[SeaBIOS] [Xen-devel] Regression booting winxp under Xen.

Ian Campbell Ian.Campbell at citrix.com
Mon Nov 3 11:05:05 CET 2014

On Mon, 2014-11-03 at 09:59 +0000, Ian Campbell wrote:

> I've not investigated more thoroughly yes, just posting in case
> something obvious leaps out at someone. The automated test is currently
> bisecting the issue, once it is done I'll let you know the result.

If I'd read a bit further through my Monday morning INBOX I'd have
which indicates that the bisector has fingered:

  commit 99cb8f3e9af516954b2f2fba97ce1856e3d7b93f
  Author: Kevin O'Connor <kevin at xxxxxxxxxxxx>
  Date:   Tue Oct 21 14:34:06 2014 -0400
      Do full BREGS backup/restore for pmm, pnp, and irqentry_extrastack
      Although these entry points only require backup and restore of the
      registers that the C code clobbers, there is no harm in backing up
      some additional registers.  This allows the BREGS macros to be used
      which makes the code a little more readable.
      Signed-off-by: Kevin O'Connor <kevin at xxxxxxxxxxxx>


> [1] http://lists.xen.org/archives/html/xen-devel/2014-10/msg03543.html
> [2] http://lists.xen.org/archives/html/xen-devel/2014-10/msg01993.html
> [3] http://www.chiark.greenend.org.uk/~xensrcts/logs/31223/test-amd64-i386-xl-qemuu-winxpsp3-vcpus1/info.html
> [4] http://www.chiark.greenend.org.uk/~xensrcts/logs/31223/
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