From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Gao Subject: Re: [ANNOUNCE] kvm-41 release Date: Wed, 19 Sep 2007 20:46:05 -0700 Message-ID: <46F1ECFD.1010300@schrodinger.com> References: <46F101AE.6020905@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel To: Avi Kivity Return-path: In-Reply-To: <46F101AE.6020905-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Avi Kivity wrote: > Still recovering from the lapic merge with two important fixes. Also > progress on paravirtualization and the x86 emulator. > > As usual, if you have an issue please try with -no-kvm-irqchip and report. > > Changes since kvm-40: > - refactor hypercall infrastructure for simplicity and better smp > support (Anthony Liguori) > - fix ioapic level triggered interrupt redelivers (solves networking stalls) > - reduce efer reloads with 32-bit guests; minor performance improvement > - split x86 emulator decode and execute stages (Laurent Vivier) > - fix pic interrupt delivery (solves time going double speed on x86_64 > Linux guests) (Qing He) > - adaptive live migration bandwidth limits (Uri Lublin) > > Notes: > If you use the modules bundled with kvm-41, 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 > kvm-41 breaks on 32bit 2.6.22-gentoo-r5, Genuine Intel(R) CPU T2500 @ 2.00GHz # modprobe kvm-intel FATAL: Error inserting kvm_intel (/lib/modules/2.6.22-gentoo-r5/extra/kvm-intel.ko): Unknown symbol in module, or unknown parameter (see dmesg) # dmesg kvm_intel: Unknown symbol kvm_emulate_hypercall kvm_intel: Unknown symbol kvm_emulate_hypercall Simon ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/