Date: Tue, 04 May 2010 03:14:44 -0500 From: Robert Noland <rnoland@FreeBSD.org> To: Peter Jeremy <peterjeremy@acm.org> Cc: x11@FreeBSD.org, Martin Wilke <miwi@FreeBSD.org> Subject: Re: [HEADS UP] Xorg 7.5 merge comming tomorrow. Message-ID: <4BDFD774.80908@FreeBSD.org> In-Reply-To: <20100504063701.GD52686@server.vk2pj.dyndns.org> References: <20100430183522.GD64008@bsdcrew.de> <20100503061344.GA98887@server.vk2pj.dyndns.org> <4BDEE40F.9080503@FreeBSD.org> <20100503215027.GA52686@server.vk2pj.dyndns.org> <4BDFB7BF.9080600@FreeBSD.org> <20100504063701.GD52686@server.vk2pj.dyndns.org>
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Peter Jeremy wrote: > On 2010-May-04 00:59:27 -0500, Robert Noland <rnoland@FreeBSD.org> wrote: >> Hrm, do bad things happen before a pixel crosses vertical 2048? > > I only have 1024 vertical px. As far as I can tell, in a side-by-side > configuration, the problems start as soon as I write pixels onto the > RH window. I will do so more careful checks and see if there's any > region on the left side of the RH display that is OK. > >> It >> looks like you have 2 1280x1024 displays and a virtual framebuffer 2560 >> pixels wide. > > That's the normal configuration. I have also tried stacking > vertically (so I have a 1280x2048 VFB). In this case, the top ~1/4 of > the lower screen is OK (and a slightly smaller region at the bottom > also appears OK) and the rest is corrupt. I've tried increasing the > VFB size (via a "Screen" Virtual directive) to no avail. > >> I'm wondering if the issue occurs as soon as the window >> starts onto the second display, or if it has to go past 2048 before the >> problem appears. > > Definitely not related to 2048 horizontal px. > > There is a screenshot (from the xorg7.5 test patchset but it looks > the same) in http://bugs.freedesktop.org/show_bug.cgi?id=27805 Ok, not sure what else to suggest, other than I will try to reproduce it... I know I said that before, but my list of stuff to do is approaching infinity... Good news is that I do have an x600 around here, I just have to find it... robert.
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