From: dhylands@gmail.com (Dave Hylands)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Problems with disabling Optimization
Date: Sun, 5 Jun 2011 22:12:36 -0700 [thread overview]
Message-ID: <BANLkTi=0YoGHAnUf25_LC8iWRwUZzB-rjw@mail.gmail.com> (raw)
In-Reply-To: <20110606025247.GC15480@internetdog.org>
Hi Ali,
On Sun, Jun 5, 2011 at 7:52 PM, Ali Bahar <ali@internetdog.org> wrote:
>> ? ? ? ? ? ? ? ?Disabling O2 and Os on Kernel building, I am getting the
>> following error. Can you please help me in debugging this.
>
>> ERROR: "intel_gmbus_is_forced_bit" [drivers/gpu/drm/i915/i915.ko] undefined!
>> ERROR: "__udivdi3" [drivers/gpu/drm/i915/i915.ko] undefined!
>> make[2]: *** [__modpost] Error 1
>> make[1]: *** [modules] Error 2
>> make: *** [sub-make] Error 2
>
> It's been a while since I (last) disabled these, but I did not run
> into a compilation error because of it. And I recall the box needing
> i915, too. ?Is this a case of simply needing to do a _clean_ build?
It's a case of needing to replace the 64-bit division with something
that involves a call to do_div, or otherwise eliminating the 64 bit
division.
--
Dave Hylands
Shuswap, BC, Canada
http://www.davehylands.com
prev parent reply other threads:[~2011-06-06 5:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-02 10:28 Problems with disabling Optimization Prabhu nath
2011-06-02 14:49 ` Dave Hylands
2011-06-06 2:52 ` Ali Bahar
2011-06-06 5:12 ` Dave Hylands [this message]
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