From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 27708] [KMS] Repeated EDID errors despite everything working
Date: Sat,  1 Jan 2011 05:03:10 -0800 (PST)
Message-ID: <20110101130311.0698613004E@annarchy.freedesktop.org>
References: <bug-27708-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=27708

--- Comment #5 from Sergej Pupykin <ps@lx-ltd.ru> 2011-01-01 05:03:10 PST ---
I have the same issue:

Acer G225HQbd at 1920x1080:
Jan  1 01:23:12 home kernel: [drm:drm_edid_block_valid] *ERROR* EDID checksum
is invalid, remainder is 130
Jan  1 01:23:12 home kernel: [drm:drm_edid_block_valid] *ERROR* Raw EDID:
Jan  1 01:23:12 home kernel: <3>00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: 
Jan  1 01:23:12 home kernel: [drm:drm_edid_block_valid] *ERROR* EDID checksum
is invalid, remainder is 217
Jan  1 01:23:12 home kernel: [drm:drm_edid_block_valid] *ERROR* Raw EDID:
Jan  1 01:23:12 home kernel: <3>00 ff ff ff ff ff ff 00 04 72 17 00 7e 1f 30 03
 .........r..~.0.
Jan  1 01:23:12 home kernel: <3>21 14 01 03 68 30 1b 78 2e c5 85 a4 59 49 9a 24
 !...h0.x....YI.$
Jan  1 01:23:12 home kernel: <3>12 50 54 bf ef 80 81 c0 81 40 71 4f 81 80 81 00
 .PT......@qO....
Jan  1 01:23:12 home kernel: <3>01 01 01 01 01 01 02 3a 80 18 71 38 2d 40 58 2c
 .......:..q8-@X,
Jan  1 01:23:12 home kernel: <3>45 00 dc 0c 11 00 01 ff ff ff ff ff ff ff ff ff
 E...............
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ................
Jan  1 01:23:12 home kernel: 
Jan  1 01:23:12 home kernel: radeon 0000:01:00.0: DVI-I-1: EDID block 0
invalid.
Jan  1 01:23:12 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID


Iliama ProLite E430S at 1280x1024:
Nov 28 10:43:46 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 10:58:04 home kernel: i2c i2c-0: readbytes: ack/nak timeout
Nov 28 10:58:04 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 11:48:00 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 11:52:12 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 12:08:21 home kernel: i2c i2c-0: readbytes: ack/nak timeout
Nov 28 12:08:21 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 12:33:54 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 13:05:31 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 13:16:47 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 13:21:30 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 13:26:52 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 14:43:34 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 14:50:18 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID
Nov 28 15:08:58 home kernel: [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a
monitor but no|invalid EDID

Both monitors were connected through DVI->VGA connector.

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