[xmir] Xorg crashed with SIGABRT in xf86SwitchMode()

[Chris Gagnon]

description:
xorg crashed while running openarena benchmark, this only happens when xmir is running regular xorg is not effected.

steps:
1. on a machine with a radeon hd5750 install saucy (does not happen on intel or radeon hd7450 )
2. apt-get install unity-system-compositor xserver-xorg-video-radeon phoronix-test-suite
3. reboot
4. phoronix-test-suite install openarena
5. echo -ne "800 x 600\ny\n800x600\n\nn\nn\ny\nn\n" | phoronix-test-suite run openarena

expected result:
test completes

actual result:
xorg crashes

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: xserver-xorg-core 2:1.14.2.901-2ubuntu5
ProcVersionSignature: Ubuntu 3.11.0-8.15-generic 3.11.1
Uname: Linux 3.11.0-8-generic x86_64
ApportVersion: 2.12.4-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
Date: Thu Sep 26 14:40:27 2013
DistUpgraded: Fresh install
DistroCodename: saucy
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Juniper PRO [Radeon HD 5750] [1002:68be] (prog-if 00 [VGA controller])
   Subsystem: Gigabyte Technology Co., Ltd Device [1458:21d5]
InstallationDate: Installed on 2013-09-26 (0 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20130925.1)
MarkForUpload: True
ProcCmdline: /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -mir 0 -mirSocket /tmp/mir_socket -nolisten tcp
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-8-generic root=UUID=4f07e7f3-d9db-4c21-aa76-5981a2ac116a ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so
 ?? ()
 xf86SwitchMode ()
 VidModeSwitchMode ()
 ?? ()
Title: Xorg crashed with SIGABRT in xf86SwitchMode()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: utah
dmi.bios.date: 02/08/2012
dmi.bios.vendor: Intel Corp.
dmi.bios.version: BHZ7710H.86A.0057.2012.0208.1904
dmi.board.name: DZ77BH-55K
dmi.board.vendor: Intel Corporation
dmi.board.version: AAG39008-400
dmi.chassis.type: 3
dmi.modalias: dmi:bvnIntelCorp.:bvrBHZ7710H.86A.0057.2012.0208.1904:bd02/08/2012:svn:pn:pvr:rvnIntelCorporation:rnDZ77BH-55K:rvrAAG39008-400:cvn:ct3:cvr:
version.compiz: compiz 1:0.9.10+13.10.20130920-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.46-1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.2-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.2-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.14.2.901-2ubuntu5
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu6
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.14-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
xserver.bootTime: Thu Sep 26 14:40:29 2013
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input Raritan D2CIM-DVUSB KEYBOARD, id 8
 input Raritan D2CIM-DVUSB MOUSE, id 9
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs: Output DVI-0 HDMI-0 VGA-0
xserver.version: 2:1.14.2.901-2ubuntu5
xserver.video_driver: radeon

[Apport retracing service (apport)]

StacktraceTop:
 drmmode_set_mode_major (crtc=0x7fdb0298c210, mode=0x7fdb0298c228, rotation=<optimized out>, x=0, y=0) at ../../src/drmmode_display.c:515
 xf86XVAdjustFrame (pScrn=0x7fdb029721b0, x=0, y=0) at ../../../../hw/xfree86/common/xf86xv.c:1362
 xf86SwitchMode (pScreen=0x7fdb0298fde0, mode=mode@entry=0x7fdb03133ab0) at ../../../../hw/xfree86/common/xf86Cursor.c:273
 VidModeSwitchMode (scrnIndex=<optimized out>, mode=0x7fdb03133ab0) at ../../../../hw/xfree86/common/xf86VidMode.c:340
 ProcXF86VidModeSwitchToMode (client=<optimized out>) at ../../../../hw/xfree86/common/xf86vmode.c:1168

[Daniel van Vugt (vanvugt)]

XMir 1.0 (the old Xorg extension) is now deprecated and is not being maintained or fixed. It is replaced by the new 'Xmir' binary (package 'xmir') introduced in Ubuntu 15.10 wily.