testing xubuntu-disco-daily.iso apr 06, 2019 First boot fine plymouth,
and xorg/lightdm started normally.. did a number of updates and
rebooted.
second boot plymouth not seen, xorg/lightdm appeared briefly .. then
vanished .. then reappears ..
checked xorg.0.log(s) ..
xorg.0.log .. seemed ok
just some summary thoughts in addition to point to some anomalies ..
the "failures in lightdm appear to correspond with shorter journal logs ..
so certain processes are not running as expected ..
plymouth also does not appear on the screen ..
as it needs the proper graphics support ..
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I've been merrily switching between OS's without this kind of issue for more
than 10 years ..
the behaviour changed recently in the last 30 days ..
it was fine prior to that ..
This is a regression bug and will annoy anyone working with multiple instances
of disco xubuntu for testing..
yes
Your setup is anything but a typical one, and bugs should not be used to
"ask" how something works the way it does. You mentioned that the
"original" disco install always works fine, so I don't think there's a
valid bug here at all?
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whoops added the wrong attachment above it is the one including the
grub-update dialog .. instead of being the bot after the command
** Attachment added: "this one is after the grub-update .. accidental switch"
okay generated the default grub.cfg via sda6 grub-install boot instance
.. vt.handle=1 is set by default for self root boot about a minute to
boot
no change .. still no plymouth on boot but there is a flicker with
lightdm .. which restarts once video mode switch has happened ..
note all grub
here is the journalctl boot log for sda6 /zlink4 booted by it's own
install of grub (self grub)
(it was reinstalled for this purpose .. to show it works .. however
plymouth does not show on the screen at all on boot but does on shutdown
)
now one change is addition of a vt.handoff=1 to the end
here we have a normal journalctl boot log .. notice the size .. more
entries .. about 1 minute start to finish source the partition that
always works lightdm starts normally plymouth appears on screen etc.
this one was booted by grub installed by zlink4 - on sda6 ..
** Attachment added: "zlink1
** Summary changed:
- lightdm login screen briefly appears and then blanks out on Intel(R)
Core(TM)2 Duo CPU T5870 - failure to load i915 kernel module
+ lightdm login screen briefly appears and then blanks out on Intel(R)
Core(TM)2 Duo CPU T5870 (using "foreign grub")
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