[XenPPC] Xen hangs

[David M Daly <dmdaly@xxxxxxxxxx>]

I'm running Xen on a JS21 and am using
a straight xen_maple_defconfig for Dom0, both cloned from mercurial on
xenbits. When I boot from nfsroot, sometimes Xen hangs. I've included a
sample output below. I originally thought it was dependant on boot args
passed to Xen and Dom0, but now I notice changing behavior, where sometimes
a target will boot, and sometimes it will hang. When it does hang, it is
always around the same place in the output. 

Let me know what further tests you would
like, and I will do them tomorrow. 

OF: Xen/PPC version 3.0-unstable (root@xxxxxxxxxxxxxx)
(gcc version 4.1.0 (SUSE Linux)) Mon Sep 25 21:55:21 EDT 2006
boot_of_init args: 0x400000 0x0 0x111027c
0x0 0x0
boot msr: 0x1000000000003000
boot_of_init: _start 0000000000400100
_end 000000000072d8b8 0x0
boot_of_probemem: memory 0x0000000000000000[0x80000000]
boot_of_probemem: memory 0x0000000100000000[0x180000000]
bootargs =  -- ro root=/dev/nfs
nfsroot=9.2.208.86:/home/apw/devel/nfsroots/sles10-rootfs ip=9.2.78.86::9.2.78.1:255.255.255.0:cso86:eth1:off
init=/sbin/quickinit
boot_of_module: Dom0 is linked in: 0x44d6c4[size
0x2a26f9]
mod0: 177 E L F
boot_of_module: mod[0] @ 0x000000000044d6c4[0x6efdbd]
boot_of_module: mod[0].string: ro root=/dev/nfs
nfsroot=9.2.208.86:/home/apw/devel/nfsroots/sles10-rootfs ip=9.2.78.86::9.2.78.1:255.255.255.0:cso86:eth1:off
init=/sbin/quickinit
find_space base=0x000000000072d8b8  eomem=0x0000000080000000
 size=0x00030000  align=0x1000
creating oftree
pkg_save: saved device tree in 0x42a0
bytes
boot_of_module: mod[1] @ 0x0000000000900000[0x930000]
pruning `/ht/isa@8/serial@3f8' from
devtree
pruning `/ht/isa@8/serial@2f8' from
devtree
boot_of_serial: ISA base: 0xf4000000
boot_of_serial: ISRC=0x44, but forcing
poll mode
OF: timebase-frequency = 14318378 Hz
OF: clock-frequency = 2500000 KHz
spinning up secondary processor #1:
ping = 0xffffffff: pong = 0x1
spinning up secondary processor #2:
ping = 0xffffffff: pong = 0x2
spinning up secondary processor #3:
ping = 0xffffffff: pong = 0x3
 __  __      
     _____  ___          
          _        _  
  _
 \ \/ /___ _ __   |___ / /
_ \    _   _ _ __  ___| |_ __ _| |__ | | ___
  \  // _ \ '_ \    |_
\| | | |__| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
  /  \  __/ | | |  ___)
| |_| |__| |_| | | | \__ \ || (_| | |_) | |  __/
 /_/\_\___|_| |_| |____(_)___/
   \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
           
                     
                     
                 
 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer
Laboratory
 
 Xen version 3.0-unstable (root@xxxxxxxxxxxxxx)
(gcc version 4.1.0 (SUSE Linux)) Mon Sep 25 21:55:21 EDT 2006
 Latest ChangeSet: Tue Aug 29 07:07:57
2006 -0400 11747:9c4858991254
 
(XEN) Physical RAM map:
(XEN) End of RAM: 10240MB (10485760kB)
(XEN) total_pages: 0x00000000001fc000
(XEN) free_xenheap: 0x55000 - 0x400000
(XEN) Xen heap: 63MB (65196kB)
(XEN) free_xenheap: 0x72e000 - 0x4000000
(XEN) free_xenheap:     Go
around the devtree: 0x900000 - 0x930000
(XEN) Domheap pages: 0x1f4800 8008MB
(8200192kB)
(XEN) CPU #0: Hello World! SP = 44ceb0
TOC = 71f8b8 HID0 = 51118180000000
(XEN) spinning up at most 16 total processors
...
(XEN) CPU #1: Hello Wo


David Daly
Research Staff Member
32-003 IBM T.J. Watson Research Center
Yorktown Heights, NY, 10958
(914) 945-1845, T/L 862-1845
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