Public bug reported:
1) System
Linux Mint Mate 19.3
2) Kernel version
linux-headers-4.15.0-128/bionic-updates,bionic-security,now 4.15.0-128.131 all
linux-headers-4.15.0-128-generic/bionic-updates,bionic-security,now
4.15.0-128.131 amd64
linux-image-4.15.0-128-generic/bionic-updates,bionic-security,now
4.15.0-128.131 amd64
linux-modules-4.15.0-128-generic/bionic-updates,bionic-security,now
4.15.0-128.131 amd64
linux-modules-extra-4.15.0-128-generic/bionic-updates,bionic-security,now
4.15.0-128.131 amd64
3) What you expected to happen
After the upgrade from kernel 4.15.0-124.127 to kernel 4.15.0-128.131 I
expected a similar fluent boot procedure until the graphical target is reached
and the login mask of LightDM is displayed. I did not expect a significant
difference in the time needed to reach the login mask of LightDM.
4) What happened instead
The time needed to reach the login mask of LightDM depends on the bluetooth
status. When bluetooth has been turned off in a previous user session per
blueberry tray icon, a black screen with only the mouse pointer in the center
is displayed for ~6s before the LightDM login mask is displayed. This does not
happen, when bluetooth is turned on or when the older kernel 4.15.0-124.127 is
used to boot the system.
Kernel 4.15.0-124 AND bluetooth turned on or off => normal boot time
Kernel 4.15.0-128 AND bluetooth turned on => normal boot time
Kernel 4.15.0-128 AND bluetooth turned off => 6s longer boot time
I did not have these problems before the upgrade to kernel
4.15.0-128.131. And I do not have these problems on my desktop system,
which lacks a bluetooth card.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "cat /proc/version_signature > version.log"
https://bugs.launchpad.net/bugs/1909236/+attachment/5446552/+files/version.log
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https://bugs.launchpad.net/bugs/1909236
Title:
Ubuntu 4.15.0-128.131-generic 4.15.18: Boot delay into graphical
target when bluetooth is off
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