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Subject[bisected] i915: linux-2.6.32-rc3+ regression

After syncing git tree to bd381934bf13ccb1af2813ae26c6fe00ec85d254
I've experienced pixel color corruption in Xorg.
Some of pixels (not all) have abnormal colors seen on images like this: [1.5M]
(you won't see any problem until you run -rc3+ kernel).

I've bisected it[2] and found offending commit[1].
My hardware is HP Compaq 2510p laptop:
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)

Do you need more info?


[1] offending commit
> 068143d38804825d59d951a192cfadd2e22f457d is the first bad commit
> commit 068143d38804825d59d951a192cfadd2e22f457d
> Author: Dave Airlie <>
> Date: Mon Oct 5 09:58:02 2009 +1000
> drm/fb: add setcmap and fix 8-bit support.
> This adds support for the setcmap api and fixes the 8bpp
> support at least on radeon hardware. It adds a new load_lut
> hook which can be called once the color map is setup.
> Signed-off-by: Dave Airlie <>

[2] bisect log:
:040000 040000 9334e1ee9d528eaa5babd419bd53b40417e65f0f 7e06eb50488482efd38ac243080c9f27ee8682ec M drivers
:040000 040000 31c8cb95831669746c0ee2ff8e34d15dc6c49b0e 0523107fc14ca0bb6914b93ea56dab20c741d61c M include
git bisect start
# bad: [bd381934bf13ccb1af2813ae26c6fe00ec85d254] Merge branch 'for-linus' of git://
git bisect bad bd381934bf13ccb1af2813ae26c6fe00ec85d254
# good: [374576a8b6f865022c0fd1ca62396889b23d66dd] Linux 2.6.32-rc3
git bisect good 374576a8b6f865022c0fd1ca62396889b23d66dd
# bad: [1c6e6d91b22c4271e8a5dab559a08cb005a77073] Merge branch 'drm-linus' of git://
git bisect bad 1c6e6d91b22c4271e8a5dab559a08cb005a77073
# good: [d8e7b2b3ac5319fcee616488c628c2bbe7e2937b] Merge branch 'omap-fixes-for-linus' of git://
git bisect good d8e7b2b3ac5319fcee616488c628c2bbe7e2937b
# good: [185974dd596e67e73906790c2a4a4579d75911e6] drm: Delete the DRM_DEBUG_KMS in drm_mode_cursor_ioctl
git bisect good 185974dd596e67e73906790c2a4a4579d75911e6
# bad: [01ceae8edd7a0a6d8588dc103ad9f55e2c52cae9] drm/radeon/kms: Fix RS600/RV515/R520/RS690 IRQ
git bisect bad 01ceae8edd7a0a6d8588dc103ad9f55e2c52cae9
# bad: [b8c00ac5b50b54491657f8b6740db1df50149944] drm/fb: add more correct 8/16/24/32 bpp fb support.
git bisect bad b8c00ac5b50b54491657f8b6740db1df50149944
# bad: [068143d38804825d59d951a192cfadd2e22f457d] drm/fb: add setcmap and fix 8-bit support.
git bisect bad 068143d38804825d59d951a192cfadd2e22f457d
# good: [dfee5614e4d83a32cef9193a8b19bc1d8900f93d] drm/radeon/kms: respect single crtc cards, only create one crtc. (v2)
git bisect good dfee5614e4d83a32cef9193a8b19bc1d8900f93d


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