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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Radeonsi on Grenada cards (r9 390) exceptionally unstable and poorly performing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91880#c37">Comment # 37</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Radeonsi on Grenada cards (r9 390) exceptionally unstable and poorly performing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91880">bug 91880</a>
from <span class="vcard"><a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>(In reply to John Frei from <a href="show_bug.cgi?id=91880#c36">comment #36</a>)
<span class="quote">> I assume that the second try (boot with unmodified kernel parameters) the
> module radeon was used.
> The only thing I can try is to compile the kernel without the 'amdgpu CIK
> parts', but this should not affect the radeon module, right?</span >
Either disable CIK support in amdgpu or blacklist the amdgpu module (e.g.,
modprobe.blacklist=amdgpu on the kernel command line in grub) to keep the
amdgpu driver from loading on CIK hardware.</pre>
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