[Xen-devel] Possible qemu-dm breakage (cset: "Add missing #include <assert.h>")

[Simon Horman <horms@xxxxxxxxxxxx>]

Hi,

I'm seeing the following error message when trying
to start an HVM domain on x86_64 using today's xen-unstable.hg
and qemu-xen-unstable.git.

Started domain debian (id=44)
xenconsole: Could not read tty from store: No such file or directory

(Yes, I've tried different combinations 44 times :-)

Here is my test matrix:

                      |  xen-unstable.hg   |  xen-unstable.hg
                      | 19355:0e1449d6f231 | 19375:92a6cc5eae2e
----------------------+--------------------+----------------------
qemu-xen-unstable.git |                    |       fails
5725fa0e7f4ee77875d9  |    not tested      |         as
cd64fe0ccae7a3a449e2  |                    |      described
  (current HEAD)      |                    |        above
----------------------+--------------------+----------------------
qemu-xen-unstable.git |                    |
82787c6f689d869ad349  |       ok           |         ok
df83ec3f58702afe00fe  |                    |
                      |                    |
----------------------+--------------------+----------------------

I tried doing a bisection on qemu-xen-unstable.git and testing
several more recent revisions. But every revision that I tested
either failed to build or was broken in some way other than the
error described above - all merging-related issues I assume.

Let me know what if any logs or further testing would be helpful.


For completeness, the subjects of the commits discussed above are:

* xen-unstable.hg
  - 19375:92a6cc5eae2e
    Revert debugging patch c/s 19344
  - 19355:0e1449d6f231 
    xenpm: Add CPU topology info (thread/core/socket)
    
* qemu-xen-unstable.git
  - 5725fa0e7f4ee77875d9cd64fe0ccae7a3a449e2 (current HEAD)
    Add missing #include <assert.h>
  - 82787c6f689d869ad349df83ec3f58702afe00fe
    Override default cache mode for disk images to write-back


-- 
Simon Horman
  VA Linux Systems Japan K.K., Sydney, Australia Satellite Office
  H: www.vergenet.net/~horms/             W: www.valinux.co.jp/en


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