[Bug 925001] [NEW] fwts segfaults executing the msr test in a kvm instance when using Precise as the host OS

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You have been subscribed to a public bug by Keng-Yü Lin (lexical):

While running fwts in a kvm instance I've noticed I see a GPF and fwts
segfaults.  This only occurs while running in KVM, and only appears to
be an issue when the host OS is running Precise:

$ wget http://hwe.ubuntu.com/fwts-live/images/fwts-live-oneiric-amd64-usb-hdd-20111217-0.img.bz2
$ bzip2 -d fwts-live-oneiric-amd64-usb-hdd-20111217-0.img.bz2
$ sudo kvm -m 512 -hda fwts-live-oneiric-amd64-usb-hdd-20111217-0.img --vga vmware
   [ change FWTS_AUTO_SHUTDOWN=1 to =0 in syslinux, boot, execute all batch tests, note the GPF, exit the interface ]
$ sudo sysctl -w kernel.printk=0
$ sudo fwts msr
   [ note the segfault ]

See the attached screenshot from qemu:
 * http://ubuntuone.com/3vaBDmoNJqHB9S8wpelpXh

This has been verified on the latest Precise kernel (3.2.0-12), and fwts
0.24.17)

The host OS logs the following errors once the msr tests are executed
inside the kvm instance:

Feb  1 12:36:44 brooklynzoo kernel: [14588.259829] kvm: 10003: cpu0 unhandled rdmsr: 0x6
Feb  1 12:36:44 brooklynzoo kernel: [14588.259973] kvm: 10003: cpu0 unhandled rdmsr: 0x19a
Feb  1 12:36:44 brooklynzoo kernel: [14588.259980] kvm: 10003: cpu0 unhandled rdmsr: 0x19b
Feb  1 12:36:44 brooklynzoo kernel: [14588.259998] kvm: 10003: cpu0 unhandled rdmsr: 0x1b2
Feb  1 12:36:44 brooklynzoo kernel: [14588.260004] kvm: 10003: cpu0 unhandled rdmsr: 0x1f2
Feb  1 12:36:44 brooklynzoo kernel: [14588.260010] kvm: 10003: cpu0 unhandled rdmsr: 0x1f3
Feb  1 12:36:44 brooklynzoo kernel: [14588.260016] kvm: 10003: cpu0 unhandled rdmsr: 0x1f8
Feb  1 12:36:44 brooklynzoo kernel: [14588.260022] kvm: 10003: cpu0 unhandled rdmsr: 0x1f9
Feb  1 12:36:44 brooklynzoo kernel: [14588.260028] kvm: 10003: cpu0 unhandled rdmsr: 0x1fa
Feb  1 12:36:44 brooklynzoo kernel: [14588.260680] kvm: 10003: cpu0 unhandled rdmsr: 0x3f1

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: fwts 0.24.17
ProcVersionSignature: Ubuntu 3.2.0-12.20-generic 3.2.2
Uname: Linux 3.2.0-12-generic x86_64
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Wed Feb  1 12:24:32 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120120)
SourcePackage: fwts
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: fwts (Ubuntu)
     Importance: Medium
     Assignee: Colin King (colin-king)
         Status: Triaged


** Tags: amd64 apport-bug precise running-unity
-- 
fwts segfaults executing the msr test in a kvm instance when using Precise as the host OS
https://bugs.launchpad.net/bugs/925001
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