2.6.10.-rc1 on ppc64 - returning from prom_init hang

[Benjamin Herrenschmidt]

On Wed, 2004-10-27 at 18:16 -0500, Doug Maxey wrote:
> Anyone have any thoughts on this?  I have xmon=on, but it stops before it gets 
> there...  for this iteration, added console=hvsi1, did not change anything.
> 
> This libata-dev-2.6 on power5 system.

If your system supports old-style "HVC console" HV calls to output
things, then you can enable the early debug stuff for that in setup.c.
If not, then you'll have to write an HVSI style early debug stuff...
 
> Config file read, 1024 bytes
> Welcome
> Welcome to yaboot version 1.3.12
> Enter "help" to get some basic usage information
> boot:
>   2.6.10-rc1-ata-1         * linux
> boot: 2.6.10-rc1-ata-1
> Please wait, loading kernel...
>    Elf64 kernel loaded...
> Loading ramdisk...
> ramdisk loaded at 02300000, size: 1306 Kbytes
> OF stdout device is: /vdevice/vty at 30000001
> Hypertas detected, assuming LPAR !
> command line: root=/dev/VolGroup00/LogVol00 ro rhgb quiet console=hvsi1 xmon=on
> memory layout at init:
>   alloc_bottom : 0000000002447000
>   alloc_top    : 0000000008000000
>   alloc_top_hi : 0000000075000000
>   rmo_top      : 0000000008000000
>   ram_top      : 0000000075000000
> Looking for displays
> found display   : /pci at 800000020000002/pci at 2,2/pci at 1/display at 0, opening ... done
> instantiating rtas at 0x00000000077d9000... done
> 0000000000000000 : boot cpu     0000000000000000
> 0000000000000002 : starting cpu hw idx 0000000000000002... done
> copying OF device tree ...
> Building dt strings...
> Building dt structure...
> Device tree strings 0x0000000002748000 -> 0x00000000027492f8
> Device tree struct  0x000000000274a000 -> 0x000000000275a000
> Calling quiesce ...
> returning from prom_init
>  
> ++doug
> 
> 
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-- 
Benjamin Herrenschmidt <benh at kernel.crashing.org>