Re: [Qemu-discuss] Getting The Performance monitoring interrupt fired

2017-02-10 Thread Bandan Das
Parfait Tokponnon <parfait.tokpon...@gmail.com> writes: > Hello Bandan, > Thank you for your reply; > > 2017-02-07 0:14 GMT+01:00 Bandan Das <b...@makefile.in>: > >> KVM implements a subset but I think this should work. Could it be that >> interrupts >&

Re: [Qemu-discuss] qemu 2.8.50 Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed

2017-02-03 Thread Bandan Das
"Matwey V. Kornilov" writes: ... I think this means that KVM gave you a list of msrs but when you tried to set them, it could not set all of them and hence, the assert triggers. Are you using a modified kernel ? There could be something useful

Re: [Qemu-discuss] qemu 2.8.50 Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed

2017-02-02 Thread Bandan Das
"Matwey V. Kornilov" <matwey.korni...@gmail.com> writes: > 2017-02-03 0:13 GMT+03:00 Bandan Das <b...@makefile.in>: >> "Matwey V. Kornilov" <matwey.korni...@gmail.com> writes: >> >>> 02.02.2017 22:36, Matwey V. Kornilov пишет: >&

Re: [Qemu-discuss] qemu 2.8.50 Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed

2017-02-02 Thread Bandan Das
"Matwey V. Kornilov" writes: > 02.02.2017 22:36, Matwey V. Kornilov пишет: >> >> Hello, >> >> I see the following when try to run qemu from master as the following: >> >> # ./x86_64-softmmu/qemu-system-x86_64 --version >> QEMU emulator version 2.8.50

Re: [Qemu-discuss] setting only x86_64 arch for qemu build (newbie)

2017-01-08 Thread Bandan Das
> On Jan 8, 2017, at 8:46 AM, Kevin Wilson wrote: > > Hi, all, > How do I set usage of only x86_64 arch for qemu build (newbie)? > ./configure —target-list=x86_64-softmmu > when I build the project after some trivial change in code (adding > debug message), I see > that

Re: [Qemu-discuss] Boot fail after compiling the Kernel.

2016-07-28 Thread Bandan Das
> On Jul 28, 2016, at 10:16 PM, John Y. wrote: > > Hi, > > I have a centos 5.8 guest with 2.6.18 kernel. > I compiled the kernel 2.6.35.4 and boot from it. > > (It could boot successfully in my labtop, but fail in guest created by > qemu-kvm) > But I get errors: > >

Re: [Qemu-discuss] Windows-10 virtualization and nested virtualization

2016-04-04 Thread Bandan Das
Jeff Forbes writes: > We have a Windows-10 application which uses a virtual as part of the > process. I am trying to get the application to work in a virtual > environment, which of course will require nested virtualization. > > Using a libvirt xml description

Re: [Qemu-discuss] Qemu "-cpu host" option

2015-11-26 Thread Bandan Das
> On Nov 26, 2015, at 12:33 PM, Abhinav Sharma wrote: > > Hi, > What does Qemu do when invoked using "-cpu host" option that sets target CPU > same as the host CPU? > > Is it that when this option is used Qemu performs no binary translation? > Because the target CPU

Re: [Qemu-discuss] Supported hypervisors running VMs in nested VM

2015-10-12 Thread Bandan Das
ightenment msrs which ofcourse traps to L0. But we might not be doing the right thing with them. (Just a guess) Thank you for keeping us posted! > http://www.cs.inf.ethz.ch/stricker/lab/doc/intel-part4.pdf > > Sincerely, > Roel Brook > > > 2015-10-08 23:26 GMT+02:00 Bandan D

Re: [Qemu-discuss] Supported hypervisors running VMs in nested VM

2015-10-08 Thread Bandan Das
elp so far. BTW you are mixing up cases by using/not using "-enable-kvm" in your command line. What I mentioned is specific to kvm only, qemu probably will always return a 0 for certain msrs (like this one). > Roel Brook > > > > > 2015-10-07 5:07 GMT+02:00 Bandan Das <b

Re: [Qemu-discuss] Supported hypervisors running VMs in nested VM

2015-10-06 Thread Bandan Das
in your case). When L1 runs L2, you don’t have to worry about using —enable-kvm. Hyper-V should automatically detect available hardware features available to it and attempt to enable hardware virtualization. > Sincerely, > Roel Brook. > > 2015-10-05 23:17 GMT+02:00 Bandan Das <b...@m

Re: [Qemu-discuss] Supported hypervisors running VMs in nested VM

2015-10-05 Thread Bandan Das
sts.gnu.org/archive/html/qemu-devel/2015-01/msg01371.html. > I guess it really IS important to know what you're googling for to > find things fast... > > That thread simply says that the kernel is too old. Well, my host is > running 4.2, so should be new enough. > I'm a bit

Re: [Qemu-discuss] Supported hypervisors running VMs in nested VM

2015-10-03 Thread Bandan Das
... > Windows 2012 / 2016 technical preview 3 > > The installation via the "default" method of Add/Remove Features does > not work. Hyper-V displays the error message "A hypervisor is already > running". > > This check can be skipped by

Re: [Qemu-discuss] Unable to find any system Interface(s) -qemu-2.30 RHEL 7.1

2015-07-16 Thread Bandan Das
Rapelly, Varun vrape...@sonusnet.com writes: Hi, I'm using following command line arguments to launch the KVM. KVM launches successfully, but during boot process, it displays Unable to find any System Iterface(s), udevd[3393]: starting version 175 message, and it hangs there only.

