[Xen-users] Weird Memory issue

[Glen Eustace <geustace@xxxxxxxxxxxxxx>]

I have just tried to increase the memory of a DomU from 512 MB to 
1024MB.  I have several other DomUs already running with more than 
512Mb, so I am puzzled.
There is more than sufficient free RAM on the host Dom0 currently has 
2.9G allocated to it. But I get the following error.  If I change it 
back to 512 it starts just fine.
I am running xen-3.3.0-3 on CentyOS5.2 x86_64 using the rpms from gitco.

NB: I have always had the PCI: Fatal message on all my pv DomUs.

Started domain agree-25
                       PCI: Fatal: No config space access function found
isapnp: Write Data Register 0xa79 already used
1 multicall(s) failed: cpu 0
------------[ cut here ]------------
kernel BUG at arch/x86/xen/multicalls.c:104!
invalid opcode: 0000 [#1] SMP
Modules linked in:

Pid: 1, comm: init Not tainted (2.6.27.9-159.fc10.i686.PAE #1)
EIP: 0061:[<c0404a97>] EFLAGS: 00010202 CPU: 0
EIP is at xen_mc_flush+0x17b/0x187
EAX: c16c5054 EBX: 00000000 ECX: ffffffff EDX: c16c5054
ESI: 00000001 EDI: 00000001 EBP: ed013ef8 ESP: ed013ee4
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
Process init (pid: 1, ti=ed013000 task=ed030000 task.ti=ed013000)
Stack: c16c5054 c16c0254 00a72000 f57aa388 ec3f0000 ed013f00 c0404720 
ed013f74
       c04871d6 009c9065 80000000 00a71fff 00a71fff 80000000 00000025 
00a70000
       ed013fa0 ec3f0000 08100073 00000002 00000000 ec3d0028 ec3cf000 
ec3f0000
--

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Glen and Rosanne Eustace,
GodZone Internet Services, a division of AGRE Enterprises Ltd.,
P.O. Box 8020, Palmerston North, New Zealand 4446
Ph/Fax: +64 6 357 8168, Mob: +64 27 542 4015

"A Ministry specialising in providing low-cost professional Internet
Services to NZ Christian Churches, Ministries and Organisations"

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