[Nouveau] [Bug 72207] [NV67] Error retrieving EDID from VGA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72207

--- Comment #2 from Priit Laes (irc: plaes) <plaes at plaes.org> ---
(In reply to comment #1)
> I assume there's a monitor actually connected (that supports EDID)? Did this
> work with older kernels (if so which)?
> 
> Please upload a copy of your VBIOS (/sys/kernel/debug/dri/0/vbios.rom)

OK, had finally change to test this display (Samsung SyncMaster 2043NW) with
another machine (Lenovo X60s laptop) which had the same issue:

[83002.030045] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid,
remainder is 130
[83002.030054] Raw EDID:
[83002.030060]      00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[83002.030063]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.030067]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.030070]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.030073]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.030076]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.030080]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.030083]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.049040] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid,
remainder is 130
[83002.049050] Raw EDID:
[83002.049056]      00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[83002.049059]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.049063]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.049066]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.049069]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.049073]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.049076]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.049079]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.068039] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid,
remainder is 130
[83002.068048] Raw EDID:
[83002.068053]      00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[83002.068057]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.068061]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.068064]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.068067]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.068070]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.068073]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.068077]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.087039] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid,
remainder is 130
[83002.087048] Raw EDID:
[83002.087054]      00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[83002.087058]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.087061]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.087065]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.087068]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.087071]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.087074]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.087077]      ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[83002.087087] i915 0000:00:02.0: VGA-1: EDID block 0 invalid.


It is fairly old machine and before I installed Fedora on that it was
virus-infested Windows XP which apparently supplies better default EDID data in
case something goes wrong...

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