Date: Thu, 24 Mar 2016 02:38:23 +0000 From: bugzilla-noreply@freebsd.org To: x11@FreeBSD.org Subject: [Bug 199310] [TTM][DRM]Artifact in graphic/Font rendering problem(artifact/gaps/missing characters/black line instead text) with radeon on 10.2/10.3-RC2/3-RELEASE/10-STABLE Message-ID: <bug-199310-7141-WxzVSwgT3d@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-199310-7141@https.bugs.freebsd.org/bugzilla/> References: <bug-199310-7141@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D199310 sasamotikomi@gmail.com changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|www/firefox: Font rendering |[TTM][DRM]Artifact in |problem on 10-STABLE |graphic/Font rendering | |problem(artifact/gaps/missi | |ng characters/black line | |instead text) with radeon | |on | |10.2/10.3-RC2/3-RELEASE/10- | |STABLE --- Comment #14 from sasamotikomi@gmail.com --- (In reply to Koop Mast from comment #13) This isn't font or firefox(gecko) it's cleanly TTM/DRM regression, same situation reported with even more powerful graphic but intel(HD4000) on @freebsd-x11 (with faster acceleration method SNA instead EXA font rendering back again to normal state) : 1) Some commit to TTM broke it but due problem repeatable on intel graphic = too=20 it's possibly not TTM itself but AGP in TTM.=20 2) Some commit to DRM broke it due I found it before long TTM AGP patch lan= ded this look reasonable.=20 3) No AGP-speed support in sysctl https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D202408 4) Alternative acceleration method Glamor currently disabled https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207705 Possible solutions: 1) Update TTM/DRM code to last on (sync with kernel 4.5) due kernel before ~3.18-4.X contains many problems with old GPU. 2) Get to work Glamor. 3) Add sysctl for AGP. --=20 You are receiving this mail because: You are on the CC list for the bug.=
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