from nouveau ddx, drmmode_display.c:
if (scrn) {
xf86CrtcConfigPtr conf = XF86_CRTC_CONFIG_PTR(scrn);
drmmode_crtc_private_ptr crtc = conf->crtc[0]->driver_private;
return crtc->drmmode;
}
crtc is being set to 0x1b0, which is not a valid pointer. Segfaults on
deref in the return.
** Package changed: xorg-server (Ubuntu) => xserver-xorg-video-nouveau
(Ubuntu)
** Changed in: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided => Medium
** Changed in: xserver-xorg-video-nouveau (Ubuntu)
Status: New => Triaged
** Changed in: xserver-xorg-video-nouveau (Ubuntu)
Assignee: (unassigned) => Maarten Lankhorst (mlankhorst)
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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/1124693
Title:
Xorg crashed with SIGABRT in drmmode_from_scrn
Status in “xserver-xorg-video-nouveau” package in Ubuntu:
Triaged
Bug description:
Please note I am in recovery mode due to bug#1124661
#8 <signal handler called>
No symbol table info available.
#9 0x00007faea458ba63 in drmmode_from_scrn (scrn=0x7faea9cbc830) at
../../src/drmmode_display.c:109
conf = 0x7faea9cac010
crtc = <error reading variable crtc (Cannot access memory at address
0x1b0)>
#10 drmmode_wakeup_handler (data=0x7faea9cbc830, err=1, p=0x7faea854d000
<LastSelectMask>) at ../../src/drmmode_display.c:1480
scrn = 0x7faea9cbc830
drmmode = 0xffffffffffffffe0
#11 0x00007faea8166cfb in WakeupHandler (result=result@entry=1,
pReadmask=pReadmask@entry=0x7faea854d000 <LastSelectMask>) at
../../dix/dixutils.c:423
#12 0x00007faea82b7304 in WaitForSomething
(pClientsReady=pClientsReady@entry=0x7faea9e8fc90) at ../../os/WaitFor.c:224
i = 1
waittime = {tv_sec = 599, tv_usec = 975998}
wt = 0x7fffcd2a06e0
clientsReadable = {fds_bits = {0 <repeats 16 times>}}
clientsWritable = {fds_bits = {140388120561296, 0, 1,
140388118510741, 140385301037061, 0, 140388149781584, 140388084243416,
140736635472000, 1, 140388150835808, 140388118538021, 140736635471696,
140736635472000, 1, 140388085196934}}
selecterr = 22
nready = 0
devicesReadable = {fds_bits = {0 <repeats 16 times>}}
someReady = <optimized out>
#13 0x00007faea8162791 in Dispatch () at ../../dix/dispatch.c:357
clientReady = 0x7faea9e8fc90
icheck = 0x7faea8544390 <checkForInput>
#14 0x00007faea815154a in main (argc=9, argv=0x7fffcd2a0ae8, envp=<optimized
out>) at ../../dix/main.c:298
alwaysCheckForInput = {0, 1}
ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: xserver-xorg-core 2:1.13.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-6.11-generic 3.8.0-rc7
Uname: Linux 3.8.0-6-generic x86_64
.tmp.unity.support.test.1:
ApportVersion: 2.8-0ubuntu4
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CrashCounter: 1
Date: Wed Feb 13 23:35:48 2013
DistUpgraded: Fresh install
DistroCodename: raring
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:0446]
NVIDIA Corporation GF108 [GeForce GT 540M] [10de:0df5] (rev a1) (prog-if 00
[VGA controller])
Subsystem: Dell Device [1028:0446]
InstallationDate: Installed on 2013-02-11 (2 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130210)
MachineType: Dell Inc. Dell System XPS 15Z
MarkForUpload: True
ProcCmdline: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp
vt7 -novtswitch
ProcEnviron:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-6-generic
root=UUID=93acc5a7-d531-4af3-a215-472a7bd065d6 ro recovery nomodeset
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
?? () from /usr/lib/xorg/modules/drivers/nouveau_drv.so
WakeupHandler ()
WaitForSomething ()
?? ()
?? ()
Title: Xorg crashed with SIGABRT in WakeupHandler()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
dmi.bios.date: 07/27/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 060G42
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrA04:bd07/27/2011:svnDellInc.:pnDellSystemXPS15Z:pvr:rvnDellInc.:rn060G42:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS 15Z
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.9~daily13.02.08-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.42-0ubuntu1
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 2:1.13.2-0ubuntu2
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 2:2.21.2-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.6-0ubuntu2
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