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Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 0.1


From: Vadim Rozenfeld
Subject: Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 0.15
Date: Wed, 08 Feb 2012 02:47:28 -0500 (EST)

I'm afraid to give you any recommendations regarding QEMU stability.
I usually work with qemu-kvm repository. But we are always doing WHQL
process on RHEL platform only.

Maybe someone from the SPICE team can comment on your question?

Best regards,
Vadim.

----- Original Message -----
From: "Charles.Tsai-蔡清海-研究發展部" <address@hidden>
To: "Vadim Rozenfeld" <address@hidden>
Cc: "Michael Roth" <address@hidden>, "Stefan Hajnoczi" <address@hidden>, 
address@hidden, "Alex Huang-黃必賢-研究發展部" <address@hidden>, "Alon Levy" 
<address@hidden>, "qemu-devel" <address@hidden>, "Paul Lu-盧偉智-研究發展部" 
<address@hidden>
Sent: Wednesday, February 8, 2012 4:39:22 AM
Subject: RE: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

Vadim,

Thanks. I tested Windows guest OS driver the over qemu-kvm-devel 1.0.50 from 
git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git and it worked.
The latest Windows guest driver from (https://github.com/YanVugenfirer/) seems 
to have to work with Qemu 1.0.50. My previous test ran over Qemu 1.0 and that 
was why it failed to work.

As you mentioned, the latest driver from (https://github.com/YanVugenfirer/) is 
much more stable than the old one. But those drivers must work with Qemu 1.0.50 
which was not verified to be stable. Do you think Qemu 1.0.50 is stable to be 
used? Please give us a recommendation.


-----Original Message-----
From: Vadim Rozenfeld [mailto:address@hidden
Sent: Wednesday, February 08, 2012 3:06 AM
To: Charles.Tsai-蔡清海-研究發展部
Cc: Michael Roth; Stefan Hajnoczi; address@hidden; Alex Huang-黃必賢-研究發展部; Alon 
Levy; qemu-devel; Paul Lu-盧偉智-研究發展部
Subject: Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

I have tried to reproduce the problem several times without success.

QEMU:
QEMU 1.0.50 from git://git.qemu.org/qemu.git ,and qemu-kvm-devel 1.0.50 from 
git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git

My guest info:
OS Name:                   Microsoft Windows 7 Enterprise
OS Version:                6.1.7600 N/A Build 7600

QEMU command line:
sudo /home/vrozenfe/work/upstream/qemu/x86_64-softmmu/qemu-system-x86_64 -m 
1024 -smp 1,sockets=1,cores=1,threads=1 -name SERIAL -uuid 
d9388815-ddd3-c38e-33c2-a9d5fcc7a775 -monitor stdio -rtc base=localtime -device 
virtio-serial-pci,id=virtio-serial0,bus=pci.0,multifunction=on,addr=0x5.0x0 
-drive 
file=/home/vrozenfe/work/images/win7.qcow2,if=none,id=drive-ide0-0-0,format=qcow2
 -device 
ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -netdev 
tap,id=hostnet0 -device 
e1000,netdev=hostnet0,id=net0,mac=22:3A:40:3F:2F:12,bus=pci.0,multifunction=on,addr=0x3.0x0
 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 
-chardev spicevmc,id=charchannel0,name=vdagent -device 
virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0
 -usb -device usb-tablet,id=input0 -device 
virtio-balloon-pci,id=balloon0,bus=pci.0,multifunction=on,addr=0x4.0x0 -cdrom 
/home/vrozenfe/work/virtio-win-1.4.0.iso -snapshot -enable-kvm

Drivers:
Both, MS signed from RHEL6.2 virtio-win RPM, as well as compiled by myself with 
the sources from our internal repository (which contains absolutely the same 
code as in Yan's repository).



