On Tue, Jan 17, 2017 at 8:54 PM, Jan Beulich <jbeul...@suse.com> wrote:
> >>> On 17.01.17 at 11:49, <firemet...@users.sourceforge.net> wrote: > > I was trying to figure out if I followed your instruction properly. > > My first attempt only resulted in a binary with similar size with my > > previous one. > > Probably something went wrong. > > I put my source under /nas/src/xen, and I have a /nas/src/xen/.config > file > > for the > > python layout knob according to the wiki. > > My first attempt put th CONFIG_DEBUG=y line in the same file. > > But now I suspect if I should use /nas/src/xen/xen/.config (note the > double > > 'xen'). > > Yes indeed, that's the one. And you shouldn't add a new line, but > instead edit the existing one (with CONFIG_DEBUG commented out). > Hi Jan, I think debug build works this time. For unknown reason, debug version of hypervisor will cause domU hang if gfx-passthrough=1 is present (traditional device model). But fortunately commenting out that line could still reproduce the IOMMU fault. I was lucky to capture the full log before it fills up my 100MB ring buffer (in less than 2 seconds). Please find the log in the attachment. Thanks, G.R.
dmsg.log.bz2
Description: BZip2 compressed data
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