Re: [Xen-devel] Regression: Windows 7 unable to boot with latest xen-unstable staging

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 03/11/2014 16:59, Jan Beulich ha scritto:
> > > > On 03.11.14 at 16:41, <fabio.fantoni@xxxxxxx> wrote:
> > I tested now latest xen-unstable staging branch of git (commit
> > 5283b310e14884341f51be35253cdd59c4cb034c) and there is a regression that
> > make unable to boot windows 7 pro 64 bit that on build of some days ago
> > was working, I not found warning/errors in qemu log and xl dmesg.
> > I tested also Fedora 20 hvm domU that instead still boot correctly.
> > I also tried disabling some features (viridian, hdaudiocard, usb
> > redirection, vdagent, qxl) but still not boot, remain at initial black
> > screen that says "starting windows", in xl list vcpu still remain 1 even
> > if 2 setted and time continue small increase.
> > Probably the regression is caused by one of these commits for now not
> > checked with automatic test system:
> > x86/HVM: only kill guest when unknown VM exit occurred...
> > VMX: values written to MSR_IA32_SYSENTER_E[IS]P should...
> > process softirqs while dumping domains
> >
> > If you need more informations/tests tell me and I'll post them.
> This doesn't match up with the most recent osstest flight (31315),
> which didn't show any booting problems with Win7 guests. Hence
> narrowing to one of the three commits as well as telling us any
> specifics your guest (or host) configuration may differ from
> osstest's (e.g. pass-through being used) would be rather helpful.
>
> Also, just to make sure - you're not using the upstream SeaBIOS
> tree, and hence aren't suffering from the regression recently
> introduced there (tentative fix was already posted)?
>
> Jan
Thanks for your reply.

I use seabios from debian package 1.7.5-1, same of the previous build 
working, upstream qemu 2.0 from xen-unstable git (same also that).
domU's xl cfg of my latest tests disabling some features (that still not 
booting):
> name='W7-02'
> builder="hvm"
> memory=2048
> vcpus=2
> acpi_s3=0
> acpi_s4=0
> vif=['bridge=xenbr0,mac=00:16:3e:42:a2:5f']
> disk=['/mnt/vm/disks/W7-02.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=6003
> spicedisable_ticketing=1
> #spicevdagent=1
> spice_clipboard_sharing=0
> #spiceusbredirection=4
> #soundhw="hda"
> localtime=1
If you need more informations/tests tell me and I'll post them.



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