| What | Removed | Added |
|---|---|---|
| Component | DRM/Radeon | General |
Comment # 3
on bug 76559
from Fabio Pedretti
This issue is still reproducible with Ubuntu 14.04 kernel (3.13.0-23.45), before I was using 3.11.0-18.32 (Ubuntu 13.10 kernel). This annoying issue is possibly not specific to radeon module. The following dmesg ERROR is interesting and may be of help. Maybe it needs a monitor quirk? [ 3.398641] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 58 [ 3.398646] Raw EDID: [ 3.398652] 00 ff ff ff ff ff ff 00 06 10 56 9c 00 00 00 00 [ 3.398656] 04 10 01 03 80 22 16 78 0a 87 f5 94 57 4f 8c 27 [ 3.398660] 27 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01 [ 3.398664] 01 98 03 a2 01 01 9f 25 a0 40 51 84 0c 30 40 20 [ 3.398669] 33 00 4b cf 10 00 00 19 00 00 00 01 00 06 10 30 [ 3.398673] 00 00 00 00 00 00 00 00 0a 20 00 00 00 fe 00 4c [ 3.398677] 54 4e 31 35 34 58 37 00 00 00 0a 20 00 00 00 fc [ 3.398681] 00 43 6f 6c 6f 72 20 4c 43 44 0a 20 20 20 00 d5 [ 3.427467] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 58 [ 3.427471] Raw EDID: [ 3.427475] 00 ff ff ff ff ff ff 00 06 10 56 9c 00 00 00 00 [ 3.427479] 04 10 01 03 80 22 16 78 0a 87 f5 94 57 4f 8c 27 [ 3.427483] 27 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01 [ 3.427487] 01 98 03 a2 01 01 9f 25 a0 40 51 84 0c 30 40 20 [ 3.427491] 33 00 4b cf 10 00 00 19 00 00 00 01 00 06 10 30 [ 3.427495] 00 00 00 00 00 00 00 00 0a 20 00 00 00 fe 00 4c [ 3.427499] 54 4e 31 35 34 58 37 00 00 00 0a 20 00 00 00 fc [ 3.427503] 00 43 6f 6c 6f 72 20 4c 43 44 0a 20 20 20 00 d5 [ 3.456273] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 58 [ 3.456278] Raw EDID: [ 3.456283] 00 ff ff ff ff ff ff 00 06 10 56 9c 00 00 00 00 [ 3.456287] 04 10 01 03 80 22 16 78 0a 87 f5 94 57 4f 8c 27 [ 3.456292] 27 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01 [ 3.456296] 01 98 03 a2 01 01 9f 25 a0 40 51 84 0c 30 40 20 [ 3.456300] 33 00 4b cf 10 00 00 19 00 00 00 01 00 06 10 30 [ 3.456304] 00 00 00 00 00 00 00 00 0a 20 00 00 00 fe 00 4c [ 3.456308] 54 4e 31 35 34 58 37 00 00 00 0a 20 00 00 00 fc [ 3.456312] 00 43 6f 6c 6f 72 20 4c 43 44 0a 20 20 20 00 d5 [ 3.484997] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 58 [ 3.485001] Raw EDID: [ 3.485005] 00 ff ff ff ff ff ff 00 06 10 56 9c 00 00 00 00 [ 3.485009] 04 10 01 03 80 22 16 78 0a 87 f5 94 57 4f 8c 27 [ 3.485013] 27 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01 [ 3.485017] 01 98 03 a2 01 01 9f 25 a0 40 51 84 0c 30 40 20 [ 3.485021] 33 00 4b cf 10 00 00 19 00 00 00 01 00 06 10 30 [ 3.485025] 00 00 00 00 00 00 00 00 0a 20 00 00 00 fe 00 4c [ 3.485029] 54 4e 31 35 34 58 37 00 00 00 0a 20 00 00 00 fc [ 3.485033] 00 43 6f 6c 6f 72 20 4c 43 44 0a 20 20 20 00 d5 [ 3.485041] radeon 0000:01:00.0: LVDS-1: EDID block 0 invalid.
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