internal-error: get_frame_id: Assertion `fi->this_id.p' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
le comportement est le même avec d'autres projets d'exemples Qt. Lorsque le serveur X est en cours d'exécution, la spécification de la plate-forme xcb (-platform xcb, c'est-à-dire la valeur par défaut) fonctionne correctement.