On 12/16/2011 06:07 PM, Richard W.M. Jones wrote:

git bisect says this.  I didn't believe it first time, so I ran it
twice with a few modifications, and it pointed to the same commit both
times ...

67882fd177389527510eb36b3f7712011a835545 is the first bad commit
commit 67882fd177389527510eb36b3f7712011a835545
Author: Max Filippov<jcmvb...@gmail.com>
Date:   Tue Sep 6 03:55:28 2011 +0400

     target-xtensa: implement narrow instructions

     Instructions with op0>= 8 are 2 bytes long, others are 3 bytes long.

     Signed-off-by: Max Filippov<jcmvb...@gmail.com>
     Signed-off-by: Blue Swirl<blauwir...@gmail.com>

Rich.

If you disable virtio-serial on the QEMU command line, does the guest boot successfully?

I believe this is a guest kernel regression in virtio-serial.

Regards,

Anthony Liguori




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