> Am 22.07.2019 um 18:10 schrieb <aran.clau...@wwu.edu> <aran.clau...@wwu.edu>:
>
> All,
>
> I have encountered an error in libavdevice/xcbgrab.c that prevents NetBSD from
> using X11grab. When xcbgrab_frame_shm calls allocate_shm, it creates a
> private
> shared memory region, attaches to that memory, sends the id to the server, but
> then removes the shared memory ID. On NetBSD with xorg, this causes the
> subsequent call to xcb_shm_get_image to fail with BadShmSeg. The fix is to
> keep
> the ID valid until the memory is know to be shared, after the call to
> xcb_shm_get_image_reply. The following patch fixes the issue on my system.
> It
> is untested on others.
>
> My guess is that Linux keeps the ID around until all attached processes
> terminate.
Please create your patch with “git format-patch”, we cannot read other patches.
Thank you, Carl Eugen
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