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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [915 Haswell ULT Asus UX302LA/LG] eDP bpp clamping results in blank screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73567#c30">Comment # 30</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [915 Haswell ULT Asus UX302LA/LG] eDP bpp clamping results in blank screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73567">bug 73567</a>
from <span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=73567#c29">comment #29</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=73567#c28">comment #28</a>)
> > Why "acpi_osi=" in kernel cmdline?
>
> Fixes a couple of other issues : Airplane mode key and Screen backlight
> control key (doesn't work otherwise, c.f.
> <a href="https://bugs.launchpad.net/ubuntu/+bug/1270661">https://bugs.launchpad.net/ubuntu/+bug/1270661</a>) Yeah, that laptop is a gift
> :)</span >
Did you try the newer kernels without that, wrt this bug?</pre>
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