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[Xen-devel] RE: [Xen-bugs] [Bug 135] New: Unable to boot with PAE enable

To: <pl@xxxxxxxxxx>, "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] RE: [Xen-bugs] [Bug 135] New: Unable to boot with PAE enabled
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Wed, 3 Aug 2005 09:27:57 +0100
Delivery-date: Wed, 03 Aug 2005 08:32:28 +0000
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Thread-topic: [Xen-bugs] [Bug 135] New: Unable to boot with PAE enabled
> To: xen-bugs@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-bugs] [Bug 135] New: Unable to boot with PAE enabled
> http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=135
>            Summary: Unable to boot with PAE enabled
>            Product: Xen
>            Version: unstable
>           Platform: x86
>         OS/Version: Linux-2.6
>             Status: NEW
>           Severity: blocker
>           Priority: P2
>          Component: Hypervisor
>         AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
>         ReportedBy: pl@xxxxxxxxxx
>                 CC: hohnbaum@xxxxxxxxxx
> This appears to be quite a bit different from bug #122, so 
> I'm posting it as a new bug.
> System is a 4-way PIII, 4GB ram.  I am not turning on SMP or 
> anything else though, just PAE.  Building with PAE turned on, 
> and booting, I get this:

One thing to check is that your builing a kernel optimised for i686
rather than Pentium4. The default kernel configs need fixing in this
respect -- its been on my todo list for a while, but I'll check in a
change this morning.


> (XEN) Physical RAM map:
> (XEN)  0000000000000000 - 000000000009dc00 (usable)
> (XEN)  000000000009dc00 - 00000000000a0000 (reserved)
> (XEN)  00000000000e0000 - 0000000000100000 (reserved)
> (XEN)  0000000000100000 - 00000000eb7f9380 (usable)
> (XEN)  00000000eb7f9380 - 00000000eb800000 (ACPI data)
> (XEN)  00000000fec00000 - 00000000fec01000 (reserved)
> (XEN)  00000000fee00000 - 00000000fee01000 (reserved)
> (XEN)  00000000fff80000 - 0000000100000000 (reserved)
> (XEN)  0000000100000000 - 0000000120000000 (usable)
> (XEN) System RAM: 4279MB (4382296kB)
> (XEN) Xen heap: 10MB (10556kB)
> (XEN) PAE enabled, limit: 16 GB
> (XEN) Unknown interrupt

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