Analysis from 201912_27623_journal_log.txt
Early on during boot we see:
kernel: EDID block 0 (tag 0x00) checksum is invalid, remainder is 61
kernel: [00] BAD 00 ff ff ff ff ff ff 00 04 69 c4 24 cc 83 03 00
kernel: [00] BAD 2c 18 01 03 80 35 1e 78 2a a0 a5 a6 56 52 9d 27
kernel: [00] BAD 0f 50 54 a0 00 00 00 00 00 00 00 07 ff ff ff ff
kernel: [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
kernel: [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
kernel: [00] BAD ff ff ff ff ff ff ff ff fe 00 00 00 00 00 00 00
kernel: [00] BAD 00 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
kernel: [00] BAD ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
kernel: EDID has corrupt header
kernel: i915 0000:00:02.0: [drm] Cannot find any crtc or sizes
Then as GNOME Shell (Wayland) is starting up it suddenly terminates with
SIGKILL.
There's no clear indication of why, but just before we see "kernel: EDID has
corrupt header" again.
Oct 23 13:56:26 dell-precision-3440-c27623 kernel: EDID has corrupt header
Oct 23 13:56:26 dell-precision-3440-c27623 systemd[1572]:
org.gnome.Shell@wayland.service: Main process exited, code=killed, status=9/KILL
We are then kicked back to GDM which falls back to Xorg mode and keeps
printing:
kernel: EDID has corrupt header
kernel: EDID block 0 (tag 0x00) checksum is invalid, remainder is ###
kernel: workqueue: i915_hpd_poll_init_work [i915] hogged CPU for >10000us 4
times, consider switching to WQ_UNBOUND
(You now see `Authorization required, but no authorization protocol
specified` because Xorg is running as the GDM user and you did not
specify an XAUTHORITY file -- that is expected)
There seems to be something wrong with the connection to the monitor, although
that probably should not be killing GNOME Shell...?
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2085404
Title:
No display after booting
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