Public bug reported:
Hello,
Up to 13.04, i have used the Apple Magic Trackpad as my main pointing
device. After upgrading to 13.04 my Xorg server starts to crash at the
third/fourth/fifth (or so) time i try to perform a right-click (with two
fingers pressing down) and drops me to the login-screen.
After debugging Xorg using another computer, i came to the conclusion
that synaptics causes a stack-smash somwhere inside the function
HandleState (called by ReadInput). The stack smash was detected after
HandleState finished. I have attached the backtrace i have gathered with
gdb.
xserver-xorg-input-synaptics:
Installiert: 1.6.2-1ubuntu6
Installationskandidat: 1.6.2-1ubuntu6
Versionstabelle:
*** 1.6.2-1ubuntu6 0
500 http://de.archive.ubuntu.com/ubuntu/ raring/main i386 Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xserver-xorg-input-synaptics 1.6.2-1ubuntu6
ProcVersionSignature: Ubuntu 3.8.0-22.33-generic 3.8.11
Uname: Linux 3.8.0-22-generic i686
ApportVersion: 2.9.2-0ubuntu8
Architecture: i386
Date: Sun May 26 15:05:17 2013
DistUpgraded: 2013-04-10 21:57:27,560 DEBUG enabling apt cron job
DistroCodename: raring
DistroVariant: ubuntu
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-09-07 (260 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MachineType: Apple Inc. Macmini5,1
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-22-generic
root=UUID=b001b45b-94ff-4642-9666-f5cc556e0fb1 ro quiet splash
SourcePackage: xserver-xorg-input-synaptics
UpgradeStatus: Upgraded to raring on 2013-04-10 (45 days ago)
dmi.bios.date: 01/24/2012
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MM51.88Z.0077.B10.1201241549
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-8ED6AF5B48C039E1
dmi.board.vendor: Apple Inc.
dmi.board.version: Macmini5,1
dmi.chassis.type: 16
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-8ED6AF5B48C039E1
dmi.modalias:
dmi:bvnAppleInc.:bvrMM51.88Z.0077.B10.1201241549:bd01/24/2012:svnAppleInc.:pnMacmini5,1:pvr1.0:rvnAppleInc.:rnMac-8ED6AF5B48C039E1:rvrMacmini5,1:cvnAppleInc.:ct16:cvrMac-8ED6AF5B48C039E1:
dmi.product.name: Macmini5,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
version.libdrm2: libdrm2 2.4.43-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.1-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.1-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
xserver.bootTime: Sun May 26 13:13:18 2013
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.3-0ubuntu6
xserver.video_driver: intel
** Affects: xserver-xorg-input-synaptics (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 raring ubuntu
** Attachment added: "Backtrace of synaptics stack smash"
https://bugs.launchpad.net/bugs/1184334/+attachment/3687068/+files/synaptics_stack_smash_backtrace.txt
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https://bugs.launchpad.net/bugs/1184334
Title:
stack smash crashes X when right click with apple magic trackpad
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