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Date:      Tue, 20 Oct 2015 01:44:52 +0300
From:      Arto Pekkanen <isoa@kapsi.fi>
To:        "Matthew D. Fuller" <fullermd@over-yonder.net>
Cc:        =?UTF-8?Q?Jean-S=C3=A9bastien_P=C3=A9dron?= <dumbbell@freebsd.org>, freebsd-x11@freebsd.org
Subject:   Re: Testing the new i915 driver (rev. 3820047)
Message-ID:  <1695c081b0e3bad8bad37b4514698aa6@kapsi.fi>
In-Reply-To: <20151018112640.GB1583@over-yonder.net>
References:  <56224C70.8040906@FreeBSD.org> <fa36569d87af96bf772fa7e66a45d9d5@kapsi.fi> <20151018112640.GB1583@over-yonder.net>

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Matthew D. Fuller kirjoitti 18.10.2015 14:26:
> On Sun, Oct 18, 2015 at 04:37:59AM +0300 I heard the voice of
> Arto Pekkanen, and lo! it spake thus:
>> 
>> When I use SNA acceleration, I can get OpenGL applications to work
>> without core dumping.
>> 
>> However, when I use UXA acceleration instead [...]
> 
> I'm under the vague impression that SNA is The Chosen Way upstream for
> Intel, and so should is all that could be expected to work.

Yeah, you are right.

Although, in Debian 8 (and probably many other distros) X.org uses UXA 
acceleration by default, unless you specifically configure SNA. This 
experience from Debian 8 LXDE live. Maybe SNA is not yet considered 
stable or production ready?

Just in case I am going to install the related ports (dri, libGL and 
apps that use them) with -g in /etc/make.conf flag and provide core 
dumps. It is the least I can do to help debug why UXA makes apps crash 
on my laptop. Actually, this is the last testing scenario I can come up 
with off the top off my head. I'll probably start working on this 
tomorrow after I wake up.

Many thanks to our developer Jean-Sébastien Pédron for developing the 
new driver :) You are doing a great job!

And many thanks to all the testers in this mailing list for 
contributing. These mails make a very interesting read and I've learned 
quite a lot.

-- 
Arto Pekkanen



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