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Gentoo's Bugzilla – Attachment 522424 Details for
Bug 649392
x11-base/xorg-server-1.19.99.901 segmentation fault at startup near RRTellChanged()
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[patch]
xorg-server-1.19.99.901-gpu-screens-init.patch
xorg-server-1.19.99.901-gpu-screens-init.patch (text/plain), 1.72 KB, created by
Peter Levine
on 2018-03-05 05:57:53 UTC
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Description:
xorg-server-1.19.99.901-gpu-screens-init.patch
Filename:
MIME Type:
Creator:
Peter Levine
Created:
2018-03-05 05:57:53 UTC
Size:
1.72 KB
patch
obsolete
>From 2af0a50a4bb9be9f58681d417ceb9a7029caaf3b Mon Sep 17 00:00:00 2001 >From: Adam Jackson <ajax@redhat.com> >Date: Wed, 28 Feb 2018 11:23:41 -0500 >Subject: randr: Fix a crash on initialization with GPU screens >MIME-Version: 1.0 >Content-Type: text/plain; charset=UTF-8 >Content-Transfer-Encoding: 8bit > >RRSetChanged (immediately above) was immune to screens with no master, >but RRTellChanged was not: > > 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 > ... > >Reported-by: Michel Dänzer <michel@daenzer.net> >Signed-off-by: Adam Jackson <ajax@redhat.com> >--- > randr/randr.c | 2 ++ > 1 file changed, 2 insertions(+) > >diff --git a/randr/randr.c b/randr/randr.c >index 339ad3e..feb54bc 100644 >--- a/randr/randr.c >+++ b/randr/randr.c >@@ -602,6 +602,8 @@ RRTellChanged(ScreenPtr pScreen) > > if (pScreen->isGPU) { > master = pScreen->current_master; >+ if (!master) >+ return; > mastersp = rrGetScrPriv(master); > } > else { >-- >cgit v1.1 >
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