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

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----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 for any reply and sorry for my bad english.
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