Performance with a fullscreen Dash is very poor or worse with nouveau

Bug #1063523 reported by Doug McMahon on 2012-10-08
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
unity (Ubuntu)
Undecided
Unassigned

Bug Description

A FS Dash performs quite poorly, at least here with nouveau drivers.
It will quickly go from very slow to major video degradation, both in the Dash & unity panel.
After a couple of openings the Dash Icon may stop responding to r. clicks & .xsession-errors reports
"nouveau: kernel rejected pushbuf: Cannot allocate memory
nouveau: ch4: krec 0 pushes 1 bufs 151 relocs 0
nouveau: ch4: buf 00000000 00000005 00000006 00000006 00000000"
ect.
Attached is a truncated .xsession-errors, removed about 100,000 lines, each subsequent attempted opening of the Dash will write about 100,000 lines or more additional lines until the system eventually locks

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: unity 6.8.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-17.27-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.6.1-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Sun Oct 7 23:48:14 2012
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
GraphicsCard:
 NVIDIA Corporation G86 [GeForce 8400M GS] [10de:0427] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:0209]
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120926)
MachineType: Dell Inc. XPS M1330
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=799c04f2-3f2a-45ce-98bb-cc6fd614e82a ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
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 1:0.9.8.4-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20121004.b2048c5e-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20121004.b2048c5e-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu5
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

Doug McMahon (mc3man) wrote :
description: updated
Doug McMahon (mc3man) wrote :
Doug McMahon (mc3man) on 2012-10-08
summary: - Performance with a fullscreen Dash is very poor or worse
+ Performance with a fullscreen Dash is very poor or worse with nouveau
Doug McMahon (mc3man) on 2012-11-09
tags: added: raring
Benjamin Kerensa (bkerensa) wrote :

Thanks for reporting this bug and any supporting documentation. Since this bug has enough information provided for a developer to begin work, I'm going to mark it as confirmed and let them handle it from here. Thanks for taking the time to make Ubuntu better!

Changed in unity (Ubuntu):
status: New → Confirmed
Omer Akram (om26er) wrote :

Thanks for the bug report. This particular bug has already been reported and is being tracked as bug 1055126. Please continue any further discussion there.

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