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Re: [Xen-devel] GPLPV drivers update

  • To: James Harper <james.harper@xxxxxxxxxxxxxxxx>
  • From: Andrew Lyon <andrew.lyon@xxxxxxxxx>
  • Date: Tue, 25 Aug 2009 11:49:04 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 25 Aug 2009 03:49:37 -0700
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On Tue, Aug 25, 2009 at 11:43 AM, Andrew Lyon<andrew.lyon@xxxxxxxxx> wrote:
> On Tue, Aug 25, 2009 at 3:37 AM, James
> Harper<james.harper@xxxxxxxxxxxxxxxx> wrote:
>> I have just uploaded a new testing version of GPL PV drivers for
>> Windows. Have a look for at
>> http://www.meadowcourt.org/downloads (the -dontuse bit is to scare
>> people away who haven't read this email :)
>> As usual, please test thoroughly on a test DomU and make sure you have a
>> backup before installing on a non-test system. In particular, I'm only
>> testing with Xen 3.4.1 these days so anything older isn't tested
>> although it should work.
>> There was a problem with the signing of the drivers that would prevent
>> them working properly under Vista/2008 x64 even with testsigning
>> enabled. This should resolve that.
>> The installation procedure for Vista/2008 x64 is as follows:
>> . Run 'bcdedit /set testsigning on'
>> . Reboot
>> . Install the drivers. Accept any warnings and tick 'always trust...'
>> when prompted.
>> . Make sure you now have PV network and SCSI adapters present
>> . Reboot
>> If something doesn't work, you should be able to boot to safe mode
>> unless you forgot to run 'bcdedit /set testsigning on' in which case you
>> will probably have an unbootable system... for some reason the vista F8
>> boot menu doesn't allow you to turn on testsigning and safe mode at the
>> same time. Ideally the installer would be able to detect that we are
>> using a test certificate and instruct you to turn on testsigning first
>> but I don't yet know how to do that. I'll see if I can at least put in a
>> loud warning at installation time...
>> James
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
> James,
> Happy to report that I've tested the new drivers on a freshly
> installed windows 2008 x64 hvm and after following your instructions
> and rebooting the correct drivers appeared in device manager and the
> performance increased as expected.
> Then I decided to try backing out the kludge I had added to
> makedist.bat to bypass signing, this time a new certificate was
> generated and the drivers compiled without error, but during
> installation the system bugchecked with a error in xenpci.sys, after
> rebooting I retried the installation and the correct Xen PCI device
> driver and other devices were detected but when I rebooted again the
> system bugchecked.
> I will do more testing to see if I get consistent results, I would
> expect the msi that you released and the one I compiled to behave
> exactly the same as I did a "hg pull" before compiling and "hg diff"
> shows that my tree is the same as yours.
> Andy
> Andy

Just tried installing your MSI onto the 2008x64 hvm and got the same
bugcheck, so it seems to be slightly random...


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