Date: Thu, 15 Nov 2007 15:55:28 -0500 From: "J.R. Oldroyd" <fbsd@opal.com> To: Thomas Dickey <dickey@radix.net> Cc: freebsd-x11@freebsd.org Subject: Re: pixel corruption in wide xterms Message-ID: <20071115155528.2926848d@linwhf.opal.com> In-Reply-To: <20071115203544.GA19330@saltmine.radix.net> References: <20071115121149.674e5b7a@linwhf.opal.com> <20071115203544.GA19330@saltmine.radix.net>
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--Sig_/3g8yJwkxZwATFKQhUpb7X_y Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Thu, 15 Nov 2007 15:35:45 -0500, Thomas Dickey <dickey@radix.net> wrote: > > On Thu, Nov 15, 2007 at 12:11:49PM -0500, J.R. Oldroyd wrote: > > Since being advised a couple of weeks ago on this list to switch from > > the xf86-video-i810 driver to the xf86-video-intel driver, I am seeing > > pixel corruption in xterm windows. > >=20 > > The pixel corruption consists of collections of lit pixels where there > > are no characters and, occasionally, also unlit pixels where there are > > characters. These corrupted areas scroll with the xterm. The > > corruption happens only on wide xterms, seemingly when columns >=3D 158, > > which is often the case for me as I use a 1600x1200 display and an xterm > > font size that can fit up to 175 columns in a maximized xterm window. > > It also seems to happen only at the left of the screen. >=20 > I think xterm's innocent here, but I am curious. A few comments which > may be useful to whoever's responsible for the driver: >=20 > Does the glitch happen if the xterm isn't positioned at the left-margin o= f the > screen?=20 >=20 Yes. But I notice that it does depend on how many lines of the xterm window are on the screen. If I move the window partially off the screen the problem persists until < 158 columns remain on the screen. As soon as 157 or less columns are on the screen, the problem goes away, even though the xterm window is still larger. > Does this happen in remote xterms, or just the local? >=20 It also happens if I log into a remote host then run a remote xterm back to this display. -jr --Sig_/3g8yJwkxZwATFKQhUpb7X_y Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFHPLJAls33urr0k4kRAp3zAJ4o5z7v/DHnubaC7Boe2TxDtnyJCgCgolB4 imQ/wxNL3ZwRzIMggiH8HoU= =PhLI -----END PGP SIGNATURE----- --Sig_/3g8yJwkxZwATFKQhUpb7X_y--
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