Michael S. Tsirkin m...@redhat.com wrote on 04/29/2010 06:45:15 AM:
On Wed, Apr 28, 2010 at 01:57:12PM -0700, David L Stevens wrote:
This patch adds mergeable receive buffer support to vhost_net.
Signed-off-by: David L Stevens dlstev...@us.ibm.com
I have applied this, thanks very much!
Hello,
I came across a message someone posted elsewhere at
http://article.gmane.org/gmane.comp.emulators.qemu/66135 while trying to
determine why Windows XP and 2003 guest machines are not installing
under Fedora 13 Beta. I would think others have run into this problem,
but see no discussion in
On Wed, Apr 28, 2010 at 10:19:37AM -0700, K D wrote:
Am using yahoo mail and my mails to this mailer gets rejected every time
saying message has HTML content etc. Should I use some other mail tool? Below
is my issue.
I am trying to get KVM/qemu running on linux. I compiled 2.6.27.10 by
On Wed, Apr 28, 2010 at 04:47:14PM +0300, Avi Kivity wrote:
Currently we run with EFER.NX=1 on the guest even if the guest value is 0.
This is fine with shadow, since we check bit 63 when instantiating a page
table, and fault if bit 63 is set while EFER.NX is clear.
This doesn't work with
shacky wrote:
Hi.
Is it possible to have 32-bit color graphic on KVM virtual machines?
I installed a Windows virtual machine, but it allows me to configure
only 24-bit color display and it does not have any display driver
installed.
24-bit means 8 bits per RGB channel. 32-bit means 8 bits per
When the host enables XSAVE/XRSTOR, the patch exposes the XSAVE/XRSTOR
related CPUID leaves to guest by fixing up kvm_emulate_cpuid() and the
patch allows guest to set CR4.OSXSAVE to enable XSAVE.
The patch adds per-vcpu host/guest xstate image/mask and enhances the
current FXSAVE/FRSTOR with the
On 04/30/2010 05:25 AM, Lai Jiangshan wrote:
It's unrelated to TDP, same issue with shadow. I think the calculation
is correct. For example the 4th spte for a level=2 page will yield
gfn=4*512.
Avi, Marcelo
Thank you very much.
The calculation I used is correct.
Yes. btw, can
On 04/30/2010 12:00 PM, Xiao Guangrong wrote:
It has race in invlpg code, like below sequences:
A: hold mmu_lock and get 'sp'
B: release mmu_lock and do other things
C: hold mmu_lock and continue use 'sp'
if other path freed 'sp' in stage B, then kernel will crash
This patch checks 'sp'
Hello,
i'm new on this list and hope this topic isn't discuss several times before.
I use kvm with proxmox ve and kvm work very well, but the io-performance
with windows-guests is only good with one (guest)cpu.
The testings are based on kvm 0.12.3 (with the same result on 0.11.1).
Here is my
On 04/30/2010 12:03 PM, Xiao Guangrong wrote:
Allow new shadow page become unsync when is created, then we no need
write-protect the 'sp-gfn', this idea is from Avi:
|Another interesting case is to create new shadow pages in the unsync
|state. That can help when the guest starts a short lived
On 04/30/2010 11:54 AM, Lai Jiangshan wrote:
Avi Kivity wrote:
On 04/30/2010 05:25 AM, Lai Jiangshan wrote:
It's unrelated to TDP, same issue with shadow. I think the calculation
is correct. For example the 4th spte for a level=2 page will yield
gfn=4*512.
Avi,
On 04/28/2010 07:15 PM, Gleb Natapov wrote:
This is the next round of emulator cleanups. Make it even more detached
from kvm. First patch introduces IO read cache which is needed to
correctly emulate instructions that require more then one IO read exit
during emulation.
Reviewed-by: Avi
On 04/28/2010 12:21 PM, Gleb Natapov wrote:
On Wed, Apr 28, 2010 at 12:11:41PM +0300, Avi Kivity wrote:
On 04/27/2010 03:15 PM, Gleb Natapov wrote:
Return error to x86 emulator instead of injection exception behind its back.
Signed-off-by: Gleb Natapovg...@redhat.com
---
On Thu, Apr 29, 2010 at 12:29:40PM -0700, Tom Lyon wrote:
Michael, et al - sorry for the delay, but I've been digesting the comments
and researching new approaches.
I think the plan for V4 will be to take things entirely out of the UIO
framework, and instead have a driver which supports
Hi there,
I have ported Linux KVM to the Microsoft Windows XP and already succeeded in
executing Linux guest OS which is attached in QEMU. I have named this virtual
machine WinKVM.
I introduced a daring and original means to develop WinKVM. More specifically,
I implemented a software abstraction
Avi,
This patch breaks WinVista.64 install.
