Public bug reported:

after putting the system to sleep, and waking it up, Xorg crashes, and
I'm lead to a new greeter / login screen. naturally the state of my
desktop is lost in this process, and I'm stuck with a new login with no
apps running.

the error reporter says:

Error: [Errno 21] is a directory:
'/proc/driver/nvidia/gpus/0000:01:00.0/'

which is indeed true:

$ ls /proc/driver/nvidia/gpus/0000\:01\:00.0/
information registry

the same system worked fine with ubuntu 17.10


this is a follow-up filing for bug 1769819, after X server core dumping has 
been enabled:

$ cat /etc/gdm3/custom.conf 
...
[debug]
# Uncomment the line below to turn on debugging
# More verbose logs
# Additionally lets the X server dump core if it crashes
Enable=true

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xserver-xorg-core 2:1.19.6-1ubuntu4
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0000:01:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  390.48  Thu Mar 22 00:42:57 
PDT 2018
 GCC version:  gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)
.proc.driver.nvidia.warnings.fbdev:
 Your system is not currently configured to drive a VGA console
 on the primary VGA device. The NVIDIA Linux graphics driver
 requires the use of a text-mode VGA console. Use of other console
 drivers including, but not limited to, vesafb, may result in
 corruption and stability problems, and is not supported.
.tmp.unity_support_test.0:
 
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu May 10 07:31:41 2018
DistUpgraded: 2018-05-04 09:38:04,874 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus:
 nvidia, 390.48, 4.13.0-39-generic, x86_64: installed
 nvidia, 390.48, 4.15.0-20-generic, x86_64: installed
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics 
Controller [8086:0412] (rev 06) (prog-if 00 [VGA controller])
   Subsystem: Gigabyte Technology Co., Ltd Xeon E3-1200 v3/4th Gen Core 
Processor Integrated Graphics Controller [1458:d000]
 NVIDIA Corporation GK104 [GeForce GTX 680] [10de:1180] (rev a1) (prog-if 00 
[VGA controller])
   Subsystem: eVga.com. Corp. GK104 [GeForce GTX 680] [3842:3687]
InstallationDate: Installed on 2016-04-03 (766 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: Gigabyte Technology Co., Ltd. Z97X-UD5H
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic 
root=UUID=e56cb504-229d-4c7a-b16c-b259d05e992b ro noprompt quiet splash 
vt.handoff=1
SourcePackage: xorg-server
UpgradeStatus: Upgraded to bionic on 2018-05-04 (5 days ago)
dmi.bios.date: 08/03/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F10
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z97X-UD5H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrF10:bd08/03/2015:svnGigabyteTechnologyCo.,Ltd.:pnZ97X-UD5H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ97X-UD5H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: Z97X-UD5H
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
xserver.bootTime: Tue May  8 17:18:33 2018
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 
xserver.version: 2:1.19.6-1ubuntu4

** Affects: xorg-server (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic ubuntu

-- 
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/1770322

Title:
  Xorg crashes after system sleep / wakeup

Status in xorg-server package in Ubuntu:
  New

Bug description:
  after putting the system to sleep, and waking it up, Xorg crashes, and
  I'm lead to a new greeter / login screen. naturally the state of my
  desktop is lost in this process, and I'm stuck with a new login with
  no apps running.

  the error reporter says:

  Error: [Errno 21] is a directory:
  '/proc/driver/nvidia/gpus/0000:01:00.0/'

  which is indeed true:

  $ ls /proc/driver/nvidia/gpus/0000\:01\:00.0/
  information registry

  the same system worked fine with ubuntu 17.10

  
  this is a follow-up filing for bug 1769819, after X server core dumping has 
been enabled:

  $ cat /etc/gdm3/custom.conf 
  ...
  [debug]
  # Uncomment the line below to turn on debugging
  # More verbose logs
  # Additionally lets the X server dump core if it crashes
  Enable=true

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xserver-xorg-core 2:1.19.6-1ubuntu4
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  .proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0000:01:00.0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  390.48  Thu Mar 22 00:42:57 
PDT 2018
   GCC version:  gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)
  .proc.driver.nvidia.warnings.fbdev:
   Your system is not currently configured to drive a VGA console
   on the primary VGA device. The NVIDIA Linux graphics driver
   requires the use of a text-mode VGA console. Use of other console
   drivers including, but not limited to, vesafb, may result in
   corruption and stability problems, and is not supported.
  .tmp.unity_support_test.0:
   
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Thu May 10 07:31:41 2018
  DistUpgraded: 2018-05-04 09:38:04,874 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
  DistroCodename: bionic
  DistroVariant: ubuntu
  DkmsStatus:
   nvidia, 390.48, 4.13.0-39-generic, x86_64: installed
   nvidia, 390.48, 4.15.0-20-generic, x86_64: installed
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics 
Controller [8086:0412] (rev 06) (prog-if 00 [VGA controller])
     Subsystem: Gigabyte Technology Co., Ltd Xeon E3-1200 v3/4th Gen Core 
Processor Integrated Graphics Controller [1458:d000]
   NVIDIA Corporation GK104 [GeForce GTX 680] [10de:1180] (rev a1) (prog-if 00 
[VGA controller])
     Subsystem: eVga.com. Corp. GK104 [GeForce GTX 680] [3842:3687]
  InstallationDate: Installed on 2016-04-03 (766 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: Gigabyte Technology Co., Ltd. Z97X-UD5H
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic 
root=UUID=e56cb504-229d-4c7a-b16c-b259d05e992b ro noprompt quiet splash 
vt.handoff=1
  SourcePackage: xorg-server
  UpgradeStatus: Upgraded to bionic on 2018-05-04 (5 days ago)
  dmi.bios.date: 08/03/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F10
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z97X-UD5H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrF10:bd08/03/2015:svnGigabyteTechnologyCo.,Ltd.:pnZ97X-UD5H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ97X-UD5H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: Z97X-UD5H
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1
  version.libdrm2: libdrm2 2.4.91-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1
  version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
  xserver.bootTime: Tue May  8 17:18:33 2018
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   
  xserver.version: 2:1.19.6-1ubuntu4

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