[Bug 500009] [NEW] floating point exception when Windows NT 4 guest uses its cirrus driver

[James Cave]

Public bug reported:

Binary package hint: qemu-kvm

The emulation for the Cirrus Logic adapter in QEMU seems to be broken;
when Windows NT 4 tries to test the display using the "cirrus compatible
display adapter" driver, QEMU dies with the error "Floating point
exception."

Ubuntu Version: 9.10
qemu-kvm version: 0.11.0-0ubuntu6.3
KVM: not installed
Guest OS: Windows NT 4.0 SP1
QEMU command line: qemu -m 96 -soundhw all -net nic -net user -localtime -cdrom WindowsNT4.iso nt_ii.hdd

Steps to reproduce:
1. Start to install Windows NT in QEMU.
2. Proceed until Setup shows the Display properties dialog; confirm that Windows has detected a "cirrus compatible display adapter".
3. Click the "Test" button.

Expected behavior: NT displays a test pattern, allows confirmation of display properties, and finishes setup installation
Actual behavior: QEMU closes; the terminal output is "Floating point exception"

ProblemType: Bug
Architecture: i386
Date: Wed Dec 23 18:59:50 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Kubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
KvmCmdLine: Error: command ['ps', '-C', 'kvm', '-F'] failed with exit code 1: UID        PID  PPID  C    SZ   RSS PSR STIME TTY          TIME CMD
MachineType: Gateway 510 2900626
NonfreeKernelModules: nvidia
Package: qemu-kvm 0.11.0-0ubuntu6.3
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-16-generic root=UUID=fd77d0ce-f928-4e98-bcc8-d61215dff616 ro quiet splash
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-16.53-generic
SourcePackage: qemu-kvm
Uname: Linux 2.6.31-16-generic i686
XsessionErrors:
 (polkit-gnome-authentication-agent-1:1616): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (xfce4-cpugraph-plugin:1660): Gtk-CRITICAL **: gtk_container_set_border_width: assertion `GTK_IS_CONTAINER (container)' failed
 (<unknown>:2333): Gdk-CRITICAL **: gdk_window_get_origin: assertion `GDK_IS_WINDOW (window)' failed
 (<unknown>:2333): Gdk-CRITICAL **: gdk_window_get_origin: assertion `GDK_IS_WINDOW (window)' failed
dmi.bios.date: 04/22/2004
dmi.bios.vendor: Intel Corp.
dmi.bios.version: BF86510A.15A.0066.P13.0404221042
dmi.board.name: D865PELC
dmi.board.vendor: Intel Corporation
dmi.board.version: AAC66359-401
dmi.chassis.asset.tag: 0
dmi.chassis.type: 3
dmi.chassis.vendor: Gateway
dmi.chassis.version: FOX51A01 1ohrCdmaw
dmi.modalias: dmi:bvnIntelCorp.:bvrBF86510A.15A.0066.P13.0404221042:bd04/22/2004:svnGateway:pn5102900626:pvr4000947:rvnIntelCorporation:rnD865PELC:rvrAAC66359-401:cvnGateway:ct3:cvrFOX51A011ohrCdmaw:
dmi.product.name: 510 2900626
dmi.product.version: 4000947
dmi.sys.vendor: Gateway

** Affects: qemu-kvm (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

-- 
floating point exception when Windows NT 4 guest uses its cirrus driver
https://bugs.launchpad.net/bugs/500009
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