[Bug 478628] [NEW] Windows98SE graphics become corrupted in Virtualbox (at least 2 ways to show this)

[jorritlinnert]

Public bug reported:

Binary package hint: virtualbox-ose

OS: Ubuntu 9.10 (Karmic Koala) 64Bits
VirtualBox Version: 3.08
Host processor: Intel Core2Duo E8400
Guest OS: Win98SE
Howto reproduce this: (Way 1: start command.com)
1: Install Win98 SE with VirtualBox Extensions. (nice 16bits colors visible)
2: Start Guest OS Win98 Second Edition
3: Goto Start => Run and type command, followed by Enter:
4: Expected Result: command-prompt
- Real situation: Totally garbled screen, mostly black, with colorful, interrupted bands (see included screenshot)

Howto reproduce this: (Way 2: Start intensive process):
1: Install Win98 SE with VirtualBox Extensions.
2: Start Guest OS Win98 Second Edition
3: Make a 30MB 7zip-file, include it in .iso file together with 7-zip for easy sharing in Win98.
4: Install 7-zip on host system.
5: Mount .iso made in step 3 and copy file to virtual harddrive
6. Extract large zip using 7-zip:
7: Expected result: 7-zip extracts image and returns user to desktop
- Real situation: Totally garbled screen, mostly black, with colorful, interrupted bands (see screenshot)

Virtualbox keeps showing the Virtual Machine's name with '[Running]' next to it.
Klicking on the screen changes the pattern, as do keypresses, so it looks like the machine is indeed still running. It even gives an audible error when an error occurs. The interface has become totally unusable due to the distortion.

ProblemType: Bug
Architecture: amd64
Date: Sun Nov  8 20:18:16 2009
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: nvidia
Package: virtualbox-ose-qt 3.0.8-dfsg-1ubuntu1
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: virtualbox-ose
Uname: Linux 2.6.31-14-generic x86_64
VirtualBoxOse.DpkgList:
 rc  virtualbox-3.0                             3.0.2-49928_Ubuntu_jaunty                  Sun VirtualBox
 ii  virtualbox-ose                             3.0.8-dfsg-1ubuntu1                        x86 virtualization solution - base binaries
 ii  virtualbox-ose-qt                          3.0.8-dfsg-1ubuntu1                        x86 virtualization solution - Qt based user 
 ii  virtualbox-ose-source                      3.0.8-dfsg-1ubuntu1                        x86 virtualization solution - kernel module

** Affects: virtualbox-ose (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

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Windows98SE graphics become corrupted in Virtualbox (at least 2 ways to show this)
https://bugs.launchpad.net/bugs/478628
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