Re: [Qemu-discuss] run vxworks on kvm fail

2015-07-15 Thread Bandan Das
2020human human2...@qq.com writes: Hello I am run vxworks on kvm , My vxworks is bootable ISO, this iso working vmware no problem，but the ISO can not start in the KVM. What version is the kernel version on the host ? Can you try latest upstream - 4.1 maybe ? Bandan error log:

Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-06-08 Thread Bandan Das
,host=04:02.4,id=hostdev0,bus=pci.0,addr=0x7,rombar=0: Device 'vfio-pci' could not be initialized' I am out of ideas :P Thank you 2015-05-27 18:38 GMT-07:00 Bandan Das b...@makefile.in: On May 22, 2015, at 4:50 PM, Gabriel Laupre glau...@gmail.com wrote: I have something new

Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-05-22 Thread Bandan Das
think this should be enough to spit out the error, there's no need to actually boot a guest image. 2015-05-22 10:46 GMT-07:00 Bandan Das b...@makefile.in: Gabriel Laupre glau...@gmail.com writes: Thanks for the update. Did you get a chance to run qemu standalone without libvirt? How can I

Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-05-22 Thread Bandan Das
are interested and I will write down the steps. 2015-05-21 13:32 GMT-07:00 Bandan Das b...@makefile.in: Gabriel Laupre glau...@gmail.com writes: AppArmor is Debian based, but that doesn't stop you from running/installing it on other distros $ dmesg | grep apparmor The service isn't started nor

Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-05-21 Thread Bandan Das
: AppArmor is Debian based, but that doesn't stop you from running/installing it on other distros $ dmesg | grep apparmor On 05/20/2015 02:56 PM, Bandan Das wrote: Gabriel Laupre glau...@gmail.com writes: Mmmhh, My SELinux is disabled. Is Apparmor not only on debian/ubuntu and suse, am

Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-05-20 Thread Bandan Das
Oh and one more thing! You already answered before but just wanted to confirm that you don't have apparmor running, right ? Bandan Das b...@makefile.in writes: Gabriel Laupre glau...@gmail.com writes: Yes, indeed it is. What distro is this ? Do you have SELinux or any other security feature

Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-05-20 Thread Bandan Das
Gabriel Laupre glau...@gmail.com writes: Mmmhh, My SELinux is disabled. Is Apparmor not only on debian/ubuntu and suse, am I wrong? I have no idea on that :) Yeah, me neither :) I am just trying to rule out all possibilities. 2015-05-20 11:23 GMT-07:00 Bandan Das b...@makefile.in: Oh

Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-05-20 Thread Bandan Das
a appropriate label if SELinux is enabled ? (ls -lZ /dev/vfio/vfio) Bandan 2015-05-19 18:54 GMT-08:00 Bandan Das b...@makefile.in: Hello Gabriel, On May 19, 2015, at 8:03 PM, Gabriel Laupre glau...@gmail.com wrote: Hello everyone, I am using a Centos 7.1 machine with the kernel

Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-05-19 Thread Bandan Das
? (ls -lZ /dev/vfio/vfio) Bandan 2015-05-19 18:54 GMT-08:00 Bandan Das b...@makefile.in: Hello Gabriel, On May 19, 2015, at 8:03 PM, Gabriel Laupre glau...@gmail.com wrote: Hello everyone, I am using a Centos 7.1 machine with the kernel 3.10.229. I want to use my host

Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-05-19 Thread Bandan Das
Hello Gabriel, On May 19, 2015, at 8:03 PM, Gabriel Laupre glau...@gmail.com wrote: Hello everyone, I am using a Centos 7.1 machine with the kernel 3.10.229. I want to use my host with SR-IOV to use a virtual function on my NIC as the vNIC in my new VM. I have an instance started

Re: [Qemu-discuss] linux: ioctl(KVM_CREATE_VM) failed: 12 Cannot allocate memory

2015-02-26 Thread Bandan Das
On Feb 26, 2015, at 9:12 PM, Ken Moffat zarniwh...@ntlworld.com wrote: I had kvm working fine (i686 guest) from a new x86_64 host system - after fixing up some Xorg server issues - and then I decided to create a new x86_64 guest (this is linuxfromscratch, so using an old guest to build a