Re: [KVM TSC trapping / migration 1/2] Add TSC trapping for SVM and VMX

2011-01-09 Thread Zachary Amsden
On 01/07/2011 01:23 AM, Marcelo Tosatti wrote: On Thu, Jan 06, 2011 at 12:10:44AM -1000, Zachary Amsden wrote: Reasons to trap the TSC are numerous, but we want to avoid it as much as possible for performance reasons. We provide two conservative modes via modules parameters and userspace

Re: [RFT] IRQ sharing for assigned devices - method selection

2011-01-09 Thread Avi Kivity
On 01/07/2011 09:03 PM, Jan Kiszka wrote: So, if you have a good high-bandwidth test case at hand, I would appreciate if you could give this a try and report your findings. Does switching from exclusive to shared IRQ mode decrease the throughput or increase the host load? Is there a

Re: [PATCH v2 2/3] KVM: send IPI to vcpu only when it's in guest mode

2011-01-09 Thread Avi Kivity
On 01/07/2011 01:55 PM, Marcelo Tosatti wrote: On Fri, Jan 07, 2011 at 03:47:51PM +0800, Xiao Guangrong wrote: We can interrupt the vcpu only when it's running in guest mode to reduce IPI It looks like only ia64 and x86 need to send IPI to other vcpus, so i only add the implementation

Re: [PATCH] Handle guest access to BBL_CR_CTL3 MSR

2011-01-09 Thread Avi Kivity
On 01/08/2011 07:05 AM, john cooper wrote: A correction to Intel cpu model CPUID data (patch queued) caused winxp-64 to BSOD when booted with a Penryn model. This was traced to the CPUID model field correction from 6 - 23 (as is proper for a Penryn class of cpu). Only in this case does the

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Nikola Ciprich
Avi, I was forced to interrupt checkdisk on this machine, I tried it again and it's reproducible (even on another (testing) W2K8 guests). I transfered the image to testing machine where chkdsk runs OK and finished it there. So in case You'd like to continue debugging, I'm at Your disposal, we can

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Avi Kivity
On 01/09/2011 02:36 PM, Nikola Ciprich wrote: Avi, I was forced to interrupt checkdisk on this machine, I tried it again and it's reproducible (even on another (testing) W2K8 guests). I transfered the image to testing machine where chkdsk runs OK and finished it there. So in case You'd like to

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Nikola Ciprich
What are the differences between the host the completes chkdsk and the host that fails? Hardware-wise and software-wise. Software-wise, I'm not aware of any, both nodes use: - kernel 2.6.36.2 - qemu-kvm-0.13.0 - seabios-0.6.0 hardware-wise, problematic machine is older 8core, 16GB RAM,

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Nikola Ciprich
On Sun, Jan 09, 2011 at 02:36:55PM +0100, Nikola Ciprich wrote: What are the differences between the host the completes chkdsk and the host that fails? Hardware-wise and software-wise. Software-wise, I'm not aware of any, both nodes use: - kernel 2.6.36.2 - qemu-kvm-0.13.0 -

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Avi Kivity
On 01/09/2011 03:36 PM, Nikola Ciprich wrote: What are the differences between the host the completes chkdsk and the host that fails? Hardware-wise and software-wise. Software-wise, I'm not aware of any, both nodes use: - kernel 2.6.36.2 - qemu-kvm-0.13.0 - seabios-0.6.0 hardware-wise,

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Avi Kivity
On 01/09/2011 03:44 PM, Nikola Ciprich wrote: On Sun, Jan 09, 2011 at 02:36:55PM +0100, Nikola Ciprich wrote: What are the differences between the host the completes chkdsk and the host that fails? Hardware-wise and software-wise. Software-wise, I'm not aware of any, both nodes use:

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Nikola Ciprich
Please try the newer machine, after rmmoding kvm-intel, and reloading it with the module parameter ept=0. seems to be OK even with parameter.. n. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line unsubscribe kvm in the

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Avi Kivity
On 01/09/2011 04:27 PM, Nikola Ciprich wrote: Please try the newer machine, after rmmoding kvm-intel, and reloading it with the module parameter ept=0. seems to be OK even with parameter.. n. Ok. Is chkdsk outside the preboot environment working okay on the bad host? -- error compiling

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Nikola Ciprich
Ok. Is chkdsk outside the preboot environment working okay on the bad host? I'll check, give me some time, I'll have to add another large volume which I can check while the system is up.. in the meantime, on hosts, I noticed following messages: [322172.007569] kvm: 17743: cpu1 unhandled wrmsr:

Re: kernel BUG at arch/x86/kvm/mmu.c:655!

