Hi John! On Thu, Jan 17, 2019 at 08:13:55AM -0500, John David Anglin wrote: > The bug is in this mesa code: > > dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp, > struct wl_resource *buffer_resource, > EGLint attribute, EGLint *value) > > The segmentation fault occurs because dri2_dpy is NULL. The sequence > point in argument > evaluation requires evaluation of dri2_dpy->wl_server_drm before the > resource NULL pointer > check in wayland_drm_buffer_get. > > With this fixed, qtwayland-opensource-src build is successful: > https://buildd.debian.org/status/fetch.php?pkg=qtwayland-opensource-src&arch=hppa&ver=5.11.3-2&stamp=1547696629&raw=0 Do you understand correctly that there is nothing to fix in qtwayland then? Have you already filed a bug against mesa? -- Dmitry Shachnev
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