gregrwm, thank you for providing the requested information. The next step is to fully commit bisect from Precise to Saucy, in order to identify the offending commit. Could you please do this following https://wiki.ubuntu.com/X/Bisecting ?
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1238880 Title: saucy Xorg Segmentation fault Status in “xorg” package in Ubuntu: Incomplete Bug description: saucy Xorg can launch and display an xterm, but segfaults when twm is launched, or mouse is moved, or under lightdm. same hardware works fine under precise. Additional attachment contains: -rw-r----- 1 root whoopsie 1328963 2013-10-11 Fri 10:19:27 /var/crash/_usr_bin_Xorg.0.crash -rw-r--r-- 1 root root 49500 2013-10-11 Fri 10:19:43 /var/log/Xorg.0.log -rw-r--r-- 1 root root 145 2013-10-11 Fri 10:19:43 /var/run/systemd/seats/seat0 -rw-r--r-- 1 root root 202 2013-10-11 Fri 10:19:43 /var/run/systemd/users/444 -rw-r--r-- 1 root root 245 2013-10-11 Fri 10:19:43 /var/run/systemd/sessions/c1 -rw-r----- 1 root adm 1030 2013-10-11 Fri 10:19:45 /var/log/apport.log ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: xorg 1:7.7+1ubuntu6 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic i686 ApportVersion: 2.12.5-0ubuntu1 Architecture: i386 Date: Fri Oct 11 11:32:25 2013 MarkForUpload: True SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) --- ApportVersion: 2.13.1-0ubuntu1 Architecture: i386 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' DistUpgraded: Fresh install DistroCodename: trusty DistroRelease: Ubuntu 14.04 DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] 3D Rage PRO AGP 2X [1002:4742] (rev 5c) (prog-if 00 [VGA controller]) Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Rage Pro Turbo AGP 2X [1002:0080] Lsusb: Bus 001 Device 003: ID 09da:0006 A4 Tech Co., Ltd Optical Mouse WOP-35 / Trust 450L Optical Mouse Bus 001 Device 002: ID 552d:4348 Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: Compaq Deskpro EN Series Package: xorg 1:7.7+1ubuntu7 PackageArchitecture: i386 ProcEnviron: TERM=screen PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-1-generic root=UUID=0a0b9aac-fdd8-4d69-bc07-f4d66fbb6f28 ro noplymouth INIT_VERBOSE=yes panic=30 lapic acpi=force ProcVersionSignature: Ubuntu 3.13.0-1.16-generic 3.13.0-rc7 Renderer: Software Tags: trusty ubuntu reproducible Uname: Linux 3.13.0-1-generic i686 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo dmi.bios.date: 02/10/99 dmi.bios.vendor: Compaq dmi.bios.version: 686T3 dmi.board.name: 0400h dmi.board.vendor: Compaq dmi.chassis.type: 3 dmi.chassis.vendor: Compaq dmi.modalias: dmi:bvnCompaq:bvr686T3:bd02/10/99:svnCompaq:pnDeskproENSeries:pvr:rvnCompaq:rn0400h:rvr:cvnCompaq:ct3:cvr: dmi.product.name: Deskpro EN Series dmi.sys.vendor: Compaq version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1 version.libdrm2: libdrm2 2.4.50-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.0.1-1ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.0.1-1ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.14.5-1ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.907-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu1 xserver.bootTime: Sat Jan 11 15:42:36 2014 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input A4Tech USB Optical Mouse MOUSE, id 7 input AT Translated Set 2 keyboard KEYBOARD, id 8 xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.14.5-1ubuntu2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1238880/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp