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.

** Package changed: gnome-session (Ubuntu) => xorg-server (Ubuntu)

** Changed in: xorg-server (Ubuntu)
       Status: New => Incomplete

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1847222

Title:
  serverX crashes randomly

Status in xorg-server package in Ubuntu:
  Incomplete

Bug description:
  Crash of X11 and after 0.5 to 2 seconds Ubuntu shutdown.

  This appears randomly, the system journal says nothing at this moment
  and there's no report in /var/crash

  The .xsession-errors.old contains often the line: 
  XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0"
        after 33 requests (33 known processed) with 0 events remaining.
  Gdk-Message: 01:16:44.392: mate-screensaver: Fatal IO error 11 (Ressource 
temporairement non disponible) on X server :0.

  Note: mate-screensaver is just an example.

  Configuration:
  Ubuntu 18-04.3 LTS 64 bytes
  Environment Mate

  vincent@djoliba:~$ lspci
  00:00.0 Host bridge: Intel Corporation 82Q963/Q965 Memory Controller Hub (rev 
02)
  00:02.0 VGA compatible controller: Intel Corporation 82Q963/Q965 Integrated 
Graphics Controller (rev 02)
  00:03.0 Communication controller: Intel Corporation 82Q963/Q965 HECI 
Controller (rev 02)
  00:03.2 IDE interface: Intel Corporation 82Q963/Q965 PT IDER Controller (rev 
02)
  00:03.3 Serial controller: Intel Corporation 82Q963/Q965 KT Controller (rev 
02)
  00:19.0 Ethernet controller: Intel Corporation 82566DM Gigabit Network 
Connection (rev 02)
  00:1a.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI 
Controller #4 (rev 02)
  00:1a.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI 
Controller #2 (rev 02)
  00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio 
Controller (rev 02)
  00:1d.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI 
Controller #1 (rev 02)
  00:1d.1 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI 
Controller #2 (rev 02)
  00:1d.2 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI 
Controller #3 (rev 02)
  00:1d.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI 
Controller #1 (rev 02)
  00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2)
  00:1f.0 ISA bridge: Intel Corporation 82801HO (ICH8DO) LPC Interface 
Controller (rev 02)
  00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA 
Controller [IDE mode] (rev 02)
  00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 
02)
  00:1f.5 IDE interface: Intel Corporation 82801HR/HO/HH (ICH8R/DO/DH) 2 port 
SATA Controller [IDE mode] (rev 02)

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