Here's this patch on JS20, with 192mb Dom0, 512mb total:
SLOF
***************************************************************************
JS2XBlade Starting
Check ROM = OK
Build Date = Aug 14 2006 16:51:58
FW Version = JS2XFW6331
Press "s" to enter Open Firmware.
Welcome to JS2x Open Firmware
Copyright International Business Machines Corporation 2004 - 2006
US Government Users Restricted Rights -- Use, duplication or
disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
Online CPUs: #0 #1
0.5 GB of RAM @ 333 MHz
Switching top HT bus to 600MHz...
Disk drive identifies as: TOSHIBA MK4019GAXB
Disk drive identifies as: TOSHIBA MK4019GAXB
PCIe:
===================== VPD =====================
Machine Type : 884221X
Machine Serial No. : KPFXY4A
Hardware Revision : 3
Manuf. Date : 3504
Part Number : 24P8893
FRU Number : 13N1634
FRU Serial No. : ZJ1W0J48T12E
UUID : d112ac980e6611d9acbf9251a5f4c08c
Firmware Rel. date : 08/14/2006
Firmware Release : 001
Firmware Build ID : SLOF_633
vpd written
The currently active flashside is: 1 (temporary)
Stopping BMC watchdog...
parse-load net
Trying to load: from: /ht/pci-x@2/enet@1,1 ...
Bootloader 1.5
Reading MAC address from device: 00:0D:60:1E:34:41
Requesting IP address via BOOTP: 30arp9.2.72.97
Requesting file "lab097/xen" via TFTP
Receiving data: |/...
TFTP: Received lab097/xen (4262 KBytes)
Success
---------------------------------------------------
OF: Xen/PPC version 3.0-unstable (poff@xxxxxxxxxxxxxx) (gcc version 3.4.1) Sat
Nov 4 11:47:20 EST 2006
boot_of_init args: 0x0 0x0 0x111027c 0x128bd92 0x0
boot msr: 0x1000000000003000
boot_of_init: _start 0000000000400000 _end 000000000075b2d0 0x128bd92
boot_of_probemem: memory 0x0000000000000000[0x20000000]
bootargs = xen -- root=/dev/hda2 sysrq=1 debug
boot_of_module: Dom0 is linked in: 0x474788[size 0x29af7a]
mod0: 177 E L F
boot_of_module: dom0 mod @ 0x0000000000474788[0x70f702]
boot_of_module: dom0 mod string: root=/dev/hda2 sysrq=1 debug
find_space base=0x000000000075b2d0 eomem=0x0000000020000000 size=0x00008000
align=0x1000
find_space base=0x0000000000764000 eomem=0x0000000020000000 size=0x00030000
align=0x1000
creating oftree
pkg_save: saved device tree in 0x2f20 bytes
boot_of_devtree: devtree mod @ 0x0000000000764000[0x794000]
OF: timebase-frequency = 199839336 Hz
OF: clock-frequency = 1600000 KHz
spinning up secondary processor #1: ping = 0xffffffff: pong = 0x1
pruning `/ht/isa@4/serial@3f8' from devtree
pruning `/ht/isa@4/serial@2f8' from devtree
boot_of_serial: ISA base: 0xf4000000
boot_of_serial: ISRC=0x44, but forcing poll mode
Quiescing Open Firmware ... __ __ _____ ___ _
_ _
\ \/ /___ _ __ |___ / / _ \ _ _ _ __ ___| |_ __ _| |__ | | ___
\ // _ \ '_ \ |_ \| | | |__| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
/ \ __/ | | | ___) | |_| |__| |_| | | | \__ \ || (_| | |_) | | __/
/_/\_\___|_| |_| |____(_)___/ \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
http://www.cl.cam.ac.uk/netos/xen
University of Cambridge Computer Laboratory
Xen version 3.0-unstable (poff@xxxxxxxxxxxxxx) (gcc version 3.4.1) Sat Nov 4
11:47:20 EST 2006
Latest ChangeSet: Tue Oct 24 19:11:00 2006 -0400 12468:9148f7816d00
(XEN) Physical RAM map:
(XEN) 0000000000000000: 0000000020000000
(XEN) End of Xen Area: 39MiB (40528KiB)
(XEN) End of RAM: 512MiB (524288KiB)
(XEN) Xen Heap: 35MiB (36828KiB)
(XEN) Dom Heap: 466MiB (477616KiB)
(XEN) CPU[PIR:0 IPI:0 Logical:0] Hello World!
(XEN) spinning up at most 16 total processors ...
(XEN) Synchronizing timebase
(XEN) CPU[PIR:1 IPI:1 Logical:1] Hello World!
