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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel 4.10-rc2 on APU with Kaveri + Topaz : boot hangs on switch to amdgpudrmfb"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99261#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel 4.10-rc2 on APU with Kaveri + Topaz : boot hangs on switch to amdgpudrmfb"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99261">bug 99261</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 SET from <a href="show_bug.cgi?id=99261#c2">comment #2</a>)
<span class="quote">> I tried to bisect for the first time, here's what I did :
>
> git bisect start
> git bisect bad
> git bisect good v4.9
> Bisecting: 5782 revisions left to test after this (roughly 13 steps)
> [72cca7baf4fba777b8ab770b902cf2e08941773f] Merge tag 'staging-4.10-rc1' of
> git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
>
> ... compile ... The resulting kernel loads amdgpu with a usable X.
>
> git bisect good
> Bisecting: 2865 revisions left to test after this (roughly 12 steps)
> [775fadd09e7beac2fc61cc0517629e9fa69bdb56] Merge tag 'armsoc-defconfig' of
> git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
>
> Now I don't know what else to do !</span >
if things work:
git bisect good
of things don't work:
git bisect bad
and continue until it's done.
<span class="quote">>
> This patch seems to indicate locating vbios is being reworked, something is
> probably left out.
> <a href="https://lists.freedesktop.org/archives/amd-gfx/2016-December/004179.html">https://lists.freedesktop.org/archives/amd-gfx/2016-December/004179.html</a></span >
That code is not upstream yet. We haven't really touched the vbios fetching
code in a long time, so if you are seeing a regression, it's probably somewhere
else.</pre>
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