Bug#624549: every 10s I get "[drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid ..."

[Jonathan Nieder <jrnieder@gmail.com>]

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Lisandro Damián Nicanor Pérez Meyer wrote:

> With a dual screen setup. Not so long ago (less than a week) both monitors 
> (ViewSonic VG2021wm) were working fine. Somehow the monitor connected to the 
> DVI port started not being detected correctly on boot (wrong edid?). Dmesg 
> shows:

Thanks.  Could you try the patch from

  https://bugs.freedesktop.org/show_bug.cgi?id=27708#c7

and see what happens when booting with the drm.edid_strict=0 option?