Hi Benji, On Sonntag, 14. Mai 2017 00:43:20 CEST Benji Wiebe wrote: > I have been running the latest trunk of Mesa for a few days now, and > when I wanted to start up VirtualBox I got the following errors: (the > other info is from setting LIBGL_DEBUG=verbose) > > libGL: OpenDriver: trying /usr/local/lib/dri/tls/r600_dri.so > libGL: OpenDriver: trying /usr/local/lib/dri/r600_dri.so > libGL: dlopen /usr/local/lib/dri/r600_dri.so failed ((null)) > libGL error: unable to load driver: r600_dri.so > libGL error: driver pointer missing > libGL error: failed to load driver: r600 > libGL: OpenDriver: trying /usr/local/lib/dri/tls/swrast_dri.so > libGL: OpenDriver: trying /usr/local/lib/dri/swrast_dri.so > libGL: dlopen /usr/local/lib/dri/swrast_dri.so failed ((null)) > libGL error: unable to load driver: swrast_dri.so > libGL error: failed to load driver: swrast > > I've poked around in Mesa's code responsible for loading the drivers, > and finally poked around in glibc with gdb while debugging VirtualBox. > > Disclaimer: I'm somewhat clueless as to the niceties of virtualization > software development. > > It seems that VirtualBox has some sort of wrapper for dlopen() called > supR3HardenedPosixMonitor_Dlopen which in turn calls a few other > VirtualBox functions before returning back to dlopen(). Anyways > somewhere in there is where loading the driver fails. According to > strace, open() never gets called on the driver file. Also, since > dlerror() returns NULL, I'm assuming that it isn't glibc's fault, since > glibc's dlopen() returns error messages via dlerror() if dlopen() > returns NULL, i.e. dlopen() and dlerror() should NEVER both return NULL. > And in this case both do. > > So. What should I try next? Is this a VirtualBox bug? My custom Mesa is > working fine with everything else. Using strace/ltrace on the glxinfo > command shows that the driver gets loaded just fine.
please try the most recent VBox 5.1.x test builds: https://www.virtualbox.org/wiki/Testbuilds Or if you compile VBox youself, please test the patch from https://www.virtualbox.org/ticket/16693 Kind regards, Frank -- Dr.-Ing. Frank Mehnert | Software Development Director, VirtualBox ORACLE Deutschland B.V. & Co. KG | Werkstr. 24 | 71384 Weinstadt, Germany ORACLE Deutschland B.V. & Co. KG Hauptverwaltung: Riesstraße 25, D-80992 München Registergericht: Amtsgericht München, HRA 95603 Komplementärin: ORACLE Deutschland Verwaltung B.V. Hertogswetering 163/167, 3543 AS Utrecht, Niederlande Handelsregister der Handelskammer Midden-Niederlande, Nr. 30143697 Geschäftsführer: Alexander van der Ven, Jan Schultheiss, Val Maher _______________________________________________ vbox-dev mailing list [email protected] https://www.virtualbox.org/mailman/listinfo/vbox-dev
