So, I can see where this crashed:
else {
master = pScreen;
mastersp = pScrPriv; /* 0x0 */
}
if (pScrPriv->changed) {
UpdateCurrentTimeIf();
if (mastersp->configChanged) { /* CRASH: null ptr deref */
mastersp->lastConfigTime = currentTime;
mastersp->configChanged = FALSE;
}
However, it's unclear if just checking for null here is going to be an
adequate fix.
Could you explain in more detain what you did leading up to the crash
and how it transpired? And, can you try seeing if doing those steps
again cause it to crash in the same way again?
** Changed in: xorg-server (Ubuntu)
Importance: Medium => High
** Changed in: xorg-server (Ubuntu)
Status: New => Incomplete
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1112699
Title:
Xorg crashed with SIGABRT in RRSetChanged()
Status in “xorg-server” package in Ubuntu:
Incomplete
Bug description:
Crashed after kernel 3.8.0.3 update after restart, entered low
graphical mode with only command line, after next reboot everything is
fine again. Also on launchpad page where i am writing this i see this
command $ ubuntu-bug xorg-server, and after i try to execute it i got
message "Package xorg-server does not exist"
#10 <signal handler called>
#11 RRSetChanged (pScreen=pScreen@entry=0xb9358eb8)
at ../../randr/randr.c:486
mastersp = 0x0
#12 RRScreenSetSizeRange (pScreen=pScreen@entry=0xb9358eb8, minWidth=320,
minHeight=200, maxWidth=8192, maxHeight=8192)
at ../../randr/rrinfo.c:228
pScrPriv = 0xb93745c8
#13 xf86RandR12CreateScreenResources12 (pScreen=0xb9358eb8)
at ../../../../hw/xfree86/modes/xf86RandR12.c:1594
config = 0xb93561f8
#14 xf86RandR12CreateScreenResources (pScreen=pScreen@entry=0xb9358eb8)
at ../../../../hw/xfree86/modes/xf86RandR12.c:842
pScrn = 0xb9354bc8
randrp = 0xb93742c0
#15 xf86CrtcCreateScreenResources (screen=0xb9358eb8)
at ../../../../hw/xfree86/modes/xf86Crtc.c:710
ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: xserver-xorg-core 2:1.13.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-3.7-generic 3.8.0-rc5
Uname: Linux 3.8.0-3-generic i686
.tmp.unity.support.test.0:
ApportVersion: 2.8-0ubuntu4
Architecture: i386
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Fri Feb 1 18:12:07 2013
DistUpgraded: 2013-01-19 22:44:58,817 DEBUG enabling apt cron job
DistroCodename: raring
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Core Processor Integrated Graphics Controller [8086:0046]
(rev 12) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:1252]
NVIDIA Corporation GT216 [GeForce GT 325M] [10de:0a35] (rev a2) (prog-if 00
[VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:1252]
InstallationDate: Installed on 2013-01-19 (12 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MachineType: ASUSTeK Computer INC. N61Jv
MarkForUpload: True
ProcCmdline: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp
vt7 -novtswitch
ProcEnviron:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-3-generic
root=UUID=f31b5c33-9c96-4314-8609-281abe7a54b8 ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
RRSetChanged ()
RRScreenSetSizeRange ()
xf86RandR12CreateScreenResources ()
?? ()
?? ()
Title: Xorg crashed with SIGABRT in RRSetChanged()
UpgradeStatus: Upgraded to raring on 2013-01-19 (12 days ago)
UserGroups:
dmi.bios.date: 01/28/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 208
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: N61Jv
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr208:bd01/28/2010:svnASUSTeKComputerINC.:pnN61Jv:pvr1.0:rvnASUSTeKComputerINC.:rnN61Jv:rvr1.0:cvnASUSTeKComputerINC.:ct10:cvr1.0:
dmi.product.name: N61Jv
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer INC.
version.compiz: compiz 1:0.9.9~daily13.01.25-0ubuntu1
version.libdrm2: libdrm2 2.4.41-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.2-0ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.19-0ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.6-0ubuntu2
xserver.bootTime: Fri Feb 1 18:14:33 2013
xserver.configfile: default
xserver.errors:
Failed to load module "nvidia" (module does not exist, 0)
Failed to load module "nvidia" (module does not exist, 0)
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.2-0ubuntu1
xserver.video_driver: intel
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