(XEN) Got ack
(XEN) score 299, offset 1000
(XEN) score 299, offset 500
(XEN) score 299, offset 250
(XEN) score 263, offset 125
(XEN) score -291, offset 62
(XEN) score 189, offset 93
(XEN) score -153, offset 77
(XEN) score -49, offset 85
(XEN) score 3, offset 89
(XEN) score -53, offset 87
(XEN) score -57, offset 88
(XEN) Min 88 (score -49), Max 89 (score -1)
(XEN) Final offset: 89 (271/300)
(XEN) xen_mpic_init: start
(XEN) mpic: Setting up MPIC "Xen-U3-MPIC" version 1.2 at f8040000, max 4 CPUs
(XEN) mpic: ISU size: 124, shift: 7, mask: 7f
(XEN) mpic: Initializing for 124 sources
(XEN) mpic: Setting up HT PICs workarounds for U3/U4
(XEN) mpic: - HT:01.0 [0xb8] vendor 1022 device 7450 has 4 irqs
(XEN) mpic: - HT:02.0 [0xb8] vendor 1022 device 7450 has 4 irqs
(XEN) mpic: - HT:03.0 [0xf0] vendor 1022 device 7460 has 24 irqs
(XEN) xen_mpic_init: success
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) WARNING!: Taking all secondary CPUs offline
(XEN) Initializing DART 0xf8033000: tbl: 0000000000200000[0x200] entries:
0x80000
(XEN) Initializing DART Model U3: reg: 00000000f8033000 word: 200200
(XEN) [0000000000471C00] 0000000000448504 .unimplemented+0x18/0x38
(XEN) [0000000000471C80] 0000000000448A68 .on_selected_cpus+0x38/0x60
(XEN) [0000000000471D00] 00000000004489CC .smp_call_function+0x78/0xa4
(XEN) [0000000000471D90] 0000000000424030 .schedulers_start+0x30/0x54
(XEN) [0000000000471E10] 0000000000455908 .start_of_day+0x148/0x170
(XEN) [0000000000471EB0] 0000000000455CAC .__start_xen+0x37c/0x630
(XEN) [0000000000471F70] 0000000000455FF8 .__start_xen_ppc+0x98/0xb8
(XEN) [0000000000472000] 000000000040004C _start64+0x38/0x3c
(XEN) allocated RMA for Dom[0]: 0x4000000[0x4000000]
(XEN) Scrubbing Free RAM: ......done.
(XEN) Trying Dom0 as 64bit ELF
(XEN) ELF program headers extend beyond end of image.
(XEN) Trying Dom0 as 32bit ELF
(XEN) *** LOADING DOMAIN 0 ***
(XEN) xen_start_info: 0000000007ffe000
(XEN) shared_info: 0x3fff000,0000000007fff000
(XEN) loading OFH: 0x6000000, RMA: 0x2000000
(XEN) loading OFD: 0x6013000 RMA: 0x2013000, 0x30000
(XEN) loading 32-bit Dom0: 0x4400000, in RMA:0x400000
(XEN) DOM: pc = 0x400010, r2 = 0x0
(XEN) Add /openprom props
(XEN) Add /options props
(XEN) Add /cpus props
(XEN) Add /chosen props
(XEN) DOM0 bootargs: root=/dev/hda2 sysrq=1 debug
(XEN) Remove /chosen/mmu, stub will replace
(XEN) fix /memory props
(XEN) Dom0: /memory@0: 0000000000000000, 0000000004000000
(XEN) Dom0: /memory@4000000: 0000000004000000, 0000000008000000
(XEN) fix /xen props
(XEN) Remove original /dart
(XEN) Remove original /rtas
(XEN) Xen trace buffers: disabled
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to
Xen).
zImage starting: loaded at 0x00400000 (sp: 0x01ffff90)
Allocating 0x7149b0 bytes for kernel ...
OF version = 'IBM,XenOF0.1'
gunzipping (0x1400000 <- 0x407000:0x6890df)...done 0x688cb0 bytes
OF stdout device is: /xen/console
command line: root=/dev/hda2 sysrq=1 debug
memory layout at init:
alloc_bottom : 0000000001b19000
alloc_top : 0000000004000000
alloc_top_hi : 000000000c000000
rmo_top : 0000000004000000
ram_top : 000000000c000000
Looking for displays
0000000000000000 : boot cpu 0000000000000000
copying OF device tree ...
Building dt strings...
Building dt structure...
Device tree strings 0x0000000001b1a000 -> 0x0000000001b1a335
Device tree struct 0x0000000001b1b000 -> 0x0000000001b1d000
Calling quiesce ...
returning from prom_init
xen_start_info at c000000003ffe000
magic xen-3.0-powerpc64HV
flags 3
shared_info 3fff000, c000000003fff000
store_mfn 0
store_evtchn 0
console_mfn 0
console_evtchn 0
Hello World I'm Maple Xen-LPAR!
