Bug#359172: libgtk2.0-0: scrolling much slower in gtk 2.8

[juan]

Package: libgtk2.0-0
Version: 2.8.16-1
Severity: normal


We have an in house application used by 12 simultaneous users (Xvnc
access).
After upgrading to gtk2.8, the system became unuseable because it was
too much loaded. Our analysis shows that the application + Xvnc use much
more CPU than with gtk2.6. 
The main cause is scrolling, when changing the update policy to
discontinuous, the load went down as normal.
Something has changed in 2.8 that makes scrolling dead slow and cpu
intensive.



-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (990, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.16
Locale: LANG=POSIX, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)

Versions of packages libgtk2.0-0 depends on:
ii  libatk1.0-0               1.11.3-1       The ATK accessibility toolkit
ii  libc6                     2.3.6-4        GNU C Library: Shared libraries an
ii  libcairo2                 1.0.2-3        The Cairo 2D vector graphics libra
ii  libfontconfig1            2.3.2-5        generic font configuration library
ii  libglib2.0-0              2.10.1-2       The GLib library of C routines
ii  libgtk2.0-bin             2.8.16-1       The programs for the GTK+ graphica
ii  libgtk2.0-common          2.8.16-1       Common files for the GTK+ graphica
ii  libjpeg62                 6b-12          The Independent JPEG Group's JPEG 
ii  libpango1.0-0             1.12.0-2       Layout and rendering of internatio
ii  libpng12-0                1.2.8rel-5     PNG library - runtime
ii  libtiff4                  3.8.0-3        Tag Image File Format (TIFF) libra
ii  libx11-6                  6.9.0.dfsg.1-5 X Window System protocol client li
ii  libxcursor1               1.1.3-1        X cursor management library
ii  libxext6                  6.9.0.dfsg.1-5 X Window System miscellaneous exte
ii  libxi6                    6.9.0.dfsg.1-5 X Window System Input extension li
ii  libxinerama1              6.9.0.dfsg.1-5 X Window System multi-head display
ii  libxrandr2                6.9.0.dfsg.1-5 X Window System Resize, Rotate and
ii  libxrender1               1:0.9.0.2-1    X Rendering Extension client libra

Versions of packages libgtk2.0-0 recommends:
ii  hicolor-icon-theme            0.8-3      default fallback theme for FreeDes

-- no debconf information
-------------- next part --------------
A non-text attachment was scrubbed...
Name: load-year.png
Type: image/png
Size: 20899 bytes
Desc: not available
Url : http://lists.alioth.debian.org/pipermail/pkg-gnome-maintainers/attachments/20060327/8ac8d584/load-year-0001.png