| Summary: | [945] display corrupted with 2048 width | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Product: | DRI | Reporter: | fangxun <xunx.fang> | ||||||
| Component: | DRM/Intel | Assignee: | Jesse Barnes <jbarnes> | ||||||
| Status: | CLOSED DUPLICATE | QA Contact: | |||||||
| Severity: | normal | ||||||||
| Priority: | medium | CC: | idr, kui.zheng | ||||||
| Version: | unspecified | ||||||||
| Hardware: | All | ||||||||
| OS: | Linux (All) | ||||||||
| Whiteboard: | |||||||||
| i915 platform: | i915 features: | ||||||||
| Attachments: |
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Created attachment 29376 [details]
Dmesg file
This was reported from moblin: http://bugzilla.moblin.org/show_bug.cgi?id=5658 I think the following commit may fix this bug. Please re-test with this patch or later. commit 972e995b148c220d32f2bf8c0a17c138deec6506 Author: Brian Paul <brianp@vmware.com> Date: Mon Sep 21 16:07:14 2009 -0600 vbo: disable the GL_ARB_draw_elements_base_vertex rebase path This was introduced with commit 92d7ed8a20d4a018ce5324e6537ae7b478b9e5bf. It causes rendering of stray polygons (with sw rendering at least) when running the OGL Distilled / Picking demo (click on an object). This needs additional debugging to fix/restore. Found one suspect thing: in _tnl_draw_prims() there's some mixed signed/ unsigned arithmetic/comparing at line 422 that may be incorrect. Still fail with the patch. I guess this is H/W related issue, I don't met this problem on 965 H/W. not sure if there is some limits on 945. |
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Created attachment 29375 [details] Xorg log System Environment: -------------------------- Arch: i386 Platform: 945GME Libdrm: (master)67e4172394a88d4922fb8d9c7c3d96ce7e02c5a6 Mesa: (mesa_7_6_branch)c6c44bf48124dd5b4661014a8d58482c5a54557f Xserver: (server-1.6-branch)3044711412d0a08ba65a491bd2441c0c8980f5e2 Xf86_video_intel:(master)efbcf29dd1a1ca058b7a2a93f0685102c06c9369 Kernel: (master)e07cccf4046978df10f2e13fe2b99b2f9b3a65db Bug detailed description: ------------------------- Start X and setup 2048x768 in dual head: xrandr --output LVDS1 --mode 1024x600 xrandr --output VGA1 --mode 1024x768 xrandr --output LVDS1 –left-of VGA1 Then run "glxgears –geometry 2048x768+0+0", the display get blank. Nothing is drawn and X process is still active. If pressing "Esc", it would return to xterm from gears process. If run "glxgears –geometry 2047x768+0+0", gears works well in this resolution. This issue also happens on 945GM. Reproduce steps: ---------------- 1. xrandr --output LVDS1 --mode 1024x600 2. xrandr --output VGA1 --mode 1024x768 3. xrandr --output LVDS1 --left-of VGA1 4. glxgears –geometry 2048x768+0+0