<- xen_init_early
Starting Linux PPC64 #6 SMP Sat Nov 4 11:41:02 EST 2006
-----------------------------------------------------
ppc64_pft_size = 0x16
ppc64_interrupt_controller = 0x1
physicalMemorySize = 0xc000000
ppc64_caches.dcache_line_size = 0x80
ppc64_caches.icache_line_size = 0x80
htab_address = 0x0000000000000000
htab_hash_mask = 0x7fff
-----------------------------------------------------
Linux version 2.6.17-Xen (poff@lab095) (gcc version 3.4.1) #6 SMP Sat Nov 4
11:41:02 EST 2006
*** 0000 : CF000012
*** 0000 : Setup Arch
[boot]0012 Setup Arch
Adding PCI host bridge /ht
Found U3-HT PCI host bridge. Firmware bus number: 0->239
PCI Host 0, io start: 0; io end: 3fffff
Using Xen idle loop
*** 0000 : CF000015
*** 0000 : Setup Done
[boot]0015 Setup Done
Built 1 zonelists. Total pages: 49152
Kernel command line: root=/dev/hda2 sysrq=1 debug
Sharing PIC with Xen
-> xen_share_maple_init_IRQ
mpic: Setting up MPIC "Xen-U3-MPIC" version 1.2 at f8040000, max 4 CPUs
mpic: ISU size: 124, shift: 7, mask: 7f
mpic: Initializing for 124 sources
mpic: Setting up HT PICs workarounds for U3/U4
mpic: - HT:01.0 [0xb8] vendor 1022 device 7450 has 4 irqs
mpic: - HT:02.0 [0xb8] vendor 1022 device 7450 has 4 irqs
mpic: - HT:03.0 [0xf0] vendor 1022 device 7460 has 24 irqs
<- xen_share_maple_init_IRQ
PID hash table entries: 1024 (order: 10, 8192 bytes)
time_init: decrementer frequency = 199.839336 MHz
time_init: processor frequency = 1600.000000 MHz
Maple: Found RTC at IO 0x1070
firmware_features = 0x40000a
Using Xen-Maple machine description
Page orders: linear mapping = 24, virtual = 12, io = 12
Starting Linux PPC64 #6 SMP Sat Nov 4 11:41:02 EST 2006
-----------------------------------------------------
ppc64_pft_size = 0x16
ppc64_interrupt_controller = 0x1
physicalMemorySize = 0xc000000
ppc64_caches.dcache_line_size = 0x80
ppc64_caches.icache_line_size = 0x80
htab_address = 0x0000000000000000
htab_hash_mask = 0x7fff
-----------------------------------------------------
Linux version 2.6.17-Xen (poff@lab095) (gcc version 3.4.1) #6 SMP Sat Nov 4
11:41:02 EST 2006
*** 0000 : CF000012
*** 0000 : Setup Arch
[boot]0012 Setup Arch
Top of RAM: 0xc000000, Total RAM: 0xc000000
Memory hole size: 0MB
Adding PCI host bridge /ht
Found U3-HT PCI host bridge. Firmware bus number: 0->239
PCI Host 0, io start: 0; io end: 3fffff
Using Xen idle loop
On node 0 totalpages: 49152
DMA zone: 49152 pages, LIFO batch:15
*** 0000 : CF000015
*** 0000 : Setup Done
[boot]0015 Setup Done
Built 1 zonelists. Total pages: 49152
Kernel command line: root=/dev/hda2 sysrq=1 debug
Sharing PIC with Xen
mpic: Setting up MPIC "Xen-U3-MPIC" version 1.2 at f8040000, max 4 CPUs
mpic: ISU size: 124, shift: 7, mask: 7f
mpic: Initializing for 124 sources
mpic: Setting up HT PICs workarounds for U3/U4
mpic: - HT:01.0 [0xb8] vendor 1022 device 7450 has 4 irqs
mpic: - HT:02.0 [0xb8] vendor 1022 device 7450 has 4 irqs
mpic: - HT:03.0 [0xf0] vendor 1022 device 7460 has 24 irqs
PID hash table entries: 1024 (order: 10, 8192 bytes)
time_init: decrementer frequency = 199.839336 MHz
time_init: processor frequency = 1600.000000 MHz
Maple: Found RTC at IO 0x1070
Console: colour dummy device 80x25
Dentry cache hash table entries: 32768 (order: 6, 262144 bytes)
Inode-cache hash table entries: 16384 (order: 5, 131072 bytes)
freeing bootmem node 0
Memory: 186140k/196608k available (5256k kernel code, 10468k reserved, 1228k
data, 562k bss, 244k init)
Calibrating delay loop... 398.95 BogoMIPS (lpj=1994752)
Mount-cache hash table entries: 256
Brought up 1 CPUs
smp_xen_setup_cpu(0)
migration_cost=0
arch_gnttab_map: grant table at d000080082016000
setup_grant_area: mempool_create(): failed
kernel BUG in setup_grant_area at
/home/poff/linux-ppc-2.6-work.hg/arch/powerpc/platforms/xen/gnttab.c:420!
cpu 0x0: Vector: 700 (Program Check) at [c000000000a3fa50]
pc: c000000000043fc0: .arch_gnttab_map+0x1bc/0x254
lr: c000000000043fbc: .arch_gnttab_map+0x1b8/0x254
sp: c000000000a3fcd0
msr: 8000000000028032
current = 0xc000000000a31800
paca = 0xc00000000052e300
pid = 1, comm = swapper
kernel BUG in setup_grant_area at
/home/poff/linux-ppc-2.6-work.hg/arch/powerpc/platforms/xen/gnttab.c:420!
enter ? for help
0:mon>
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