On 12/13/16 12:07, Konstantin Belousov wrote:
On Tue, Dec 13, 2016 at 11:49:37AM -0500, Michael Butler wrote:
I've been bitten by this twice on a KDE desktop in the last 24 hours ..
same error on both occasions :-(

error: [drm:pid1197:i915_gem_object_pin] *ERROR* WARN ON: obj->pin_count
== DRM_I915_GEM_OBJECT_MAX_PIN_COUNT
pid 1197 (Xorg), uid 0: exited on signal 6 (core dumped)

  [ .. ]

error: [drm:pid16212:i915_gem_object_pin] *ERROR* WARN ON:
obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT
pid 16212 (Xorg), uid 0: exited on signal 6 (core dumped)

I see only one change in the dev/drm2 sources (r309712) but there have
been many in the vm code.

Any hints/pointers appreciated,

This is indeed a bug in r309712, it seems.  Please try this.

diff --git a/sys/dev/drm2/i915/i915_gem.c b/sys/dev/drm2/i915/i915_gem.c
index 2a53ae8f8ed..0fa5249e553 100644
--- a/sys/dev/drm2/i915/i915_gem.c
+++ b/sys/dev/drm2/i915/i915_gem.c
@@ -1521,7 +1521,7 @@ retry:

 [ .. ]

That seems to have fixed it - thanks for the quick response :-)

        Michael


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