@Ernst: You're saying that you saw the behavior regress in maverick when
you did updates, correct? You don't happen to know the kernel versions
before and after the update, do you?
Suspiciously, there's a patch dealing specifically with EDID handling on
Intel graphics that would have first gone out in maverick in that
general time frame. It's was first released upstream in 2.6.37-rc8.
commit 2c78465d1734bc8c8263aa332ee301ac740f74bc
Author: David Flynn <dav...@rd.bbc.co.uk>
Date: Wed Dec 8 16:10:21 2010 +0000
drm/i915/dp: Fix I2C/EDID handling with active DisplayPort to DVI
converter
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https://bugs.launchpad.net/bugs/712075
Title:
[drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid
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