<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [KVM][GVT-d] [BDW & SKL ]Ubuntu 16.04 guest boot up with GPU Hang with drm-intel kernel" href="https://bugs.freedesktop.org/show_bug.cgi?id=99028#c11">Comment # 11</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [KVM][GVT-d] [BDW & SKL ]Ubuntu 16.04 guest boot up with GPU Hang with drm-intel kernel" href="https://bugs.freedesktop.org/show_bug.cgi?id=99028">bug 99028</a> from <a class="email" href="mailto:xiong.y.zhang@intel.com" title="XiongZhang <xiong.y.zhang@intel.com>"> XiongZhang</a> <pre>I use upstream 4.9 kernel as host and guest kernel, I also see GPU hang in guest. git bisect tell me the first bad commit is: commit 49ef5294cda256aa5496ba56bbf859d3c7a17e07 Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Thu Aug 18 17:17:00 2016 +0100 drm/i915: Move fence tracking from object to vma In order to handle tiled partial GTT mmappings, we need to associate the fence with an individual vma. v2: A couple of silly drops replaced spotted by Joonas Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Reviewed-by: Joonas Lahtinen <<a href="mailto:joonas.lahtinen@linux.intel.com">joonas.lahtinen@linux.intel.com</a>></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>