[ kvm-Bugs-1905703 ] SMP 8-way guests fail to boot

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Bugs item #1905703, was opened at 2008-03-02 14:49
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Category: None
Group: None
>Status: Closed
Resolution: Fixed
Priority: 5
Private: No
Submitted By: Technologov (technologov)
Assigned to: Nobody/Anonymous (nobody)
Summary: SMP 8-way guests fail to boot

Initial Comment:
Tried the recently added 8-way SMP on KVM-AMD. (Dual-CPU , Quad-Core AMD Barcelona K10)

Guests fail to boot.

Guests:
- Windows Server 2003 (32-bit)
- Windows Server 2008 (64-bit)
- Fedora 8 (64-bit)

Windows experience BSODs, while Linux just stucks during "init" phase.

While SMP 2 and 4-way are also were sometimes hanging, this one (8-way SMP hang) is consistent.

I have tried only KVM-AMD, because I don't have (yet) such an Intel machine.

-Alexey 02.03.2008.

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>Comment By: SourceForge Robot (sf-robot)
Date: 2009-02-02 02:35

Message:
This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).

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Comment By: Avi Kivity (avik)
Date: 2008-12-24 15:49

Message:
cannot reproduce with kvm-82

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Comment By: Joerg Roedel (jroedel)
Date: 2008-04-30 17:53

Message:
Logged In: YES 
user_id=2019182
Originator: NO

I tried to reproduce this on an 8-way AMD box with Barcelona B3 silicon. I
was not able to reproduce the boot problems with Windows Server 2008 64
bit. Can you give more details like the qemu command line and the kvm
version you have used?

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Comment By: Marcelo Tosatti (mtosatti)
Date: 2008-04-30 16:52

Message:
Logged In: YES 
user_id=2022487
Originator: NO

Alexey,

Can you please provide more details on the problem? 

- kvm_stat --once output once the guest is hung
- is the qemu process consuming excessive CPU time on the host?
- on the Linux case, is it a hard hang or can you still see the 
guest accepting keyboard input?

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1905703&group_id=180599