<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - System hangs on resume because of Intel Rapid Start Technology" href="https://bugs.freedesktop.org/show_bug.cgi?id=91295#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - System hangs on resume because of Intel Rapid Start Technology" href="https://bugs.freedesktop.org/show_bug.cgi?id=91295">bug 91295</a> from <a class="email" href="mailto:gabriele.mzt@gmail.com" title="Gabriele Mazzotta <gabriele.mzt@gmail.com>"> Gabriele Mazzotta</a> <pre>Hi, I ran a bisection and found the culprit: commit 149c86e74fe44dcbac5e9f8d145c5fbc5dc21261 Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Tue Apr 7 16:21:11 2015 +0100 drm/i915: Allocate context objects from stolen As we never expose context objects directly to userspace, we can forgo allocating a first-class GEM object for them and prefer to use the limited resource of reserved/stolen memory for them. Note this means that their initial contents are undefined. However, a downside of using stolen objects for execlists is that we cannot access the physical address directly (thanks MCH!) which prevents their use. Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Signed-off-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>> I also built 4.2-rc1 with that commit reverted and everything works as expected.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>