On Wed, Apr 28, 2010 at 04:47:19PM +0300, Avi Kivity wrote:
When EPT is enabled, we cannot emulate EFER.NX=0 through the shadow page
tables. This causes accesses through ptes with bit 63 set to succeed instead
of failing a reserved bit check.
On 04/30/2010 08:37 PM, Marcelo Tosatti wrote:
Avi,
This patch breaks WinVista.64 install.
Please back it out then (the entire patchset).
--
Do not meddle in the internals of kernels, for they are subtle and quick to
panic.
--
To unsubscribe from this list: send the line unsubscribe
On Wed, Apr 28, 2010 at 01:57:12PM -0700, David L Stevens wrote:
This patch adds mergeable receive buffer support to vhost_net.
Signed-off-by: David L Stevens dlstev...@us.ibm.com
I have applied this, thanks very much!
I have also applied some tweaks on top,
please take a look.
Thanks,
MSt
On Wed, Apr 28, 2010 at 07:57:01PM +0800, Lai Jiangshan wrote:
I think users will enable tdp when their hardwares support ept or npt.
This patch can reduce about 50% kvm mmu memory usage for they.
This simple patch use the fact that:
When sp-role.direct is set, sp-gfns does not contain
On 04/29/2010 09:09 PM, Marcelo Tosatti wrote:
You missed quadrant on 4mb large page emulation with shadow (see updated
patch below).
Good catch.
Also for some reason i can't understand the assumption
does not hold for large sptes with TDP, so reverted for now.
It's unrelated to TDP,
Hi Experts,
I have successfully used VD-t pci passthrough for PCI-E based NICs in KVM.
I'm trying to pass a PCI-E x8 MegaRaid 9240 SAS raid card to a KVM guest.
However, the device driver in the guest can't initialize the Card. It seems that
the driver is trying to RESET the card, however,
On Wed, Apr 28, 2010 at 01:57:12PM -0700, David L Stevens wrote:
This patch adds mergeable receive buffer support to vhost_net.
Signed-off-by: David L Stevens dlstev...@us.ibm.com
You can find the latest version on the following net-next based tree:
On 04/30/2010 12:05 PM, Xiao Guangrong wrote:
If 'oos_shadow' == 0, intercepting invlpg command is really
unnecessary.
And it's good for us to compare the performance between enable 'oos_shadow'
and disable 'oos_shadow'
@@ -74,8 +74,9 @@ static int dbg = 0;
module_param(dbg, bool, 0644);
On Thu, Apr 29, 2010 at 09:43:40PM +0300, Avi Kivity wrote:
On 04/29/2010 09:09 PM, Marcelo Tosatti wrote:
You missed quadrant on 4mb large page emulation with shadow (see updated
patch below).
Good catch.
Also for some reason i can't understand the assumption
does not hold for large
On 04/28/2010 10:33 PM, Adam Greenblatt wrote:
Hi,
I noticed that certain guests (for example, Ubuntu 9.04, Ubuntu 9.10,
and the Ubuntu 10.04 release candidate) show dramatically (~100x) slower
graphical output when running under qemu-kvm-0.12.1.1 than under
qemu-kvm-0.11.1.
Other guests,
Dear KVM developers,
I'm currently working on an open source security patch to use KVM to
implement code verification on a guest VM in runtime. Thus, it would be
very helpful if someone can point to me the right function or place to
look at for adding 2 hooks into the KVM paging code to:
1.
On 04/29/2010 02:22 AM, Marcelo Tosatti wrote:
On Wed, Apr 28, 2010 at 04:47:14PM +0300, Avi Kivity wrote:
Currently we run with EFER.NX=1 on the guest even if the guest value is 0.
This is fine with shadow, since we check bit 63 when instantiating a page
table, and fault if bit 63 is set
Signed-off-by: Avi Kivity a...@redhat.com
---
Documentation/kvm/api.txt | 12
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index 0f96e52..159b4ef 100644
--- a/Documentation/kvm/api.txt
+++
On 04/28/2010 11:08 PM, Axel Kittenberger wrote:
Hello,
This is a question I was not able to answer with a search. I've been
using kvm now quite successfully as server side solution. Now I want
to use it on a particular desktop to have a Windows 7 Guest on a
native Linux system. Well this
I profiled all executions of
qemu_mutex_lock_iothread(), and found that
it only protects the vl.c:main_loop_wai() thread but does NOT protect
the qemu-kvm.c:kvm_cpu_exec() thread. Did I miss something or is this
a defect?
Hi again, I took another look at qemu-kvm 0.12.3 and here is how I
Michael, et al - sorry for the delay, but I've been digesting the comments and
researching new approaches.
I think the plan for V4 will be to take things entirely out of the UIO
framework, and instead have a driver which supports user mode use of
well-behaved PCI devices. I would like to use
You are absolute right and this solved the puzzle. I also did
profiling to confirm your observation. Thank you for all the help!
