Comix flicks w/ white lines when scrolling large image

[José Lou Chang]

Two problems that might be related to each other.

1) Get a large image

2) Open with Comix (Right click image-----> Open With---------> Comix)

3) Scroll down

4) White lines appears across Comix

[Too fast to create a screenshot]

ALSO:

1) Get a large image

2) Open with Comix

3) Any image from the background window appears inside Comix. For example, if there is no other window open and Comix is opened, comix will show the desktop wallpaper image within Comix. And if another window.. let's say Firefox or nautilus is open, Comix will show it bellow.

[See attachment "Comix-FirstRun2012-04-06.png"]

-----------------------

NOTE:
All of these only happens on the first run and when it is maximized. If Comix is un-maximized and maximized again, both problems disappear. However, if Comix is closed and re-opened again, the screen problem re-appears.

-----------------------------------------------------------------
In case it matters:

 lspci -v
00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 0c)
 Subsystem: Hewlett-Packard Company Pavilion dv6700
 Flags: bus master, fast devsel, latency 0
 Capabilities: <access denied>
 Kernel driver in use: agpgart-intel

00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) (rev 0c) (prog-if 00 [VGA controller])
 Subsystem: Hewlett-Packard Company Device 30cc
 Flags: bus master, fast devsel, latency 0, IRQ 46
 Memory at f8000000 (64-bit, non-prefetchable) [size=1M]
 Memory at d0000000 (64-bit, prefetchable) [size=256M]
 I/O ports at 1800 [size=8]
 Expansion ROM at <unassigned> [disabled]
 Capabilities: <access denied>
 Kernel driver in use: i915
 Kernel modules: intelfb, i915
---------------------------------------------------------------------------------

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: comix 4.0.4-1
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.0-0ubuntu4
Architecture: amd64
Date: Fri Apr 6 10:25:09 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120325)
PackageArchitecture: all
SourcePackage: comix
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.