On 2018-02-12 10:51 PM, Keith Packard wrote:
> Tracks changes to the non-desktop property so that when non-zero,
> outputs will always appear to be disconnected.
> 
> Signed-off-by: Keith Packard <[email protected]>
> Reviewed-by: Adam Jackson <[email protected]>

This crashes on startup with a GPU screen, see below.
pScreen->current_master == NULL.


Thread 1 "X" received signal SIGSEGV, Segmentation fault.
RRTellChanged (pScreen=<optimized out>) at ../../randr/randr.c:576
576             mastersp = rrGetScrPriv(master);
(gdb) bt
#0  RRTellChanged (pScreen=<optimized out>) at ../../randr/randr.c:576
#1  0x000055555566f1e9 in RRNoticePropertyChange (value=0x555555bfbf28, 
property=70, output=0x555555bfef10) at ../../randr/rrproperty.c:153
#2  RRChangeOutputProperty (output=output@entry=0x555555bfef10, 
property=<optimized out>, type=type@entry=19, format=format@entry=32, 
mode=<optimized out>, mode@entry=0, len=len@entry=1, value=0x7fffffffe77c, 
sendevent=1, pending=0)
    at ../../randr/rrproperty.c:263
#3  0x000055555566dba5 in RROutputSetNonDesktop 
(output=output@entry=0x555555bfef10, nonDesktop=nonDesktop@entry=0) at 
../../randr/rroutput.c:333
#4  0x000055555566dd7d in RROutputCreate (pScreen=pScreen@entry=0x5555559efb10, 
name=name@entry=0x555555bc0a08 "DisplayPort-2-0", nameLength=15, 
devPrivate=devPrivate@entry=0x555555bc0940) at ../../randr/rroutput.c:122
#5  0x000055555562d5aa in xf86RandR12CreateObjects12 (pScreen=0x5555559efb10) 
at ../../../../hw/xfree86/modes/xf86RandR12.c:1734
#6  xf86RandR12Init12 (pScreen=0x5555559efb10) at 
../../../../hw/xfree86/modes/xf86RandR12.c:2247
#7  xf86RandR12Init (pScreen=pScreen@entry=0x5555559efb10) at 
../../../../hw/xfree86/modes/xf86RandR12.c:895
#8  0x00005555556200bc in xf86CrtcScreenInit 
(screen=screen@entry=0x5555559efb10) at 
../../../../hw/xfree86/modes/xf86Crtc.c:774
#9  0x00007ffff0deaa6c in RADEONScreenInit_KMS (pScreen=0x5555559efb10, 
argc=<optimized out>, argv=<optimized out>) at ../../src/radeon_kms.c:2438
#10 0x00005555555aced5 in AddGPUScreen (pfnInit=pfnInit@entry=0x5555555edc40 
<xf86ScreenInit>, argc=argc@entry=4, argv=argv@entry=0x7fffffffeb08) at 
../../dix/dispatch.c:3966
#11 0x00005555555ef8b7 in InitOutput 
(pScreenInfo=pScreenInfo@entry=0x5555559b1f60 <screenInfo>, argc=argc@entry=4, 
argv=argv@entry=0x7fffffffeb08) at ../../../../hw/xfree86/common/xf86Init.c:763
#12 0x00005555555b0f38 in dix_main (argc=4, argv=0x7fffffffeb08, 
envp=<optimized out>) at ../../dix/main.c:193
#13 0x00007ffff58a3f2a in __libc_start_main (main=0x55555559a3f0 <main>, 
argc=4, argv=0x7fffffffeb08, init=<optimized out>, fini=<optimized out>, 
rtld_fini=<optimized out>, stack_end=0x7fffffffeaf8) at ../csu/libc-start.c:310
#14 0x000055555559a42a in _start ()


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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