Re: [win-pv-devel] Windows 7 64 bit blue screen with stop 1e after restore with new build of win pv drivers

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 14/11/2014 18:54, Fabio Fantoni ha scritto:

2014-11-14 17:15 GMT+01:00 Paul Durrant <Paul.Durrant@xxxxxxxxxx>:

> -----Original Message-----
> From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]

> Sent: 14 November 2014 16:03
> To: Paul Durrant; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: Windows 7 64 bit blue screen with stop 1e after restore with
> new build of win pv drivers
>
> Il 13/11/2014 15:38, Fabio Fantoni ha scritto:
> > Il 13/11/2014 15:26, Paul Durrant ha scritto:
> >>> -----Original Message-----
> >>> From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]
> >>> Sent: 13 November 2014 14:20
> >>> To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx; Paul Durrant
> >>> Subject: Windows 7 64 bit blue screen with stop 1e after restore
> >>> with new
> >>> build of win pv drivers
> >>>
> >>> I did a new build of winpv drivers and tested on one windows 7 64 bit
> >>> domU, dom0 xen-unstable with "x86/hvm: Extend HVM cpuid leaf with
> vcpu
> >>> id" and "x86/hvm: Add per-vcpu evtchn upcalls" patches, and qemu 2.2
> >>> from spice git:
> >>> https://github.com/Fantu/Xen/commits/rebase/m2r-staging
> >>>
> >>> After restore windows showed blue screen with stop 1e, I open the
> dump
> >>> with "BlueScreenView" and showed that cause is xennet driver.
> >>> I attached the dump, if you need more informations/tests tell me and
> >>> I'll post them.
> >>>
> >> I've been testing with win7 32-bit and seen no problems. The minidump
> >> doesn't tell me much unfortunately do you have a full dump, plus the
> >> QEMU log?
> >>
> >>Â Â Paul
> >
> > Thanks for reply.
> > qemu log was without errors or warning related, I changed windows
> > option for full memory dump and enable qemu trace of xen and retried
> > to reproduce the problem but this time after restore on same domU not
> > had the blue screen.
>
> Blue screen re-happen, in attachment qemu logs (before and after
> restore) with xen trace.
> Also memory.dmp full this time but there is a problem, is 1,87 gb and my
> connection is max 256kbps of upload :(
> If is really needed tell me and I'll try to load it in my webserver
> tomorrow.
>

I'll try to repro. You're crash happened very early in resume. Is your xenbus driver the built from tip?

Yes I updated all to latest git in http://xenbits.xen.org/gitweb/?o=age, all except xeniface was updated if I remember good.

Was happen 2 time on total of 5 save/restore I tried.

Latest test was with qemu upstream updated including also the new 2 xen bugfix http://git.qemu.org/qemu.git (commit 4e70f9271dabc58fbf14680843bfac510c193152).

I have updated xen to latest staging and qemu to tag v2.2.0-rc2 and the crash still happen, in attachment minidump of latest crash and below the link of full memory dump, hope that these will help you to found and solves the problem:
http://fantu.info/xen/MEMORY.DMP

Â

 Paul

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

Attachment: 111914-10467-01.dmp
Description: Binary data

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