Thank you all for your quick, helpful replies! This was about to become a headache for us, so the identification of a fix so quickly is fantastic.
On Thu, 2014-02-06 at 02:31 -0600, Gerd Hoffmann wrote:
That commit made seabios size (default qemu config, gcc 4.7+) jump from 128k to 256k in size because the code didn't fit into 128k any more.
Makes sense. Thanks for the explanation.
On Thu, 2014-02-06 at 02:37 -0600, Ian Campbell wrote:
I think this was fixed in Xen with http://xenbits.xen.org/gitweb/?p=xen.git%3Ba=commit%3Bh=5f2875739beef3a75c7a...
I have confirmed that applying that patch to our Xen sources fixes the problem.
I've filed a bug with Debian's Xen package on this matter, with the hope they'll backport that commit. http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737905