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[sander <1926173@xxxxxxxxxxxxxxxxxx>]

As there are several crash files in that directory, I tried again to check
the date on a new crash report, but no new files were created:

-rw------- 1 whoopsie whoopsie    0 apr 26 11:47
_usr_bin_eid-viewer.1027.uploaded
-rw------- 1 whoopsie whoopsie    0 apr 22 11:24
_usr_bin_gjs-console.1027.uploaded
-rw-r----- 1 sander   whoopsie  25M apr 26 17:22
_usr_bin_gnome-shell.1027.crash
-rw-rw-r-- 1 sander   whoopsie    0 apr 26 17:22
_usr_bin_gnome-shell.1027.upload
-rw------- 1 whoopsie whoopsie    0 apr 26 17:22
_usr_bin_gnome-shell.1027.uploaded
-rw-r----- 1 gdm      whoopsie 4,9M apr 26 16:11 _usr_bin_Xwayland.120.crash
-rw-r--r-- 1 gdm      whoopsie    0 apr 26 16:11
_usr_bin_Xwayland.120.upload
-rw------- 1 whoopsie whoopsie    0 apr 26 16:13
_usr_bin_Xwayland.120.uploaded
-rw-r----- 1 root     whoopsie 5,3M apr 26 16:02 _usr_lib_xorg_Xorg.0.crash
-rw-r--r-- 1 root     whoopsie    0 apr 26 16:02 _usr_lib_xorg_Xorg.0.upload
-rw------- 1 whoopsie whoopsie    0 apr 26 16:13
_usr_lib_xorg_Xorg.0.uploaded
-rw-r----- 1 sander   whoopsie 119M apr 23 12:58
_usr_lib_xorg_Xorg.1027.crash
-rw-r--r-- 1 sander   whoopsie    0 apr 22 14:39
_usr_lib_xorg_Xorg.1027.upload
-rw------- 1 whoopsie whoopsie    0 apr 22 15:24
_usr_lib_xorg_Xorg.1027.uploaded
-rw-r----- 1 gdm      whoopsie 343K apr 26 16:11
_usr_lib_xorg_Xorg.120.crash
-rw-r--r-- 1 gdm      whoopsie    0 apr 26 16:11
_usr_lib_xorg_Xorg.120.upload
-rw------- 1 whoopsie whoopsie    0 apr 26 16:13
_usr_lib_xorg_Xorg.120.uploaded
-rw-r----- 1 root     whoopsie 178K apr 26 15:59
_usr_share_session-migration_scripts_01_migrate_from_keyring.0.crash
-rw-r--r-- 1 root     whoopsie    0 apr 26 15:59
_usr_share_session-migration_scripts_01_migrate_from_keyring.0.upload
-rw------- 1 whoopsie whoopsie    0 apr 26 15:59
_usr_share_session-migration_scripts_01_migrate_from_keyring.0.uploaded

Maybe no new report is created when there is already a crash report? Can I
safely delete all contents of that directory? Or do you know which crash ID
you need?

In my attempt to generate a new crash report, I also noticed the gdb errors
are not consistently the same. See attached. The first time the X Server
stalled for a long time and thereafter the Wacom tablet did not work well.
Using the Gimp pen tool, it drew dots instead of a line. I had to unplug
the Wacom tablet to get it working again in a normal manner....and to get
the real crash.

-- 
Mvg, Sander Devrieze.


Op di 27 apr. 2021 om 12:00 schreef Sebastien Bacher <
1926173@xxxxxxxxxxxxxxxxxx>:

> Thank you for taking the time to report this bug and helping to make
> Ubuntu better. It sounds like some part of the system has crashed. To
> help us find the cause of the crash please follow these steps:
>
> 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: xf86-input-wacom (Ubuntu)
>        Status: New => Invalid
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1926173
>
> Title:
>   Wacom crashes Xorg
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/xf86-input-wacom/+bug/1926173/+subscriptions
>


** Attachment added: "gdb-Xorg.txt"
   https://bugs.launchpad.net/bugs/1926173/+attachment/5492763/+files/gdb-Xorg.txt

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https://bugs.launchpad.net/bugs/1926173

Title:
  Wacom crashes Xorg

Status in xf86-input-wacom package in Ubuntu:
  Invalid

Bug description:
  The X Server consistently crashes when my Wacom Intuos Pro Medium
  tablet is attached to my Dell XPS 13 laptop whilst I have a second
  screen connected using the HDMI port on the Dell DA300 hub. The crash
  does not immediately happens when the Wacom devices is attached, but
  during the use of the tablet. It is easy to repeat this crash very
  fast by pushing the tablet buttons and using the pen. In less than 15
  seconds, the X Server will crash. When the second screen is not
  attached to my laptop, the X Server keeps running flawlessly.

  My Dell XPS 13 laptop is running the preinstalled 18.04 LTS, Gnome
  3.28.2 and it has Intel UHD Graphics 620 (WHL GT2).

  I tried the tabled on a desktop with 2 screens attached running Ubuntu
  20.04 LTS and Gnome 3.36.3. It has Intel HD Graphics 2500 (IUB GT1).
  It works without issues. The bug does not arise on this device!

  Please find attached gdb details (not sure if I did well; I have never
  used this tool before).

  Any idea how to fix this? Or maybe a workaround? My Wacom tablet is
  almost useless on my laptop due to this bug. If I want to use it, I
  have to detach my second screen and work on the small laptop screen.

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