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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - iommu_intel=on + i915 incompatibility in 4.17, 4.19.13 and drm-tip"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109219">109219</a>
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<th>Summary</th>
<td>iommu_intel=on + i915 incompatibility in 4.17, 4.19.13 and drm-tip
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>Other
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<th>URL</th>
<td>https://lore.kernel.org/lkml/20181227114948.ev4b3jte3ubsc5us@dcvr/T/
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>e+i915@80x24.org
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=142968" name="attach_142968" title="dmesg output with without iommu_intel set">attachment 142968</a> <a href="attachment.cgi?id=142968&action=edit" title="dmesg output with without iommu_intel set">[details]</a></span>
dmesg output with without iommu_intel set
iommu_intel=on fails with i915 on x201 Thinkpad.
Thread on LKML:
<a href="https://lore.kernel.org/lkml/20181227114948.ev4b3jte3ubsc5us@dcvr/T/">https://lore.kernel.org/lkml/20181227114948.ev4b3jte3ubsc5us@dcvr/T/</a></pre>
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