Could not initialize EGL display in BeagleBone Black

root@beaglebone:~# qtlauncher 
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
failed to load module: /usr/lib/gbm/gbm_dri.so: cannot open shared object file: No such file or directory
failed to load module: /usr/lib/gbm/gbm_gallium_drm.so: cannot open shared object file: No such file or directory
loaded module : gbm_pvr.so
found valid GBM backend : gbm_pvr.so
PVR:(Error): OpenServices: PVRDRMOpenRender failed [0, ]
PVR:(Error): PVRSRVConnect: Unable to open connection. [0, ]
PVR:(Error): Couldn't connect to services [0, ]
Could not initialize egl display
Aborted (core dumped)

root@beaglebone:~# pvrsrvctl --start
Failed to load /lib/modules/4.9.10-02244-g687f71a/extra/pvrsrvkm.ko: No such file or directory
root@beaglebone:~# uname -r
4.9.13-g179d9df2f5
root@beaglebone:~# ls -l /lib/modules/4.9.13-g179d9df2f5/extra/
total 352
-rw-r--r-- 1 root root 12716 Jan 1 1970 bc_example.ko
-rw-r--r-- 1 root root 340324 Jan 1 1970 pvrsrvkm.ko
root@beaglebone:~# modprobe pvrsrvkm
root@beaglebone:~# lsmod | grep pvr
pvrsrvkm 403296 0
root@beaglebone:~# pvrsrvctl --start --no-module
PVR:(Error): OpenServices: PVRDRMOpenRender failed [0, ]
PVR:(Error): PVRSRVInitSrvConnect: PVRSRVConnect failed [0, ]
PVR:(Error): SrvInit: PVRSRVInitSrvConnect failed (4) [0, ]
pvrsrvctl: SrvInit failed (already initialized?) (err=PVRSRV_ERROR_INIT_FAILURE)