On Fri, 10/09 11:25, charlie.song wrote:
> At 2015-10-08 23:37:02, "Fam Zheng" wrote:
> >On Thu, 10/08 19:59, charlie.song wrote:
> >> Dear KVM Developers:
> >> I am Xiang Song from UCloud company. We currently encounter a weird
> >> phenomenon
On Thu, 10/08 19:59, charlie.song wrote:
> Dear KVM Developers:
> I am Xiang Song from UCloud company. We currently encounter a weird
> phenomenon about Qemu-KVM IOthread.
> We recently try to use Linux AIO from guest OS and find that the IOthread
> mechanism of Qemu-KVM will reorder I/
On Tue, 09/15 10:11, Houcheng Lin wrote:
> From: Houcheng
Thanks for sending patches! Please include qemu-de...@nongnu.org list for QEMU
changes.
Fam
>
> This patch is to build qemu in android ndk tool-chain, and has been tested in
> both
> x86_64 and x86 android platform with hardware virtu
This will allow up to DISK_MAX_PARTS (256) partitions, with for example
GPT in the guest. Otherwise, the partition scan code will only discover
the first 15 partitions.
Signed-off-by: Fam Zheng
---
drivers/block/virtio_blk.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/block
io/virtio/v1.0/csprd01/virtio-v1.0-csprd01.html#x1-870001
Thanks,
Fam
>
> Thank you,
> Pavel
>
> On 07/12/2015 05:31 PM, Fam Zheng wrote:
> >On Fri, 07/10 22:34, Pavel Davydov wrote:
> >>Hello,
> >>
> >>I've got the following problem with KVM:
&g
On Fri, 07/10 22:34, Pavel Davydov wrote:
> Hello,
>
> I've got the following problem with KVM:
>
> I'm running a proprietary OS under KVM, the OS is neither Linux/Unix, nor
> Windows, and I don't get any IRQs from Virtio device. The Virtio device in
> the system I'm running is a PCI Ethernet dev
On Mon, 02/02 14:25, kbuild test robot wrote:
> drivers/vhost/scsi.c:1081:5: sparse: symbol 'vhost_skip_iovec_bytes' was not
> declared. Should it be static?
>
> Signed-off-by: Fengguang Wu
> ---
> scsi.c |2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vhost
On Thu, 01/29 16:51, Kun Cheng wrote:
> Hey guys,
Hi!
>
> That might be a dumb question, but currently I find myself unable to
> clearly explain that to others. As we all know how CPU and memory is
> virtualised, and how memory address space is translated using the
> shadow page table or EPT, t
On Fri, 01/23 17:21, Stefan Hajnoczi wrote:
> Dear libvirt, KVM, and QEMU contributors,
> The Google Summer of Code season begins soon and it's time to collect
> our thoughts for mentoring students this summer working full-time on
> libvirt, KVM, and QEMU.
>
> What is GSoC?
> Google Summer of Code
On Mon, 12/22 20:21, Zhang Haoyu wrote:
>
> On 2014/12/22 20:05, Paolo Bonzini wrote:
> >
> >
> > On 22/12/2014 12:40, Zhang Haoyu wrote:
> >> On 2014/12/22 17:54, Paolo Bonzini wrote:
> >>>
> >>>
> >>> On 22/12/2014 10:48, Zhang Haoyu wrote:
> Hi,
>
> I cannot receive qemu-dev/kv
On Mon, 09/22 21:23, Zhang Haoyu wrote:
> >
> >Amit,
> >
> >It's related to the big number of ioeventfds used in virtio-serial-pci. With
> >virtio-serial-pci's ioeventfd=off, the performance is not affected no matter
> >if
> >guest initializes it or not.
