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[Qemu-ppc] qemu-system-ppc unable to boot past "returning from prom_init

From: Prasad Deshpande
Subject: [Qemu-ppc] qemu-system-ppc unable to boot past "returning from prom_init"
Date: Wed, 21 Dec 2011 06:14:31 -0800 (PST)


  I am trying to run qemu-system-ppc with a stripped down kernel ppc image based on 2.6.29. qemu never goes beyond

Calling quiesce ...
returning from prom_init

 I haven't seen a solution to this posted on qemu page or in the qemu-ppc mailing list archive. I found a bug for this but it seems to have expired. https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/544330

 Any help is appreciated.


Here are the details:

qemu: version 1.0
Linux: kernel based on 2.6.9
Command line: qemu-system-ppc -hda linuxppc-disk.qcow2 -vnc localhost:1 -kernel LINUX/vmlinux -initrd LINUX/rImage.gz -append console=ttyS0

(append console=ttyS0 didnt make any difference).

Here is the complete output with -nographic:

[~/Work/t/sc/common/samples/qemu] qemu-system-ppc -hda linuxppc-disk.qcow2 -kernel LINUX/vmlinux -initrd LINUX/rImage.gz -nographic

>> =============================================================
>> OpenBIOS 1.0 [Sep 28 2011 20:46]
>> Configuration device id QEMU version 1 machine id 2
>> CPUs: 1
>> Memory: 128M
>> UUID: 00000000-0000-0000-0000-000000000000
>> CPU type PowerPC,750
Welcome to OpenBIOS v1.0 built on Sep 28 2011 20:46
>> [ppc] Kernel already loaded (0x01000000 + 0x001e09f4) (initrd 0x012e1000 + 0x00132115)
>> [ppc] Kernel command line: console=ttyS0
OF stdout device is: /address@hidden/address@hidden/address@hidden/address@hidden
command line:
memory layout at init:
  alloc_bottom : 01414000
  alloc_top    : 08000000
  alloc_top_hi : 08000000
  rmo_top      : 08000000
  ram_top      : 08000000
Looking for displays
found display   : /address@hidden/QEMU,address@hidden, opening ... done
copying OF device tree ...
Building dt strings...
Building dt structure...
Device tree strings 0x01415000 -> 0x014154fb
Device tree struct  0x01416000 -> 0x01418000
Calling quiesce ...
returning from prom_init


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