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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - i915_init takes over 100 ms"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105622#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - i915_init takes over 100 ms"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105622">bug 105622</a>
from <span class="vcard"><a class="email" href="mailto:pmenzel+bugs.freedesktop@molgen.mpg.de" title="Paul Menzel <pmenzel+bugs.freedesktop@molgen.mpg.de>"> <span class="fn">Paul Menzel</span></a>
</span></b>
<pre>(In reply to David Weinehall from <a href="show_bug.cgi?id=105622#c19">comment #19</a>)
<span class="quote">> I can confirm that Chris's patch brings the synchronous part of the init
> time down to roughly nothing (0.5ms).</span >
Awesome.
<span class="quote">> The main culprits on my laptop are:
>
> acpi_init (over 600ms)</span >
Yes, ACPI is really bad, and probably the tables created by the firmware is
badly written. Users should complain more about that.
<span class="quote">> rsa_init (over 300ms)</span >
Adding `cryptomgr.notests` should disable that.
<span class="quote">> rmi_smb_driver_init (over 300ms)</span >
I do not have that on my system.</pre>
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