Error in the example "qt5_openglwindow"

[Humberto López León]

Hello Genode community,

I'm testing the port of Qt_5.1.0 in Genode 15.08. I ran the example 
"qt5_openglwindow" but a sale with black background is shown. I tried it 
on in the pbxa9 using Qemu with hw and foc.

Hw_pbxa9 serial output:
===========================================================
Genode 15.08-215-g455cef5
int main(): --- create local services ---
int main(): --- start init ---
int main(): transferred 715 MB to init
int main(): --- init created, waiting for exit condition ---
Quota exceeded! amount=12288, size=12288, consumed=12288
[init -> fb_drv] --- pl11x framebuffer driver ---
[init -> ps2_drv] Detected ExPS/2 mouse - activating scroll-wheel and 
5-button support.
[init -> ps2_drv] Using keyboard with scan code set 1 (xlate).
[init -> nitpicker] create session with args: label="wm", ram_quota=28672
[init -> nitpicker] create session with args: label="pointer", 
ram_quota=28672
[init -> nitpicker] create session with args: label="wm -> decorator", 
ram_quota=28672
[init -> openglwindow] tar archive 'qt5_fs_openglwindow.tar' local at 
f0000000, size is 503808
[init -> openglwindow] void init_libc_lock_pipe(): init_libc_lock_pipe()
[init -> openglwindow] using the pipe libc plugin
[init -> openglwindow] read_rtc: rtc not configured, returning 0
[init -> openglwindow] pid_t getpid(): getpid not implemented
[init -> nitpicker] create session with args: label="wm -> 
openglwindow", ram_quota=28672
[init -> openglwindow] fcntl(): command 4 arg 4 not supported - pipe
[init -> openglwindow] fcntl(): command 4 arg 5 not supported - pipe
[init -> openglwindow] fcntl(): command 4 arg 4 not supported - pipe
[init -> openglwindow] fcntl(): command 4 arg 5 not supported - pipe
[init -> openglwindow] read_rtc: rtc not configured, returning 0
[init -> nitpicker] create session with args: label="wm -> 
openglwindow", ram_quota=28672
[init -> openglwindow] native_probe* 
native_create_probe(EGLNativeDisplayType): not yet implemented dpy=0
[init -> openglwindow] native_probe_result 
native_get_probe_result(native_probe*): not yet implemented
[init -> openglwindow] falling back to softpipe driver
[init -> openglwindow] returned from init display->screen
[init -> openglwindow] libEGL debug: Driver API mask: 0xd
[init -> openglwindow] called, return 1 connector
no RM attachment (faulter 782128 with IP 4832c attempts to read from 
address 9)
init -> openglwindow -> openglwindow: unresolved pagefault at ip=4832c 
sp=e00feaf8 fault address=9
core -> pager_ep: cannot submit unknown signal context

=========================================================


Foc_pbxa9 serial output:
=========================================================
Genode 15.08-215-g455cef5
int main(): --- create local services ---
int main(): --- start init ---
int main(): transferred 191 MB to init
int main(): --- init created, waiting for exit condition ---
Quota exceeded! amount=24576, size=4096, consumed=24576
[init] upgrading quota donation for Env::CPU (8192 bytes)
[init -> fb_drv] --- pl11x framebuffer driver ---
[init -> ps2_drv] Detected ExPS/2 mouse - activating scroll-wheel and 
5-button support.
[init -> ps2_drv] Using keyboard with scan code set 1 (xlate).
[init -> nitpicker] create session with args: label="wm", ram_quota=28672
[init -> nitpicker] create session with args: label="pointer", 
ram_quota=28672
[init -> nitpicker] create session with args: label="wm -> decorator", 
ram_quota=28672
[init -> openglwindow] tar archive 'qt5_fs_openglwindow.tar' local at 
c0000, size is 503808
[init -> openglwindow] void init_libc_lock_pipe(): init_libc_lock_pipe()
[init -> openglwindow] using the pipe libc plugin
[init -> openglwindow] read_rtc: rtc not configured, returning 0
[init -> openglwindow] pid_t getpid(): getpid not implemented
[init -> nitpicker] create session with args: label="wm -> 
openglwindow", ram_quota=28672
[init -> openglwindow] fcntl(): command 4 arg 4 not supported - pipe
[init -> openglwindow] fcntl(): command 4 arg 5 not supported - pipe
[init -> openglwindow] fcntl(): command 4 arg 4 not supported - pipe
[init -> openglwindow] fcntl(): command 4 arg 5 not supported - pipe
[init -> openglwindow] read_rtc: rtc not configured, returning 0
[init -> nitpicker] create session with args: label="wm -> 
openglwindow", ram_quota=28672
[init -> openglwindow] native_probe* 
native_create_probe(EGLNativeDisplayType): not yet implemented dpy=0
[init -> openglwindow] native_probe_result 
native_get_probe_result(native_probe*): not yet implemented
[init -> openglwindow] falling back to softpipe driver
[init -> openglwindow] returned from init display->screen
[init -> openglwindow] libEGL debug: Driver API mask: 0xd
[init -> openglwindow] called, return 1 connector
no RM attachment (READ pf_addr=8 pf_ip=492b4 from 414000)
Genode::Signal_session_component::submit(Genode::Signal_context_capability, 
unsigned int)::<lambda(Genode::Signal_context_component*)>: invalid 
signal-context capability
Genode::Pager_entrypoint::entry()::<lambda(Genode::Pager_object*)>: 
Could not resolve pf=8 ip=492b4
===========================================================


Any idea?
Thank you!