| Summary: | [i915][KMS] regression: screen flicker with kernel 2.6.33-rc1 to 2.6.33-rc4 | ||
|---|---|---|---|
| Product: | DRI | Reporter: | Michael S. Tsirkin <m.s.tsirkin> |
| Component: | DRM/Intel | Assignee: | ykzhao <yakui.zhao> |
| Status: | CLOSED DUPLICATE | QA Contact: | |
| Severity: | normal | ||
| Priority: | medium | ||
| Version: | XOrg git | ||
| Hardware: | Other | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
| Attachments: | |||
Created attachment 32624 [details]
dmesg with no flickering (kernel 2.6.32)
Created attachment 32625 [details]
reg dump output when flickering occurs (kernel 2.6.33-rc4)
Created attachment 32626 [details]
reg dump with no flickering (kernel 2.6.32)
Created attachment 32627 [details]
xorg log when flickerring occurs (kernel 2.6.33-rc4)
Created attachment 32628 [details]
Xorg log when no flickering (kernel 2.6.32)
Created attachment 32629 [details]
xrandr verbose output with flickering (2.6.33-rc4)
Created attachment 32630 [details]
xrandr verbose output with no flickering (2.6.32)
wondering if it's related to bug#27190. Can you try mesa 7.8.1? ought to be dup of bug# 25809 - LVDS downclocking issue *** This bug has been marked as a duplicate of bug 25809 *** |
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.
Created attachment 32623 [details] dmesg when flickering occurs (kernel 2.6.33-rc4) Immediately upon startup, screen is flickering (becomes lighter and darker again). The problem occurs with kernels 2.6.33-rc1 to 2.6.33-rc4, but not with kernel 2.6.32 and below. System details: x86_64 kernel with 32 bit Fedora 11 userspace kernel modesetting enabled. dri2proto dri2proto-2.2 drm 2.4.17-23-g06a2d65 macros util-macros-1.4.1-4-g43e41a5 xf86-video-intel 2.10.0-13-g96f45c6 mesa versions(from glxinfo): server glx version string: 1.2 client glx version string: 1.4 GLX version: 1.2 OpenGL version string: 2.1 Mesa 7.6-devel OpenGL shading language version string: 1.20 X.Org X Server 1.6.3.901 (1.6.4 RC 1) Hardware: lenovo thinkpad T500 with integrated graphics. 00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07) 00: 86 80 40 2a 06 01 90 20 07 00 00 06 00 00 00 00 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 aa 17 e0 20 30: 00 00 00 00 e0 00 00 00 00 00 00 00 00 00 00 00 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00: 86 80 42 2a 07 04 90 00 07 00 00 03 00 00 80 00 10: 04 00 40 f4 00 00 00 00 0c 00 00 d0 00 00 00 00 20: 01 18 00 00 00 00 00 00 00 00 00 00 aa 17 e4 20 30: 00 00 00 00 90 00 00 00 00 00 00 00 0b 01 00 00 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00: 86 80 43 2a 07 00 90 00 07 00 80 03 00 00 80 00 10: 04 00 20 f4 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 aa 17 e4 20 30: 00 00 00 00 d0 00 00 00 00 00 00 00 00 00 00 00 Display adapter: integrated LVDS1. How to reproduce: start X, observe flickering