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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - CPU core 1/4 stuck at 70% load only if i915 is loaded"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90014#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - CPU core 1/4 stuck at 70% load only if i915 is loaded"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90014">bug 90014</a>
from <span class="vcard"><a class="email" href="mailto:gianguidorama@gmail.com" title="Gianguido Sora` <gianguidorama@gmail.com>"> <span class="fn">Gianguido Sora`</span></a>
</span></b>
<pre>perf top reveals that:
acpi_ns_search_one_scope
acpi_os_read_port
acpi_os_write_port
are eating about 15% of CPU each.
If the system is loaded with "i915.modeset=0" CPU levels are normal and perf
does not reveal any strange activity.</pre>
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