[Xen-users] My failures so far. Or qemu-stable or upstream?

[ShadesOfGrey <shades_of_grey@xxxxxxxxxxxxx>]

During my first two attempts to install Xen and create a Debian based DomU, I got the following error:

xl create /etc/xen/debian.cfg
Parsing config from /etc/xen/debian.cfg
xc: info: VIRTUAL MEMORY ARRANGEMENT:
  Loader:        0000000000100000->0000000000175488
  TOTAL:         0000000000000000->000000001f800000
  ENTRY ADDRESS: 0000000000100608
xc: info: PHYSICAL MEMORY ALLOCATION:
  4KB PAGES: 0x0000000000000200
  2MB PAGES: 0x00000000000000fb
  1GB PAGES: 0x0000000000000000
libxl: error: libxl_dm.c:1086:libxl__spawn_local_dm: device model /usr/lib/xen-4.2/bin/qemu-dm is not executable: No such file or directory
libxl: error: libxl_dm.c:1212:device_model_spawn_outcome: (null): spawn failed (rc=-3)

With my first attempt, Plan A, I compiled xen-unstable and after tweaking my config file I did something to 'fix' the error.  Don't remember exactly what I did, but I fear I just commented out the "builder" line, which makes sense.  A short time later though, I did something that broke the xenstore and xenconsole daemons.  In a fit of frustration, I went to Plan B.

To execute Plan B, I decided to restart from scratch and use Xen 4.2 from Debian's experimental repositories.  Things went smoothly until I tried to create my first DomU.  The same error message again.  This time I went searching and found a reference to it in Debian's bug tracking system.  Although, it did not offer a clear solution.  So, I figured I'd try to install qemu from the Debian repositories.  Sadly, I got a similar error about qemu missing, though this time not "qemu-dm"... I think it was "qemu-system-i386" but I can't recall exactly.  I thought I captured the error message, but either I didn't or I misplaced the text file.  Anyway, the result was the same.

Now I'm on Plan C.  Which is just revisiting Plan A.  Re-installing from scratch and compiling Xen and the linux kernel from source.  This time however, I plan to snapshot my Dom0's LV after I compile and before I install so I can easily revert to a 'clean' system.  So, I'm about to compile the latest xen-unstable per the instructions here.  However, I'm unsure if I should build xen with qemu-upstream as mentioned on this page, or go with vanilla qemu-stable-1.0?  Which I gather should be built during the compilation of Xen... though given the error messages, I wonder about that.

Advice, please?

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