2011-01-09 Thread Avi Kivity
On 01/07/2011 10:43 PM, Tomasz Chmielewski wrote: The following happened when I tried to reboot a virtual machine (host running qemu 0.13.0, kernel 2.6.36.2). After a while, the server hanged and was no longer reachable. kvm: 3927: cpu0 unhandled wrmsr: 0x198 data 0 kvm: 3927: cpu1 unhandled

Re: kernel BUG at arch/x86/kvm/mmu.c:655!

2011-01-09 Thread Tomasz Chmielewski
On 09.01.2011 17:25, Avi Kivity wrote: On 01/07/2011 10:43 PM, Tomasz Chmielewski wrote: The following happened when I tried to reboot a virtual machine (host running qemu 0.13.0, kernel 2.6.36.2). After a while, the server hanged and was no longer reachable. kvm: 3927: cpu0 unhandled wrmsr:

Re: kernel BUG at arch/x86/kvm/mmu.c:655!

2011-01-09 Thread Avi Kivity
On 01/09/2011 07:05 PM, Tomasz Chmielewski wrote: On 09.01.2011 17:25, Avi Kivity wrote: On 01/07/2011 10:43 PM, Tomasz Chmielewski wrote: The following happened when I tried to reboot a virtual machine (host running qemu 0.13.0, kernel 2.6.36.2). After a while, the server hanged and was no

Bandwidth in KVM VM with OpenBSD

2011-01-09 Thread Daniel Bareiro
Hi all! I'm using an OpenBSD VM with qemu-kvm 0.12.5 (Debian repositories) and Linux 2.6.34.5 compiled with the kernel.org sources. I'm seeing a important difference in the bandwidth when I make a transfer to or from a OpenBSD VM. Here are some results: bsd:~# iperf -s

Re: [PATCH 04/35] Add broadcast option for mce command

2011-01-09 Thread Jan Kiszka
Am 06.01.2011 18:56, Marcelo Tosatti wrote: From: Jin Dongming jin.dongm...@np.css.fujitsu.com When the following test case is injected with mce command, maybe user could not get the expected result. DATA command cpu bank status mcg_status addr misc

Re: qemu-kvm-0.13.0 - winsows 2008 - chkdisk too slow

2011-01-09 Thread Nikola Ciprich
Hi Avi, sorry it took so long. running chkdsk from windows is OK, runs pretty fast. so there must be something different in this preboot environment. n. On Sun, Jan 09, 2011 at 04:15:19PM +0100, Nikola Ciprich wrote: Ok. Is chkdsk outside the preboot environment working okay on the bad host?

Qemu-kvm Build fail with function 'cirrus_bitblt_start' on RHEL5 system

2011-01-09 Thread Hao, Xudong
Qemu-kvm commit 92d675d1c1f23f3617e24b63c825074a1d1da44b changed sx, dx and others variables into a judgement, there was a build failure on RHEL5 system. ... CCx86_64-softmmu/debugcon.o cc1: warnings being treated as errors /workspace/ia32-pae/nightly/qemu-kvm/hw/cirrus_vga.c: In function

Re: Qemu-kvm Build fail with function 'cirrus_bitblt_start' on RHEL5 system

2011-01-09 Thread aurel...@aurel32.net
On Mon, Jan 10, 2011 at 10:05:17AM +0800, Hao, Xudong wrote: Qemu-kvm commit 92d675d1c1f23f3617e24b63c825074a1d1da44b changed sx, dx and others variables into a judgement, there was a build failure on RHEL5 system. ... CCx86_64-softmmu/debugcon.o cc1: warnings being treated as

Re: [Autotest] [PATCH] KVM test: Fix typos in ethtool

2011-01-09 Thread Amos Kong
On Fri, Jan 07, 2011 at 01:21:09PM -0200, Lucas Meneghel Rodrigues wrote: Signed-off-by: Lucas Meneghel Rodrigues l...@redhat.com --- client/tests/kvm/tests/ethtool.py |6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/client/tests/kvm/tests/ethtool.py