/var/log/Xorg.0.log
** Attachment added: "/var/log/Xorg.0.log"
https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/58171/+attachment/5768703/+files/Xorg.0.log
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Thanks for the bug report. Most likely the problem is an HDMI connection
problem. Please try a new HDMI cable if you can. If you can't then
please try temporarily running the external monitor at a lower
resolution to see if the flicker then goes away.
If the flicker still persists then please
More details at bt:
: sudo apt install libice6-dbg
...
: gdb mate-terminal
...
Reading symbols from mate-terminal...
Reading symbols from
/usr/lib/debug/.build-id/d8/a4bef96123f71cbc6a7ddfe696577b98810d23.debug...
(gdb) run
Starting program: /usr/bin/mate-terminal
[Thread debugging using
apport information
** Tags added: apport-collected
** Description changed:
Starting in GNOME 46 touchscreen input on the X11 session has become
unusable
the touchscreen is responsive on the desktop itself (moving the cursor)
but does not interact with most things
on GNOME 46 on
apport information
** Attachment added: "GsettingsChanges.txt"
https://bugs.launchpad.net/bugs/2063005/+attachment/5768759/+files/GsettingsChanges.txt
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apport information
** Attachment added: "ShellJournal.txt"
https://bugs.launchpad.net/bugs/2063005/+attachment/5768761/+files/ShellJournal.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/2063005/+attachment/5768760/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "monitors.xml.txt"
https://bugs.launchpad.net/bugs/2063005/+attachment/5768762/+files/monitors.xml.txt
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I've confirmed the issue on multiple devices with touchscreen now
(x86_64 laptop with touchscreen and an ARM64 tablet with touchscreen)
The attached info above is from the x86_64 laptop.
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Even more details (libsm6 + bt full):
: sudo apt install libsm6-dbgsym
...
: gdb mate-terminal
...
Reading symbols from mate-terminal...
Reading symbols from
/usr/lib/debug/.build-id/d8/a4bef96123f71cbc6a7ddfe696577b98810d23.debug...
(gdb) run
Starting program: /usr/bin/mate-terminal
[Thread
lsof | grep ICE|grep -v ICEBUG > ~user/tmp/ICEBUG/lsof-ICE.log [this
file attached]
** Attachment added: "lsof-ICE.log"
https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/58171/+attachment/5768757/+files/lsof-ICE.log
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apport information
** Tags added: third-party-packages
** Description changed:
Starting in GNOME 46 touchscreen input on the X11 session has become
unusable
the touchscreen is responsive on the desktop itself (moving the cursor)
but does not interact with most things
on GNOME 46
apport information
** Attachment added: "GsettingsChanges.txt"
https://bugs.launchpad.net/bugs/2063005/+attachment/5768764/+files/GsettingsChanges.txt
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which is subscribed to xorg-server in Ubuntu.
apport information
** Attachment added: "ShellJournal.txt"
https://bugs.launchpad.net/bugs/2063005/+attachment/5768766/+files/ShellJournal.txt
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which is subscribed to xorg-server in Ubuntu.
apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/2063005/+attachment/5768765/+files/ProcCpuinfoMinimal.txt
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg-server in Ubuntu.
apport information
** Attachment added: "monitors.xml.txt"
https://bugs.launchpad.net/bugs/2063005/+attachment/5768767/+files/monitors.xml.txt
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the attached info above are from the ARM64 tablet
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https://bugs.launchpad.net/bugs/2063005
Title:
Some shell elements don't respond to touchscreen in Xorg sessions
To
This is the closest, most recent report I could find with something which also
appears kernel related
Kernel 6.5.0-27 -- works fine
Kernel 6.5.0-28 -- graphics hard-hangs - sddm never displays, vtty can't be
activated
shh works, sddm and x11 processes can not be killed, reboot hangs, hard
I have found a fix.
First I tried adding "nouveau.modeset=0" to bootflags, which got me to boot but
no greeter.
sddm appeared to be happily running but it failed to start the display server
restarting it did not help
"startx" worked, which gave me hope
It appeared the session "seat" had been
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