Re: [win-pv-devel] xen net/vif (signed 8.2.0.6) "code 10" / win7

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: win-pv-devel [mailto:win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On
> Behalf Of Martin Cerveny
> Sent: 05 January 2018 18:17
> To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: [win-pv-devel] xen net/vif (signed 8.2.0.6) "code 10" / win7
> 
> Hello.
> 
> I need to switch to signed drivers (many programs are incompatible with
> "testsigning").
> After switch I have 30% chance of "code 10" - cannot start net pv-driver in
> win7.
> Repair possible by reboot or by disable/enable driver in windows device
> manager.
> 
> Dom0 - Xen4.10.0/Fedora27(4.13.9-300)
> DomU - Win7/x64(actual patches)
> 
> Attached (errored domain 6):
> - msg+xs - after errored startup to "code 10"
> - msg_e+xs_e - after "disable/enable" in win dev mgr
> 
> # grep vif6 /var/log/messages > msg
> # xenstore-ls > xs
> 
> # # check the difference
> # diff msg msg_e
> # diff xs xs_e
> 
> - debugview.log - Windows DebugView (with "disable/enable" in win dev
> mgr)
> 
> Any more log to check ?
> Is it known bug ?
> Is there any workaround (besides uninstalling pv-net drivers) ?
> Is it related to pv-bus driver discussion ?

Martin,

  There's no apparent failure in any of the logs that I can see. Does the 
debugview.log cover the failed driver install? I only see one successful start 
in there so, if it does cover the failure, then it suggest that Windows 
actually made no attempt to start XENNET. Is there anything interesting in 
setupapi.dev.log? 

> When will new/next/repaired signed drivers be released ?
> 

  I'm chasing a weird issue with timer in Windows at the moment (which may be a 
Xen bug) and I'd like to understand that before signing 8.2.1. We also do not 
yet have a fully clean WHQL run on 8.2.1 XENNET.

  Another thing to try, if you can, would be an older dom0 kernel (or at least 
an older netback). It sounds like a bug has crept in so you may be falling 
victim to that.

  Cheers,

    Paul

> Thanks, Martin

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