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[Stu <stu.axon@xxxxxxxxx>]

The fix for this has been available for a long time, if it works - can
the cairo gl backend be re-enabled?    It's been disabled for nearly 3
years now, in the meantime it is available on fedora.

This is affecting an app I maintain as I can't use it with cairo-gl for
now.

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https://bugs.launchpad.net/bugs/725434

Title:
  Nvidia drivers lead to extra memory usage for each process using libGL

Status in cairo package in Ubuntu:
  Fix Released
Status in nvidia-graphics-drivers package in Ubuntu:
  Won't Fix
Status in cairo source package in Natty:
  Fix Released
Status in nvidia-graphics-drivers source package in Natty:
  Won't Fix

Bug description:
  the new nvidia-current is causing a 300% increase in memory use at login as compared to previously and or as currently with nouveau 3d drivers.
  While not a big deal on machines with 2+GB ram on older machines with 1 GB it does represent a bit of an issue.
  The increases are pretty much seen with all process, ie. 'across the board'
  Attached are single report logs, each from fresh boot
  The 3GB are from this reporting hardware, the 1GB are from a P4 with nvidia 7800 AGP and 1GB ram

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: nvidia-current 270.29-0ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
  Uname: Linux 2.6.38-5-generic i686
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86 Kernel Module  270.29  Wed Feb 23 16:16:53 PST 2011
   GCC version:  gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-3ubuntu3)
  Architecture: i386
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,scale,session,unityshell]
  CompositorRunning: compiz
  Date: Sat Feb 26 01:37:02 2011
  DistUpgraded: Fresh install
  DistroCodename: natty
  DistroVariant: ubuntu
  DkmsStatus: nvidia-current, 270.29, 2.6.38-5-generic, i686: installed
  GraphicsCard:
   nVidia Corporation G86 [GeForce 8400M GS] [10de:0427] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:0209]
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110202)
  MachineType: Dell Inc. XPS M1330
  ProcEnviron:
   LANGUAGE=C:en_US:en
   LANG=en_US.UTF-8
   LC_MESSAGES=en_GB.utf8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-5-generic root=UUID=9aabd666-add7-49fd-b17c-780c59823b85 ro quiet splash vt.handoff=7
  Renderer: Unknown
  SourcePackage: nvidia-graphics-drivers
  dmi.bios.date: 12/26/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A15
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA15:bd12/26/2008:svnDellInc.:pnXPSM1330:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: XPS M1330
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.4-0ubuntu1
  version.libdrm2: libdrm2 2.4.23-1ubuntu3
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu8
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu11
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu5

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