Still not an SNA bug :-p When you specify UXA manually through the xorg.conf snippet that overrides the GPU autoconfiguration, and disables activation of the nvidia GPU and sharing with nouveau through PRIME. When you leave it at its defaults, then it explodes inside nouveau.
Also it appears that you are experiencing the plymouthd race. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1125759 Title: SNA enabled causes Intel integrated graphics to only boot in low graphics mode Status in “xserver-xorg-video-intel” package in Ubuntu: New Bug description: After successfully installing 13.04 on my Dell XPS 15z, I restarted the laptop, successfully booting into Ubuntu with no issues. Restarting after that then gives the 'System is running in low graphics mode' message. I can only boot in recovery mode UPDATE: In the ubuntu forums thread (http://ubuntuforums.org/showthread.php?t=2115355), jbicha, recommended the following which fixed (or worked around) the problem "Perhaps this is a problem with SNA which has been enabled by default for raring. Add (or edit if it already exists) /etc/X11/xorg.conf and I think this is the code you need:" Code: Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "uxa" EndSection Extra info: This is an repost of bug 1124661 as I submitted that in recovery mode Other dell users seem to be experiencing similar issues: http://ubuntuforums.org/showthread.php?t=2115355 I installed and use the parameters mentioned here: https://wiki.ubuntu.com/HardwareSupport/Machines/Laptops/Dell/XPS/15z I have an optimus card, which the Nvidia card should be disabled as it does not work ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: xorg 1:7.7+1ubuntu4 ProcVersionSignature: Ubuntu 3.8.0-6.13-generic 3.8.0-rc7 Uname: Linux 3.8.0-6-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.8-0ubuntu4 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Fri Feb 15 01:50:36 2013 DistUpgraded: Fresh install DistroCodename: raring DistroVariant: ubuntu 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 (3 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130210) MachineType: Dell Inc. Dell System XPS 15Z MarkForUpload: True ProcEnviron: LANGUAGE=en_GB:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_GB.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-6-generic root=UUID=93acc5a7-d531-4af3-a215-472a7bd065d6 ro acpi_backlight=vendor dell_laptop.backlight=0 quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) XorgConf: Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "uxa" EndSection 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1125759/+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
