Date: Mon, 25 Jul 2016 12:03:40 +0200 From: <lists@olivarim.com> To: Natasha Kerensikova <natbsd@instinctive.eu>, "freebsd-x11@freebsd.org" <freebsd-x11@freebsd.org> Subject: RE: 4.6 DM/i915 test report on Bay Trail (Celeron J1800) Message-ID: <201607251003.u6PA3das027988@smtp5.infomaniak.ch> In-Reply-To: <20160725093641.GA98977@nat.rebma.instinctive.eu> References: <20160725093641.GA98977@nat.rebma.instinctive.eu>
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Hi Natasha, Did you ever try to load a recent linux distribution onto the NUC? I ask th= at question because I also own a NUC (the pentium one, with the same graphi= cs) and I saw the very same artifacts you=E2=80=99re talking about with Fed= ora 23 and 24. If you boot the Fedora 24 live media, you are likely to see = them too. On Fedora 23, they only appear post install. I=E2=80=99m mentionning this here because as far as I know, the FreeBSD int= el driver is ported from Linux, and I=E2=80=99m afraid that those issues we= re also ported with it. On the Linux side, those artifacts made the computer unusable. One way to g= et rid of them was to disable SNA acceleration in xorg.conf. This change ha= s a cost, though, as it dramatically slows down the graphical rendering. An= other one was to switch from Xorg to Wayland, which seems unaffected by the= bug, probably because it does not use the same acceleration preset. Interestingly, I never saw those artifacts with OpenSUSE Leap 42.1. It seem= s they were not widely discussed: I did not find any reference to them on G= oogle. I hope this helps a little, Marin. De=C2=A0: Natasha Kerensikova=
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