Public bug reported:
Binary package hint: compiz
Currently using VirtualBox 3.0.8 with addons installed, 3D acceleration
enabled. Visual effects set to normal via desktop->right click-> desktop
background.
Observed that there is a lag of approximately one keystroke for all
applications, with the last character displayed after some sort of a
timeout period.
Example 1:
* Firefox, typing this bug report
If I want to type "foo baa":
1. I type "f" - no changes on the screen (assume that I do not wait for timeout)
2. I type "o" - "f" appears.
3. I type "o baa" - "oo ba" appears with almost no delay
4. after approx 0.5 - 1 second, the last "a" appears
Example 2:
* changing a command in a Terminal
If I want to delete a line of characters "sudo aptitude"
1. I press the backspace key (cursor at the end of line) - nothing happens
2. wait approx 0.5-1 sec, the "e" is removed
3. Press and hold backspace - The end of the string is progressively deleted,
the speed is as expected, until the first character ("s")
4. The character "s" stays for approx 0.5-1 sec before being removed.
Similar problem is also observed with other keystrokes - eg. Ctrl-
backspace for deleting a word, shift-cursor, etc for highlighting.
No observable lag is detected with the mouse cursor, although menu
appearance animations seems to have similar problem (click on it and it
"half" appears - font is very narrow, still slightly transparent. It
only becomes solid when one of the items becomes highlighted; click
again and it "half" disappears - the menu can still be seen, until the
the cursor in this message box flashes)
It seems as though all animations/changes doesn't get finalised until
something else triggers a refresh (cursor blink, menu item gets
highlighted)
ProblemType: Bug
Architecture: amd64
CompizPlugins:
[core,move,resize,place,decoration,animation,ccp,dbus,mousepoll,gnomecompat,png,svg,imgjpeg,text,commands,neg,video,wall,snap,scale,scaleaddon,expo,staticswitcher,regex,resizeinfo,workarounds,ezoom,vpswitch,extrawm,fade,session]
Date: Mon Oct 26 15:22:46 2009
DistroRelease: Ubuntu 9.10
Lsusb:
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: innotek GmbH VirtualBox
Package: compiz 1:0.8.4-0ubuntu2
PackageArchitecture: all
PciDisplay: 00:02.0 VGA compatible controller [0300]: InnoTek Systemberatung
GmbH VirtualBox Graphics Adapter [80ee:beef]
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-14-generic
root=UUID=b902f46b-0eea-44bb-a558-d987eb7661ec ro
ProcEnviron:
PATH=(custom, user)
LANG=en_AU.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
xserver-xorg 1:7.4+3ubuntu7
libgl1-mesa-glx 7.6.0-1ubuntu4
libdrm2 2.4.14-1ubuntu1
xserver-xorg-video-intel 2:2.9.0-1ubuntu2
xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
SourcePackage: compiz
Uname: Linux 2.6.31-14-generic x86_64
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.modalias:
dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH
system: distro = Ubuntu, architecture = x86_64, kernel = 2.6.31-14-generic
** Affects: compiz (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
compiz slow refresh
https://bugs.launchpad.net/bugs/460858
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