----- Original Message -----
From: "Charles.Tsai-蔡清海-研究發展部" <address@hidden>
To: "Vadim Rozenfeld" <address@hidden>
Cc: "Michael Roth" <address@hidden>, "Stefan Hajnoczi" <address@hidden>, 
address@hidden, "Alex Huang-黃必賢-研究發展部" <address@hidden>, "Alon Levy" 
<address@hidden>, "qemu-devel" <address@hidden>, "Paul Lu-盧偉智-研究發展部" 
<address@hidden>
Sent: Monday, February 6, 2012 3:08:55 PM
Subject: RE: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

Vadim,

I did the same test again today and no luck to made it work.
Let us what you find since we might have missed some points when we did the 
test.


-----Original Message-----
From: Vadim Rozenfeld [mailto:address@hidden
Sent: Sunday, February 05, 2012 2:14 AM
To: Charles.Tsai-蔡清海-研究發展部
Cc: Michael Roth; Stefan Hajnoczi; address@hidden; Alex Huang-黃必賢-研究發展部; Alon 
Levy; qemu-devel; Paul Lu-盧偉智-研究發展部
Subject: Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

Thanks,
I'll check this problem.
Vadim.

----- Original Message -----
From: "Charles.Tsai-蔡清海-研究發展部" <address@hidden>
To: "Charles.Tsai-蔡清海-研究發展部" <address@hidden>, "Vadim Rozenfeld" 
<address@hidden>
Cc: "Michael Roth" <address@hidden>, "Stefan Hajnoczi" <address@hidden>, 
address@hidden, "Alex Huang-黃必賢-研究發展部" <address@hidden>, "Alon Levy" 
<address@hidden>, "qemu-devel" <address@hidden>, "Paul Lu-盧偉智-研究發展部" 
<address@hidden>
Sent: Saturday, February 4, 2012 5:39:26 AM
Subject: RE: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

Vadim,

We tested the free build driver on 32-bit Windows 7 and the symptom was the 
same. In other words, the latest driver source from 
https://github.com/YanVugenfirer/ is buggy and it was not workable at all.



-----Original Message-----
From: Charles.Tsai-蔡清海-研究發展部
Sent: Friday, February 03, 2012 12:01 PM
To: 'Vadim Rozenfeld'
Cc: Michael Roth; Stefan Hajnoczi; address@hidden; Alex Huang-黃必賢-研究發展部; Alon 
Levy; qemu-devel; Paul Lu-盧偉智-研究發展部
Subject: RE: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

Vadim,

I downloaded the latest Windows guest driver code from 
(https://github.com/YanVugenfirer/) and built the test binary driver code.
When I tested the release build Vioserial driver on 64-bit Windows 7, the 
driver seemed to wait for something to happen and the update driver Windows 
dialog simply just stayed in busy state. Finally, the Windows system entered a 
busy loop. However, if I tested the debugging build driver, the driver could be 
installed. But it took for a long time to complete.

Our installed Qemu is 1.0. Is there Qemu build requirement so that we can 
verify the vioserial driver? From my test, the latest code from 
(https://github.com/YanVugenfirer/) seemed to be worst than the one we tested 
before. Let me know if we did anything wrong.


-----Original Message-----
From: Vadim Rozenfeld [mailto:address@hidden
Sent: Friday, January 20, 2012 8:48 PM
To: Charles.Tsai-蔡清海-研究發展部
Cc: Michael Roth; Stefan Hajnoczi; address@hidden; Alex Huang-黃必賢-研究發展部; Alon 
Levy; qemu-devel
Subject: Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

This code is slightly buggy.
Please try Yan's repository
at github (https://github.com/YanVugenfirer/).
I believe that the most critical changes have been merged already by Yan into 
this public repository.
I will ask to update binaries and sources at fedoraproject site as well.

Best regards,
Vadim.


