Same problem after running dist-upgrade. I see the login prompt for around 1 
second before it disappears.
dmesg error:

[   83.242723] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is 
invalid, remainder is 142
[   83.242872] Raw EDID:
[   83.242905]          00 ff ff ff ff ff ff 00 10 ac 07 a0 4c 40 00 00
[   83.242986]          00 00 00 00 00 00 00 00 00 00 00 00 00 07 ff ff
[   83.243061]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   83.243141]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   83.243222]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   83.243297]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   83.243378]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   83.243453]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   83.244719] [drm:radeon_vga_detect [radeon]] *ERROR* VGA-2: probed a monitor 
but no|invalid EDID
[   91.246961] init: tty1 main process ended, respawning

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1565699

Title:
  Front VGA connector not showing output

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1565699/+subscriptions

-- 
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to