I installed 12.04 LTS on 2013-04-18, and everything was running fine. I updated to 12.10 Quantal on 2013-04-21 and once the upgrade was complete, I rebooted.
Bug:
1. Upon reboot, I couldn't get past the Ubuntu loading screen (never got to login, went to a black screen instead).
2. I rebooted again and this time I pressed ESC to get to the console and logged in the console
3. I tried "startx" and it failed with "No Screen Found"
4. I looked at /var/log/xorg.0.log and found that it was trying to load a bunch of modules "intel", "vesa", and a few others... seems like it was trying to find a drivers to load but couldn't find any. At the bottom of the log it gave up with "No Drivers Available" or something.
Workaround:
5. I found that I had a bunch of xserver-*-lts-quantal packages, and I thought those weren't supposed to be there so I "apt-get install xserver-xorg-video-intel" and it replaced the xserver-*-lts-quantal packages with just xserver-xorg.
6. Rebooted, and the problem was gone (X started fine).
So everything is working now, but I thought I'd file this somewhere since I had a very stock install (~3 days old) and it seems like it failed to update xserver packages during the 12.04->12.10 upgrade. I'm on a ThinkPad T410s and my video card is:
VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
---
.tmp.unity.support.test.0:
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
DistUpgraded: 2013-04-30 22:33:55,209 DEBUG enabling apt cron job
DistroCodename: raring
DistroRelease: Ubuntu 13.04
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 4.2.10, 3.5.0-27-generic, x86_64: installed
virtualbox, 4.2.10, 3.8.0-21-generic, x86_64: installed
virtualbox, 4.2.10, 3.8.0-22-generic, x86_64: installed
virtualbox, 4.2.10, 3.8.0-23-generic, x86_64: installed
virtualbox, 4.2.10, 3.8.0-25-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:21c1]
InstallationDate: Installed on 2013-04-19 (75 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
MachineType: LENOVO 2901CTO
MarkForUpload: True
Package: xorg 1:7.7+1ubuntu4
PackageArchitecture: amd64
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-25-generic root=UUID=b1b48c5d-82fa-49f1-843d-09363e1cd081 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.8.0-25.37-generic 3.8.13
Tags: raring ubuntu compiz-0.9
Uname: Linux 3.8.0-25-generic x86_64
UpgradeStatus: Upgraded to raring on 2013-05-01 (63 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 12/12/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 6UET68WW (1.48 )
dmi.board.name: 2901CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6UET68WW(1.48):bd12/12/2011:svnLENOVO:pn2901CTO:pvrThinkPadT410s:rvnLENOVO:rn2901CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2901CTO
dmi.product.version: ThinkPad T410s
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.43-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.3-0ubuntu0.3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.3-0ubuntu0.3
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: Wed Jul 3 10:09:32 2013
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.3-0ubuntu6
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