[ kvm-Bugs-1760424 ] Intel real mode emulation failures

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Bugs item #1760424, was opened at 2007-07-25 18:40
Message generated for change (Comment added) made by technologov
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1760424&group_id=180599

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Category: intel
Group: None
>Status: Open
Resolution: Fixed
Priority: 8
Private: No
Submitted By: Technologov (technologov)
Assigned to: Nobody/Anonymous (nobody)
Summary: Intel real mode emulation failures

Initial Comment:
Major Linux distros crash on KVM-29, Intel64 CPU.

Those include:

Mandriva 2007 (32/64-bit)
Ubuntu 7.04 (32/64-bit)
openSUSE 10.2 (32/64-bit)
PCLinuxOS 2007 (32-bit)

The all crash because of the same reason: Graphical Bootloader. (GRUB) 

If we fix the root of the issue, all the problems will gone.

All of above work fine with -no-kvm. (Qemu)

I thouught, that bug 1740031 (Kubuntu 7.04 fails to boot as guest- hangs after kernel boot) is related to this one, but since it was opened against kernel, not against the bootloader, I have decided to open this bug.

-Alexey Eremenko.

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>Comment By: Technologov (technologov)
Date: 2010-06-14 16:55

Message:
The problem happened on Core 2 CPUs...

Do you have a system with Core 2 CPU ?

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Comment By: Jes Sorensen (jessorensen)
Date: 2010-06-11 15:49

Message:
Pulled down a copy and tested.

Ubuntu 7.04 installs and boots fine under recent KVM/QEMU. Looks like
problem has been resolved.

Closing
Jes


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

Comment By: Technologov (technologov)
Date: 2008-08-03 11:25

Message:
Logged In: YES 
user_id=1839746
Originator: YES

The situation is improving - distros integrate newest GRUB, which
workarounds this problem.

Fixed distros: openSUSE 11.0, Ubuntu 8.04.

Mandriva Linux (2007/2008/2009-beta1) are still problematic. Bug opened.

Mandriva Linux unable to boot or install on KVM Virtualizer due to old
GRUB: 
https://qa.mandriva.com/show_bug.cgi?id=42358

-Alexey, 3.8.2008.

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Comment By: Henrik Holst (henrik_holst)
Date: 2008-02-08 16:47

Message:
Logged In: YES 
user_id=2003951
Originator: NO

I see the same here with KVM-60, on a Core 2 Duo 6600.

Host is debian testing on a 2.6.22-3-amd64 kernel, using kvm-intel. Trying
to boot a kubuntu-7.10 iso crashes directly, works flawlessy with -no-kvm
and have tried to run both a debian and w2k3 as gursts without any
problems.

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

Comment By: Technologov (technologov)
Date: 2007-09-05 13:19

Message:
Logged In: YES 
user_id=1839746
Originator: YES

Update: with KVM-36 this is partially fixed. Works on SVM, but still
stucks on VMX.

openSUSE 10.2 (32/64-bit) and Mandriva Linux 2007 boots now.

-Alexey "Technologov"

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

Comment By: Technologov (technologov)
Date: 2007-07-25 18:51

Message:
Logged In: YES 
user_id=1839746
Originator: YES

File Added: KVM29-VMX64-Ubuntu7-i386.txt

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

Comment By: Technologov (technologov)
Date: 2007-07-25 18:46

Message:
Logged In: YES 
user_id=1839746
Originator: YES

File Added: KVM29-VMX64-PCLinuxOS2007-i386.txt

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

Comment By: Technologov (technologov)
Date: 2007-07-25 18:45

Message:
Logged In: YES 
user_id=1839746
Originator: YES

File Added: KVM29-VMX64-openSUSE10.2.txt

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

Comment By: Technologov (technologov)
Date: 2007-07-25 18:44

Message:
Logged In: YES 
user_id=1839746
Originator: YES

File Added: KVM29-VMX64-Mandriva2007-i386.txt

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

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1760424&group_id=180599
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