[Bug 105622] i915_init takes over 100 ms

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Mar 23 14:43:11 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=105622

--- Comment #20 from Paul Menzel <pmenzel+bugs.freedesktop at molgen.mpg.de> ---
(In reply to David Weinehall from comment #19)
> I can confirm that Chris's patch brings the synchronous part of the init
> time down to roughly nothing (0.5ms).

Awesome.

> The main culprits on my laptop are:
> 
> acpi_init (over 600ms)

Yes, ACPI is really bad, and probably the tables created by the firmware is
badly written. Users should complain more about that.

> rsa_init (over 300ms)

Adding `cryptomgr.notests` should disable that.

> rmi_smb_driver_init (over 300ms)

I do not have that on my system.

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