Re: [Xen-users] Xen 3.4.1: pygrub Error: Boot loader didn't return any data!

[Gerry Reno <greno@xxxxxxxxxxx>]

Fajar A. Nugraha wrote:
> As a side not, you MIGHT be able to use pvgrub. It uses something like
> this on domU config file
>
> kernel="/usr/lib/xen/boot/pv-grub-x86_64.gz"
> extra="(hd0,1)/boot/grub/menu.lst"
>
> Since the config file is specified directly as "extra" line, it should
> not need to use the information in partition table to determine which
> partition is active.
>   
I tried this and things are starting to work a little.  Here's what i 
get using pv-grub:
# xm create CLOUD-CC-1.py
Using config file "./CLOUD-CC-1.py".
Started domain CLOUD-CC-1 (id=17)
root@grp-01-23-02:/var/lib/xen/images# xm console CLOUD-CC-1
Xen Minimal OS!
 start_info: 0xb8e000(VA)
   nr_pages: 0x40000
 shared_inf: 0xafdd1000(MA)
    pt_base: 0xb91000(VA)
nr_pt_frames: 0xb
   mfn_list: 0x98e000(VA)
  mod_start: 0x0(VA)
    mod_len: 0
      flags: 0x0
   cmd_line: (hd0,4)/boot/grub/menu.lst
 stack:      0x94d9a0-0x96d9a0
MM: Init
     _text: 0x0(VA)
    _etext: 0x5f90d(VA)
  _erodata: 0x77000(VA)
    _edata: 0x7fb00(VA)
stack start: 0x94d9a0(VA)
      _end: 0x98dfa8(VA)
 start_pfn: b9f
   max_pfn: 40000
Mapping memory range 0x1000000 - 0x40000000
setting 0x0-0x77000 readonly
skipped 0x1000
MM: Initialise page allocator for d97000(d97000)-40000000(40000000)
MM: done
Demand map pfns at 40001000-2040001000.
Heap resides at 2040002000-4040002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x40001000.
Initialising scheduler
Thread "Idle": pointer: 0x2040002010, stack: 0xfb0000
Initialising xenbus
Thread "xenstore": pointer: 0x20400027c0, stack: 0xfc0000
Dummy main: start_info=0x96daa0
Thread "main": pointer: 0x2040002f70, stack: 0xfd0000
"main" "(hd0,4)/boot/grub/menu.lst"
vbd 51712 is hd0
******************* BLKFRONT for device/vbd/51712 **********


backend at /local/domain/0/backend/tap/17/51712


And it just gets stuck right here in state "-b-----".

-Gerry


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