----- Original Message -----
From: "Charles.Tsai-蔡清海-研究發展部" <address@hidden>
To: "Vadim Rozenfeld" <address@hidden>
Cc: "Michael Roth" <address@hidden>, "Stefan Hajnoczi" <address@hidden>, 
address@hidden, "Alex Huang-黃必賢-研究發展部" <address@hidden>, "Alon Levy" 
<address@hidden>, "qemu-devel" <address@hidden>
Sent: Friday, January 20, 2012 3:25:51 AM
Subject: RE: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

Vadim,

We downloaded the driver source from the following website.
===========================================================
wget --no-check-certificate 
https://alt.fedoraproject.org/pub/alt/virtio-win/latest/images/src/virtio-win-prewhql-0.1-15-sources.zip

-----Original Message-----
From: Vadim Rozenfeld [mailto:address@hidden
Sent: Thursday, January 19, 2012 8:25 PM
To: Charles.Tsai-蔡清海-研究發展部
Cc: Michael Roth; Stefan Hajnoczi; address@hidden; Alex Huang-黃必賢-研究發展部; Alon 
Levy; qemu-devel
Subject: Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

Just to be sure that we are on the same page:
could you tell me about the origin of the source?
Is it the latest from the Yan's repository at github.com?

----- Original Message -----
From: "Charles.Tsai-蔡清海-研究發展部" <address@hidden>
To: "Vadim Rozenfeld" <address@hidden>
Cc: "Michael Roth" <address@hidden>, "Stefan Hajnoczi" <address@hidden>, 
address@hidden, "Alex Huang-黃必賢-研究發展部" <address@hidden>, "Alon Levy" 
<address@hidden>, "qemu-devel" <address@hidden>
Sent: Thursday, January 19, 2012 12:06:16 PM
Subject: RE: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

Vadim,

We built it from the driver source. Up to this moment, we always use the same 
binary to test Qemu.


-----Original Message-----
From: Vadim Rozenfeld [mailto:address@hidden
Sent: Thursday, January 19, 2012 5:39 PM
To: Charles.Tsai-蔡清海-研究發展部
Cc: Michael Roth; Stefan Hajnoczi; address@hidden; Alex Huang-黃必賢-研究發展部; Alon 
Levy; qemu-devel
Subject: RE: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 
0.15

On Thu, 2012-01-19 at 16:33 +0800, Charles.Tsai-蔡清海-研究發展部 wrote:
> Vadim,
>
> It is SMP system.
What about vioserial driver itself?
did you build it from sources or is
it one, available through RHEL channels?

