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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - i915 w/ 845GL: black screen with moveable mouse when X/kdm starts"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80629#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - i915 w/ 845GL: black screen with moveable mouse when X/kdm starts"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80629">bug 80629</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Looks like an issue with stolen memory. Simple test:
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c
b/drivers/gpu/drm/i915/i915_gem_stolen.c
index 78fa532..2bce530 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -330,6 +330,8 @@ int i915_gem_init_stolen(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
struct resource *r;
+ return 0;
+
#ifdef CONFIG_INTEL_IOMMU
if (intel_iommu_gfx_mapped && INTEL_INFO(dev)->gen < 8) {
DRM_INFO("DMAR active, disabling use of stolen memory\n");</pre>
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