I am having trouble with F14, and this and the previous kernel:

http://pastie.org/1242707

The problem seems to start around line 687:
xen_balloon: Initialising balloon driver with page order 0.
last_pfn = 0x444690 max_arch_pfn = 0x400000000
BUG: unable to handle kernel paging request at ffffea000e700030
IP: [<ffffffff812351b7>] __list_add+0x6c/0x81

but I am not sure.

Here is the really weird thing, I have this system:
http://www.supermicro.com/Aplus/system/2U/2022/AS-2022TG-HTRF.cfm
with 4 machines using these mbs (with 1 AMD 6172 each):
http://www.supermicro.com/Aplus/motherboard/Opteron6100/SR56x0/H8DGT-HF.cfm
lshw output here: http://pastie.org/1242726
and one of the 4 systems is able to boot the system using xen but the others 
all die at the same place (using the same disks to test all 4).
I have tried changing as many BIOS settings as I can - all the ACPI ones and 
many others and I can get any change. (BIOS sucks btw, you can't print or 
output the full config in any useful way to diff/track/compare them - argh!)

Here:
http://pastie.org/1242727
is the output of the one that does work, unfortunately as I monkeyed around 
with it I think it is now not finding the igb NICs  :(

The systems come up fine with both the current F14 kernel and both the latest 
and previous dom0 kernel without xen
# uname -a
Linux xentest 2.6.32.23-170.1.xendom0.fc12.x86_64 #1 SMP Thu Oct 21 19:32:14 
UTC 2010 x86_64 x86_64 x86_64 GNU/Linux


Name        : xen
Arch        : x86_64
Version     : 4.0.1
Release     : 6.fc14

I tried a number of grub configs some with various debug and acpi/apic 
settings but no luck, here is a simple one when I was trying the new kernel:

title Xen
         root (hd1,0)
         kernel /xen.gz dom0_mem=1024M loglvl=all guest_loglvl=all
         module /vmlinuz-2.6.32.23-170.1.xendom0.fc12.x86_64 ro 
root=UUID=84e6a109-84c5-4288-80de-ea368a224a3a 
rd_MD_UUID=c557e3e8:d9ef50b8:b5e9861f:26975533 
rd_MD_UUID=5825fd8c:77ea8324:ae0c8804:8a0c248
7 rd_NO_LUKS rd_NO_LVM rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 
KEYTABLE=us nomodeset
         initrd /initramfs-2.6.32.23-170.1.xendom0.fc12.x86_64.img

Maybe I missed a step somewhere but with the xen 4.0.1.x in F14 and the dom0 
kernel repo, I thought that there was no more manual compiling, etc - maybe I 
was mistaken.

Any help/idea would be greatly appreciated. Thanks.


On 10/22/10 2:27 PM, M A Young wrote:
> There is a new xen kernel (2.6.32.23-170.1.xendom0.fc12) available to
> download at http://koji.fedoraproject.org/koji/taskinfo?taskID=2547470 and
> at the repository http://repos.fedorapeople.org/repos/myoung/dom0-kernel/
>
> It contains some patches added added to xen/stable-2.6.32.x since the last
> build, including an event channels fix.
>
>       Michael Young
> --
> xen mailing list
> xen@lists.fedoraproject.org
> https://admin.fedoraproject.org/mailman/listinfo/xen
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