Re: [ANNOUNCE] kvm-56 release

Pelle
2007-12-13T14:19:23Z

I get the following error when modprobing the new module:

WARNING: Error inserting kvm
(/lib/modules/2.6.22-14-generic/extra/kvm.ko): Unknown symbol in module,
or unknown parameter (see dmesg)
kvm: Unknown symbol cmpxchg64

Ubuntu 7.10 32-bits, C2D E6300

Pelle.

Avi Kivity wrote:
> This restores live migration support which has been broken for a couple
> of releases. Also, if you had Java problems please test kvm-56, as it
> has some nx related permission fixes.
>
> Changes from kvm-55:
> - Generalize exception handling mechanism
> - fix x86 emulator eflags handling
> - avoid exit to userspace on cr8 write if using kernel lapic on Intel
> - fix stack instructions emulation in 64-bit mode
> - fixes Vista x86
> - except on Woodcrests
> - trap cr8 access on amd
> - mmu simplification
> - fix setting nx bit on shadow pte
> - fix inherited mmu permissions
> - more portability work (Hollis Blanchard, Xiantao Zhang)
> - add cr8 to 'mov cr' instruction emulation (Joerg Roedel)
> - exit to userspace on cr8 write if not kernel apic on amd (Joerg Roedel)
> - atomically set accessed and dirty bit on guest ptes (Marcelo Tosatti)
> - use ->fault() vma op instead of ->nopage()
> - remove abi 10 libkvm compatibility
> - add some x86 emulator tests
> - add many mmu access tests
> - fix rpm build on Fedora 8 (Dan Kenigsberg)
> - fix 'make sync' on debian and derivatives (Ryan Harper)
> - fix live migration (Uri Lublin, Izik Eidus)
> - initial ia64 userspace (Xiantao Zhang)
>
>
> Notes:
> If you use the modules bundled with kvm-56, you can use any version
> of Linux from 2.6.9 upwards.
> If you use the modules bundled with Linux 2.6.20, you need to use
> kvm-12.
> If you use the modules bundled with Linux 2.6.21, you need to use
> kvm-17.
> Modules from Linux 2.6.22 and up will work with any kvm version from
> kvm-22. Some features may only be available in newer releases.
> For best performance, use Linux 2.6.23-rc2 or later as the host.
>
> http://kvm.qumranet.com
>
>
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