Re: [win-pv-devel] Windows server 2012 R2 domUs problem after save/restore

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 28/01/2015 21:14, Paul Durrant ha scritto:
> > -----Original Message-----
> > From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]
> > Sent: 28 January 2015 09:19
> > To: Paul Durrant; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> > Subject: Re: [win-pv-devel] Windows server 2012 R2 domUs problem after
> > save/restore
> >
> > Il 22/01/2015 16:00, Paul Durrant ha scritto:
> > > > -----Original Message-----
> > > > From: win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx [mailto:win-pv-devel-
> > > > bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of Fabio Fantoni
> > > > Sent: 22 January 2015 10:10
> > > > To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> > > > Cc: Paul Durrant
> > > > Subject: Re: [win-pv-devel] Windows server 2012 R2 domUs problem
> > after
> > > > save/restore
> > > >
> > > > Il 19/01/2015 16:30, Fabio Fantoni ha scritto:
> > > > > Hi, I installed winpv driver build of 15 january on Windows server
> > > > > 2012 R2 standard 64 bit and have problem after save/restore.
> > > > > xl save/restore didn't show any errors, trying to connected with rdp I
> > > > > was unable and with spice I saw screen with data and time (time update
> > > > > after restore) but doing ctrl+alt+canc it changed something in screen
> > > > > only after 5-10 minutes and still without showing login field.
> > > > >
> > > > > Dom0 is Wheezy with kernel 3.16.7-ckt2-1~bpo70+1 (from official
> > > > > backport), build of xen based on start of 4.4.2-pre and qemu 1.6 from
> > > > > xen build.
> > > > > DomU xl cfg:
> > > > > > name='w2012r2-01'
> > > > > > builder="hvm"
> > > > > > memory=8192
> > > > > > vcpus=4
> > > > > > acpi_s3=0
> > > > > > acpi_s4=0
> > vif=['bridge=xenbr2,mac=00:16:3e:24:b7:d7','bridge=xenbr10,mac=00:16:3e:
> > > > 18:2a:f2,script=vif-openvswitch']
> > > > > > #vfb=['vnc=1,vncunused=1,vnclisten="0.0.0.0",keymap=it']
> > > > > > disk=['/mnt/vm/disks/w2012r2-
> > > > 01.disk1.xm,raw,hda,rw',',raw,hdb,ro,cdrom']
> > > > > > boot='dc'
> > > > > > device_model_version="qemu-xen"
> > > > > > viridian=1
> > > > > > vnc=0
> > > > > > keymap="it"
> > > > > > on_crash="destroy"
> > > > > > vga="stdvga"
> > > > > > spice=1
> > > > > > spicehost='0.0.0.0'
> > > > > > spiceport=6000
> > > > > > spicepasswd="test"
> > > > > > spicevdagent=1
> > > > > > spice_clipboard_sharing=0
> > > > > > spiceusbredirection=4
> > > > > > soundhw="hda"
> > > > > > localtime=1
> > > > > I added in attachments qemu logs (before and after save/restore) with
> > > > > xen trace enabled.
> > > > >
> > > > > If you need more informations tests tell me and I'll post them.
> > > > >
> > > > > I have also another small question:
> > > > > is ms_vm_genid needed for this case? for what I understand is only for
> > > > > active directory controller and this it isn't.
> > > > >
> > > > > Thanks for any reply and sorry for my bad english.
> > > > I also tried to uninstall the pv drivers from control panel but windows
> > > > crash, minidump in attachments.
> > > I'm re-working the FIFO event channel code at the moment so I'll run a
> > quick suspend/resume test when I'm done.
> > >     Paul
> > Thanks for your reply.
> > I did other tests and seems that save/restore problems with windows 2012
> > was for missed ms_vm_genid="generate" even if clean for now (no active
> > directory or other server services enabled nor domain member).
> > Remain windows crash on winpv drivers uninstall with minidump refer to
> > xenvif and other important and occasional problem:
> > network not working after some time and after 2-3 minutes all windows
> > become unusable.
> > I hope these problem will be solved by new network pv driver patches,
> > I'll test them ASAP when build with them will be ready.
> I pushed my big series into xenbus today. You should definitely take that; it 
> fixes several bugs in FIFO event channels and a couple of other things.
>
>    Paul
Thanks.
I tested now new pv drivers build on a windows 7 64 bit domU.
On update I saw a strange thing, xenvif and xennet even if updated 
showed message "Ready to use" instead "Driver updated".
After update of all drivers components I rebooted windows but it didn't 
start, stay blocked on windows logo, seems there is a critical 
regression in latest pv drivers build :(
DomU's qemu log with xen-platform trace in attachment.

Thanks for any reply and sorry for my bad english.

Attachment: qemu-dm-W7.log
Description: Text document

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