> >
> >In my test, there are 12 fds to poll
On Tue, 09/02 12:06, Amit Shah wrote:
> On (Mon) 01 Sep 2014 [20:52:46], Zhang Haoyu wrote:
> > >>> Hi, all
> > >>>
> > >>> I start a VM with virtio-serial (default ports number: 31), and found
> > >>> that virtio-blk performance degradation happened, about 25%, this
> > >>> problem can be repro
On Wed, 05/21 05:40, Liu, RongrongX wrote:
> Hi,
>
> After download the latest
> qemu.git(http://git.qemu.org/?p=qemu.git;a=summary), then compile the
> qemu.git, it will build fail with error
>
> Some build log
>
> CCtrace/generated-events.o
> CCtrace/generated-tracers.o
>
t 10.0.2.15 port 22: Connection timed out
Ugh, you totally missed it, neither 10.0.2.15 nor 22 is in ssh's business.
Should be something like, depending on your hostfwd port:
ssh username@127.0.0.1 -p
Fam
>
>
> On Tue, Apr 15, 2014 at 2:25 PM, Fam Zheng wrote:
> >
ry
> to ssh; the IP I used to ssh is 10.0.2.15, which according to man
> qemu-system-x86_64 is the IP assigned to the first VM booted if static IP
> is not assigned. And now there is no internet connection on the guest.
That means you have to create a device. Add an "-net nic".
or:
>
> qemu-system-x86_64: -net user,hostfwd=tcp::-:8001: could not set
> up host forwarding rule 'tcp::-:8001'
> qemu-system-x86_64: -net user,hostfwd=tcp::-:8001: Device 'user'
> could not be initialized
Is the port busy? What does "nets
On Mon, 04/14 17:14, Jobin Raju George wrote:
> Hey!
>
> How do I setup ssh from the host to the guest using qemu?
>
> 1) I am able to use port redirection when I boot the VM without any
> special parameter(explained in point 2) as follows:
>
> /usr/bin/qemu-system-x86_64 -hda ubuntu1204 -m 512
kill init!
exitcode=0x0009
Signed-off-by: Fam Zheng
Acked-by: Paolo Bonzini
Cc: sta...@vger.kernel.org
---
drivers/scsi/virtio_scsi.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 16bfd50..3019267 10
kill init!
exitcode=0x0009
Signed-off-by: Fam Zheng
---
drivers/scsi/virtio_scsi.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 16bfd50..3019267 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/dr
On Fri, 03/21 17:41, Jason Wang wrote:
> This patch adds simple python to display vhost satistics of vhost, the codes
> were based on kvm_stat script from qemu. As work function has been recored,
> filters could be used to distinguish which kinds of work are being executed or
> queued:
>
> vhost s
On Wed, 04/02 11:32, saurabh agarwal wrote:
> We have compiled a new linux kernel for a guest VM with
> CONFIG_VIRTIO_BLK=y. But it doesn't boot and kernel panics. To kernel
> command line I tried passing root=/dev/vda and root=/dev/vda1 but same
> kernel panic comes every time. VIRTIO_NET worked f
On Fri, 03/14 02:00, Shivaramakrishnan Vaidyanathan wrote:
> Hello Fam,
> Thanks a lot to your reply.
> I think I needed to bit more clear in my explanation.
> Here is my requirement:
> At first,I have a guest vm with its virtual disk performing no storage
> intrusion detection running on top of
According to SPC-4, section 4.5.2.1, 252 is the limit of sense data. So
increase the values.
Tested by hacking QEMU to fake virtio-scsi request sense len to 252.
Without this patch the driver stops working immediately when it gets the
request.
Signed-off-by: Fam Zheng
---
include/linux
On Fri, 03/14 04:46, Shiva wrote:
> Hello,
> I am working on building an Storage Intrusion Detection System(SIDS) App
>
> inside a VM on KVM hypervisor.
>
> I wanted I/O's from other vm's to first contact this App VM and
>
> then finally write to the disk.I went with the network storage as
>
On Thu, 03/06 12:55, Paolo Bonzini wrote:
> Il 06/03/2014 12:22, Hannes Reinecke ha scritto:
> >On 03/06/2014 11:09 AM, Paolo Bonzini wrote:
> >>Il 06/03/2014 09:47, Fam Zheng ha scritto:
> >>>According to SPC-4, section 4.5.2.1, 252 is the limit of sense
> &g
On Thu, 03/06 11:09, Paolo Bonzini wrote:
> Il 06/03/2014 09:47, Fam Zheng ha scritto:
> >According to SPC-4, section 4.5.2.1, 252 is the limit of sense data. So
> >increase the value.