Hi again, I took another look at qemu-kvm 0.12.3 and here is how I read it:
The mutex which is supposed to protect IO emulation is qemu-kvm.c:qemu_mutex.
The cpu
Per document, for feature control MSR
Bit 1 enables VMXON in SMX operation. If the bit is clear, execution of VMXON
in SMX operation causes a general-protection exception.
Bit 2 enables VMXON outside SMX operation. If the bit is clear, execution of
VMXON outside SMX operation causes a
Hi everyone,
KVM-0.12.3 and the latest version from the git repository no longer
support the '--no-kvm' option. This seems to be related to virt-io and
the boot=on flag. The last version that this worked in to my knowledge
was KVM-0.11.0. Many distributions don't include straight QEMU
versions
On Wed, Apr 28, 2010 at 11:55:49AM +0800, Xiao Guangrong wrote:
In current code, shadow page can become asynchronous only if one
shadow page for a gfn, this rule is too strict, in fact, we can
let all last mapping page(i.e, it's the pte page) become unsync,
and sync them at invlpg or flush tlb
Is this possible with kvm?
Either simulate a dual head mapping to one wide SDL/VNC display. Or
having two SDL/VNC displays?
No. It was brought up before on the qemu list I believe. I think the gist was
that qemu didn't support more than one vga card.
Spice (www.spice-space.org) can do
I've a bugreport handy, see
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=575439
about the apparent problem booting winNT 4 in kvm 0.12.
At least 2 people were hit by this issue. In short, when
booting winNT 4.0, it BSODs with error code 0x001E,
which means inaccessible boot device.
Note
On Tue, Apr 27, 2010 at 03:57:42PM +0300, Naphtali Sprei wrote:
changes v1 - v2
single trailing whitespace cleanup
Cleanup, mostly x86 oriented.
Patches against 'next' branch.
Naphtali Sprei (3):
qemu-kvm tests cleanup
qemu-kvm tests cleanup: adapt stringio test to kernel-mode run
01.05.2010 00:06, Michael Tokarev wrote:
I've a bugreport handy, see
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=575439
about the apparent problem booting winNT 4 in kvm 0.12.
At least 2 people were hit by this issue. In short, when
booting winNT 4.0, it BSODs with error code 0x001E,
Apparently with current kvm stable (0.12.3)
Windows NT 4.0 does not install anymore.
With default -cpu, it boots, displays the
Inspecting your hardware configuration
message and BSODs with STOP: 0x003E
error as shown here:
http://www.corpit.ru/mjt/winnt4_1.gif
With -cpu pentium the
I forgot to mention that I am using qemu-kvm-0.12.3 on all of my machines.
I am also using bridged networking on all hosts.
Is anyone else on the list doing life migration and is facing the same
problems I mentioned below?
I would really like to debug this further but I need some assistance on
This module contains code to postprocess IOzone data
in a convenient way so we can generate performance graphs
and condensed data. The graph generation part depends
on gnuplot, but if the utility is not present,
functionality will gracefully degrade.
The reason why this was created as a separate
Using the postprocessing module introduced on the previous
patch, use it to analyze results and write performance
graphs and performance tables.
Signed-off-by: Lucas Meneghel Rodrigues l...@redhat.com
---
client/tests/iozone/iozone.py | 24 +++-
1 files changed, 19
I'm slightly surprised this isn't called from postprocess
in the test? Any downside to doing that?
On Fri, Apr 30, 2010 at 2:20 PM, Lucas Meneghel Rodrigues
l...@redhat.com wrote:
This module contains code to postprocess IOzone data
in a convenient way so we can generate performance graphs
and
On Fri, 2010-04-30 at 14:23 -0700, Martin Bligh wrote:
I'm slightly surprised this isn't called from postprocess
in the test? Any downside to doing that?
In the second patch I do the change to make the test to use the
postprocessing module.
On Fri, Apr 30, 2010 at 2:20 PM, Lucas Meneghel
01.05.2010 00:59, Michael Tokarev wrote:
Apparently with current kvm stable (0.12.3)
Windows NT 4.0 does not install anymore.
With default -cpu, it boots, displays the
Inspecting your hardware configuration
message and BSODs with STOP: 0x003E
error as shown here:
On Fri, Apr 30, 2010 at 2:37 PM, Lucas Meneghel Rodrigues
l...@redhat.com wrote:
On Fri, 2010-04-30 at 14:23 -0700, Martin Bligh wrote:
I'm slightly surprised this isn't called from postprocess
in the test? Any downside to doing that?
In the second patch I do the change to make the test to
Bugs item #2980197, was opened at 2010-03-31 19:45
Message generated for change (Settings changed) made by sf-robot
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=893831aid=2980197group_id=180599
Please note that this message will contain a full copy of the comment
48 matches
Mail list logo
