Well, after unchecking the "Show Compatible Hardware" box it still
only
shows the existing HAL (non-APIC) and "Standard PC." I'm going to
try a
couple other things to see if I can get it installed.
-Nick
-----Original Message-----
From: Dustin Henning <Dustin.Henning@prd-inc.com>
Reply-To: Dustin.Henning@prd-inc.com
To: 'Nick Couchman' <Nick.Couchman@seakr.com>,
james.harper@bendigoit.com.au
Cc: xen-users@lists.xensource.com
Subject: RE: [Xen-users] GPL PV Intermittent Network Problems
Date: Tue, 11 Nov 2008 10:00:39 -0500
If youre feeling bold and daring, just switch it, but have a backup
handy. In some cases it will work, in others it wont. There is good
documentation out there, but I dont have hand links to any of it.
Here is what I am suggesting:
1) Device Manager
2) Right click on Advanced Configuration and Power Interface PC
3) Click Update Driver
4) Select Advanced (Install from a list or specific location)
5) Select Dont Search. I will choose the driver to install
6) Uncheck the Show compatible hardware box if necessary (it
probably isnt)
7) Choose ACPI Uniprocessor PC
8) Proceed through the remaining steps and reboot
As I said, you should certainly have a backup ready, but I believe this
should work (assuming XP/2003 or newer), Im not sure it was that easy
in 2000, my MCSE class back then said no, but could have been wrong.
Good luck,
Dustin
From:xen-users-bounces@lists.xensource.com
[mailto:xen-users-bounces@lists.xensource.com] On Behalf Of Nick
Couchman
Sent: Tuesday, November 11, 2008 09:52
To: james.harper@bendigoit.com.au
Cc: xen-users@lists.xensource.com
Subject: RE: [Xen-users] GPL PV Intermittent Network Problems
Well, I've just stumbled upon another couple of things that seem to be
causing the problem. First, in looking at the Computer type (Device
Manager -> Computer Name -> Computer), the working ones all have
"ACPI
Uniprocessor PC" and the two that don't work have "Advanced
Configuration and Power Interface (ACPI) PC." On the surface, this
seems to be about the same - even looking at the driver version, date,
etc., yields the same information. However, if I go to the Details tab
of this device and look at "Hardware Ids," I see that the
"Advanced
Configuration...PC" shows "acpipic_up" whereas the "ACPI
Uniprocessor
PC" shows "acpiapic_up." So, the computer types are actually
different,
and, just like when you switch from a single processor to a
multiprocessor configuration, Windows is incapable of picking up the
change from a non-APIC (PIC, I guess??) machine (VM) to an APIC machine
(VM), even though I've switched over the Xen configuration.
Furthermore, if I look at the Device Manager and view as "Resources by
Type" and look at IRQs, the machine that is failing doesn't have ANY
devices assigned an IRQ over 15 whereas the ones that work have a few
other devices (besides the Xen ones) assigned IRQs over 15.
Guess it comes down to a HAL issue at this point - anyone have any good
hints or documents for switching out the HAL?
-Nick
-----Original Message-----
From: James Harper <james.harper@bendigoit.com.au>
To: Nick Couchman <Nick.Couchman@seakr.com>,
xen-users@lists.xensource.com
Subject: RE: [Xen-users] GPL PV Intermitent Network Problems
Date: Tue, 11 Nov 2008 21:29:23 +1100
Nick,
I have built a xenpci.sys that will tell Windows not to give it an IRQ
under 16. Other than testing that it doesn't crash I haven't given it
any other testing. You can download it at:
http://www.meadowcourt.org/downloads/xenpci.sys.no_irq_under_16.xp.bin
rename the downloaded file to xenpci.sys and copy it to
c:\windows\system32\drivers, then reboot.
I also have a windows 2003 version there.
If, for some reason, windows won't assign an irq > 16 to it then a boot
with /GPLPV will probably fail (bug check 0x7b), but you should still be
able to reboot without /GPLPV.
Let me know how it goes. If it boots, assigns an irq > 16, and your
stability problems go away, then I'll keep the fix in there.
Thanks
James
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