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Xorg server may crash system
In the process of upgraging my laptop, I noticed the following quirk with the
NetBSD DRM code:
With a config that contains, e.g.,
radeondrm* at vga?
and no i915drm line, and using the xf86-video-intel driver in xorg, the lines
dev = DRIVER_SOFTC(minor(kdev));
DRM_DEBUG( "open_count = %d\n", dev->open_count );
in src/sys/dev/drm/drm_drv.c (drm_open) causes a uvm_fault as dev is NULL.
Corner case, obviously, but it bit me.
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