>
> -----Original Message-----
> From: Vadim Rozenfeld [mailto:address@hidden
> Sent: Thursday, January 19, 2012 3:58 PM
> To: Charles.Tsai-蔡清海-研究發展部
> Cc: Michael Roth; Stefan Hajnoczi; address@hidden;
> Alex Huang-黃必賢-研究發展部; Alon Levy; qemu-devel
> Subject: RE: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS
> on Qemu 0.15
>
> On Thu, 2012-01-19 at 09:41 +0800, Charles.Tsai-蔡清海-研究發展部 wrote:
> > Vadim,
> >
> > I tested on Qemu 1.0.50. and found the VioSerial driver had problem to 
> > install on 64-bit Win7 guest.
> > During the driver installation, the system hung after the driver
> > being installed. After I rebooted the guest OS, the Vioserial driver work. 
> > The hang system seemed to be found only during the driver installation.
> >
> On UP or SMP system?
> >
> > -----Original Message-----
> > From: Vadim Rozenfeld [mailto:address@hidden
> > Sent: Wednesday, January 18, 2012 4:57 AM
> > To: Michael Roth
> > Cc: Charles.Tsai-蔡清海-研究發展部; Stefan Hajnoczi;
> > address@hidden; Alex Huang-黃必賢-研究發展部; Alon Levy;
> > qemu-devel
> > Subject: Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest
> > OS on Qemu 0.15
> >
> > On Mon, 2012-01-16 at 19:50 -0600, Michael Roth wrote:
> > > On 01/15/2012 08:02 PM, Charles.Tsai-蔡清海-研究發展部 wrote:
> > > > Vadim,
> > > >
> > > > Thank you for your prompt reply. Here are the information for our test 
> > > > case.
> > > >
> > > >
> > > > 1) we use the following command line to launch the guest OS
> > > >
> > > >
> > > > /usr/bin/kvm -S -M pc-0.14 -enable-kvm -m 1024 -smp
> > > > 1,sockets=1,cores=1,threads=1 -name win_xp -uuid
> > > > d9388815-ddd3-c38e-33c2-a9d5fcc7a775 -nodefconfig -nodefaults
> > > > -chardev
> > > > socket,id=charmonitor,path=/var/lib/libvirt/qemu/win_xp.monitor,
> > > > se rv er,nowait -mon
> > > > chardev=charmonitor,id=monitor,mode=readline
> > > > -rtc base=localtime
> > > > -device
> > > > virtio-serial-pci,id=virtio-serial0,bus=pci.0,multifunction=on,a
> > > > dd
> > > > r=
> > > > 0x5.0x0 -drive
> > > > file=/media/Images/Windows-XP.img,if=none,id=drive-ide0-0-0,form
> > > > at
> > > > =r
> > > > aw -device
> > > > ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,boot
> > > > in
> > > > de
> > > > x=1
> > > > -netdev tap,fd=17,id=hostnet0
> > > > -device
> > > > rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:e8:dc:b1,bus=pci.0,
> > > > mu
> > > > lt
> > > > ifunction=on,addr=0x3.0x0
> > > > -chardev pty,id=charserial0
> > > > -device isa-serial,chardev=charserial0,id=serial0
> > > > -chardev spicevmc,id=charchannel0,name=vdagent
> > > > -device
> > > > virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id
> > > > =c
> > > > ha
> > > > nnel0,name=com.redhat.spice.0
> > > > -usb -device usb-tablet,id=input0 -spice
> > > > port=5900,addr=0.0.0.0,disable-ticketing
> > > > -vga qxl -global qxl-vga.vram_size=67108864 -device
> > > > virtio-balloon-pci,id=balloon0,bus=pci.0,multifunction=on,addr=0
> > > > x4
> > > > .0
> > > > x0
> > > >
> > > >
> > > >
> > > > 2). In Guest Windows XP OS
> > > >
> > > >
> > > > When the following callback function of the vioserial device  is called 
> > > > in guest OS. The allocated resources is empty.
> > > >
> > > >
> > > > VIOSerialEvtDevicePrepareHardware() ---This function is to get the I/O 
> > > > address of the vioserial device and map the physical address to the 
> > > > logical address space.
> > > >
> > > > I added the following trace and the value of nListSize is ZERO.
> > > > TraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP, "%s
> > > > (nListSize=%d)\n", __FUNCTION__,nListSize);
> > > >
> > > >
> > > > So far, we have tested Qemu 0.14 without any problem but Qemu 0.15 
> > > > seemed to be broken in vioserial device.
> > > > Let me know if you need further information. Thanks.
> > > >
> > >
> > > Hi Charles,
> > >
> > > What versions of the virtio-win drivers are you using?
> > >
> > > I've been testing virtio-serial on windows using the latest
> > > qemu.git (1.0). Linux guests work fine, but I've been having
> > > various issues with Windows 7, XP SP3, and Server 2008 R1. XP SP3
> > > works intermittently for me using RHEL6.0 virtio-win, as well as the 
> > > drivers at:
> > >
> >
> > I have seen some virtio serial port initialization problems on 1.0.50.
> > Will try to look into this problem in the following week(s).
> >
> > > http://alt.fedoraproject.org/pub/alt/virtio-win/latest/images/bin/
> > >
> > > But I've been getting a mix of issues such as guest hangs,
> > > vioser-test failing to enumerate any virtio-serial devices, or
> > > various non-critical error messages from qemu that seem to
> > > coincide with the channel being open/closed (occasionally resulting in 
> > > the channel becoming unresponsive).
> > >
> > > Do any of these seem similar to the behaviour you're seeing? If so
> > > I'll see if the issues go away on 0.14.0 and follow-up with a git bisect.
> > >
> >
> >
> >
>
>





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