More infos. I installed the notebook from scratch with a 16.04.2 image
and update to latest 16.04 packages which installed 4.15.0-38 kernel.
The laptop has the correct behavior, without entering settings I can
switch/duplicate displays with the fn key.
So original problem seems not related to
Ubuntu 18.10 does have the same problem, Ubuntu 16.04.2 has *NO*
problem. From where could I get an 4.4 kernel for 18.04 for testing
purpose ?
Other infos: when I check in systems, it show me 3 display despite the
fact that only 2 are connected:
1. internal display
2. unknown display with
Behavior is different, Ican't see the image on one or the other display,
system now recognize the second screen but as soon as I switch the
screens keyboard freezes, mouse icon react but no button working, have
to switch off the computer with the on/off button :(
Daniel
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Err: to read is "I can see the image on one or the other display"
** Changed in: xorg-server (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Packages, which is
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1801747
Title:
External display not recognized, internal one goes to black
Status in linux
Hi Cristian. No update/upgrade, straight HDD format + new install of
Ubuntu. I will test the latest kernel.
Thanks for your support
Daniel
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I mean quiet, not quit. Sorry.
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https://bugs.launchpad.net/bugs/1748505
Title:
Boot failed with hard LOCKUP linux-image-4.4.0-112
Status in linux package in Ubuntu:
It can also be prevented by booting without quit splash kernel option.
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https://bugs.launchpad.net/bugs/1748505
Title:
Boot failed with hard LOCKUP linux-image-4.4.0-112
Hello Joseph, fixed in mainline kernel. Thanks for your support.
** Tags added: kernel-fixed-upstream
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https://bugs.launchpad.net/bugs/1748505
Title:
Boot failed with
Public bug reported:
Booting this kernel ended with
[35.111831] NMI watchdog: Watchdog detected hard LOCKUP on cpu 1
[36.073026] NMI watchdog: Watchdog detected hard LOCKUP on cpu 2
[36.153549] NMI watchdog: Watchdog detected hard LOCKUP on cpu 0
[36.451526] NMI watchdog: Watchdog detected hard
Public bug reported:
I have removed bcmwl-kernel-source using package manager then tried to
install device driver for broadcom network adpater using additional
driver.While everthing was going fine at the last point of installation
it showed a message that installation failed or something like
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