That backtrace looks like one of:
https://bugs.launchpad.net/ubuntu/+source/xorg-server?field.searchtext=AbortServer
To help us get a clearer stack trace and confirm, please try:
1. Look in /var/crash for crash files and if found run:
ubuntu-bug YOURFILE.crash
Then tell us the ID of the newly-created bug.
2. If step 1 failed then look at https://errors.ubuntu.com/user/ID where
ID is the content of file /var/lib/whoopsie/whoopsie-id on the machine.
Do you find any links to recent problems on that page? If so then please
send the links to us.
3. If step 2 also failed then apply the workaround from bug 994921,
reboot, reproduce the crash, and retry step 1.
Please take care to avoid attaching .crash files to bugs as we are
unable to process them as file attachments. It would also be a security
risk for yourself.
** Changed in: xorg-server (Ubuntu)
Status: New => Incomplete
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Packages, which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1789678
Title:
X.Org Server 1.20.1 crash when I attempt to enter special symbols like
@ > " via onscreen keyboard Onboard in Gnome Shell Xorg session
Status in xorg-server package in Ubuntu:
Incomplete
Bug description:
Hello!
X.Org Server 1.20.1 crash when I attempt to enter special symbols like
@ > " via onscreen keyboard Onboard in Gnome Shell Xorg session. I
also noticed this with DRI3 (both of default modesetting DDX and intel
DDX) issue is more easily reproducible than with DRI2 (intel DDX).
I running Ubuntu 18.10 (latest updates) on HP Stream 7 Tablet with
Intel Atom Z3735G. There was no such issue in Ubuntu 18.04 on same
device. Backtrace is attached.
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