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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Regression: Lenovo e585 (ryzen 2500u) freezes during boot with 4.20-rc5/rc6, amdgpu error"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108992#c13">Comment # 13</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Regression: Lenovo e585 (ryzen 2500u) freezes during boot with 4.20-rc5/rc6, amdgpu error"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108992">bug 108992</a>
from <span class="vcard"><a class="email" href="mailto:aeon.descriptor@gmail.com" title="Brian <aeon.descriptor@gmail.com>"> <span class="fn">Brian</span></a>
</span></b>
<pre>FYI, as a workaround, you can use the kernel opt:
iommu=pt
..at least, on 4.20 rc7, which is the only one I've tried that on, but it
should work with others.</pre>
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