From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [ANNOUNCE] kvm-51 release Date: Thu, 08 Nov 2007 07:51:50 +0200 Message-ID: <4732A3F6.8070903@qumranet.com> References: <4731F5B5.1000108@qumranet.com> <47321384.8060405@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel To: Haydn Solomon Return-path: In-Reply-To: <47321384.8060405-Re5JQEeQqe8AvxtiuMwx3w@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 Haydn Solomon wrote: > First , thank you for new release of kvm. I have a few problems to > report with kvm-51. > > 1. When running an exisiting winxp ACPI multiprocessor HAL with -smp > 2, sometimes it will hang on boot. This isn't new. It isn't reported because few people run smp Windows, as prior to FlexPriority/tpr-opt it was unbearably slow. I'll look unto it. > 2. This may not be a major problem but cpu usage is a litte higher > when idle on release 51 than 50. It was very low on 50, the lowest > I've seen in a long time. It shouldn't have changed. What do you see? Can you provide a snapshot of kvm_stat while Windows is idling (a few minutes after load)? > 3. For me personally, the best performing release to date is release 50. kvm-51 shouldn't be all that different; it's mostly AMD stability improvements and the FlexPriority smp fix. > > Regards > > Haydn > > Avi Kivity wrote: >> If you're having trouble on AMD systems, please try this out. >> >> Changes from kvm-50: >> - fix some x86 emulator one-byte insns (fixes W2K3 installer again) >> - fix host hangs with NMI watchdog on AMD >> - fix guest SMP on AMD >> - fix dirty page tracking when clearing a guest page (Dor Laor) >> - more portability work (Hollis Blanchard, Jerone Young) >> - fix FlexPriority with guest smp (Sheng Yang) >> - improve rpm specfile (Akio Takebe, me) >> - fix external module vs portability work (Andrea Arcangeli) >> - remove elpin bios due to license violation >> - testsuite shutdown pio port >> - don't advertise svm on the guest >> - fix reset with kernel apic (Markus Rechberger) >> >> >> Notes: >> If you use the modules bundled with kvm-51, 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 >> >> >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by: Splunk Inc. >> Still grepping through log files to find problems? Stop. >> Now Search log events and configuration files using AJAX and a browser. >> Download your FREE copy of Splunk now >> http://get.splunk.com/ >> _______________________________________________ >> kvm-devel mailing list >> kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >> https://lists.sourceforge.net/lists/listinfo/kvm-devel >> > adfdf -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/