> >
> >Signed-off-by: Fam Zheng
> >---
> > include/linux/virtio_scsi.h
According to SPC-4, section 4.5.2.1, 252 is the limit of sense data. So
increase the value.
Signed-off-by: Fam Zheng
---
include/linux/virtio_scsi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/virtio_scsi.h b/include/linux/virtio_scsi.h
index 4195b97
On Fri, 02/07 15:01, Fam Zheng wrote:
> I'd like to add persistent dirty bitmap as an idea but I seem to have no
> account on wiki, so I'll just reply here, please help with review and update
> the page if it makes sense. (Who could create an account for me, BTW?)
Now I'
ntal backup]
[http://lists.nongnu.org/archive/html/qemu-devel/2014-01/msg02156.html QMP:
Introduce incremental drive-backup with in-memory dirty bitmap]
Details:
Skill level: intermediate
Language: C
Mentors: Fam Zheng (fam on IRC),
Stefan Hajnoczi (stefanha on IRC)
Thanks,
Fam
--
On 2013年12月04日 07:47, RB wrote:
On Tue, Dec 3, 2013 at 4:26 PM, CDR wrote:
In Fedora 20
rpm -qa | grep qemuqemu-img convert -O qcow2 Neustar-flat.vmdk
/home/neustar.qcow2-img
qemu-img-1.6.1-2.fc20.x86_64
but when I try to boot with the image, it fails. Please see the image attached.
So the conv
On Mon, 10/14 02:18, Wangshen (Peter) wrote:
>
>
> on Sunday, October 13, 2013 9:27 PM, Paolo Bonzini wrote:
> > Il 12/10/2013 08:09, Soumendu Satapathy (sosatapa) ha scritto:
> > > Do we have an equivalent of vmware SIOC like feature in KVM?
> >
> > Yes, you have two choices:
> >
> > 1) use cg
On Mon, 10/14 02:13, Andrey Korolyov wrote:
> Hello,
>
> By the way, is there plans to enhance qemu I/O throttling to able to
> swallow peaks or to apply various disciplines? Current one-second flat
> discipline seemingly is not enough for uneven workloads especially
> when there is no alternative
On Wed, 08/21 22:49, g.da...@assyoma.it wrote:
> On 2013-08-21 21:40, Brian Jackson wrote:
> >On Wednesday, August 21, 2013 6:02:31 AM CDT, g.da...@assyoma.it
> >wrote:
> >>Hi all,
> >>I have a question about Linux KVM HA cluster.
> >>
> >>I understand that in a HA setup I can live migrate virtual
MIT Lincoln Laboratory
> Group 59 (Cyber Systems Assessment)
> Ph: (781) 981-4173
>
>
>
>
>
> On 8/14/13 8:16 AM, "Fam Zheng" wrote:
>
> >On Wed, 08/14 07:29, Spensky, Chad - 0559 - MITLL wrote:
> >> Stefan, Fam,
> >>
> >&g
" wrote:
>
> >On Wed, Aug 14, 2013 at 10:40:06AM +0800, Fam Zheng wrote:
> >> On Tue, 08/13 16:13, Spensky, Chad - 0559 - MITLL wrote:
> >> > Hi All,
> >> >
> >> > I'm working with some disk introspection on KVM, and we tr
On Tue, 08/13 16:13, Spensky, Chad - 0559 - MITLL wrote:
> Hi All,
>
> I'm working with some disk introspection on KVM, and we trying to create
> a shadow image of the disk. We've hooked the functions in block.c, in
> particular bdrv_aio_writev. However we are seeing writes go through,
> pausi
On Fri, 06/28 22:36, Ken Roberts wrote:
>
>
> On Jun 28, 2013, at 3:39 AM, Paolo Bonzini wrote:
>
> > Il 28/06/2013 03:01, Ken Roberts ha scritto:
> More details on "not bootable" would be nice. Do you get a blue screen?
> Seabios screen? You may need to prep the image before you con
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