Public bug reported:

ps shows chromium-browser processes are running, but no windows appear.

I've been able to correlate the message
"[...:ERROR:data_store_impl.cc(131)] Failed to open Data Reduction Proxy
DB: 3" with this failure mode.

Users are frustrated when it happens to them, and advice online is to
delete your profile and reboot, which is suboptimal, because it removes
all bookmarks, history, settings, etc.  I have one user that gets this
error almost daily, even after workstation swap, so I'm guessing there's
a behavioral component as well.

I have confirmed that killing all chromium-browser processes and rolling
back just $HOME/.config/chromium/Default/Preferences to the state it was
before a prior successful start is enough to fix the issue when it
happens to me.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: chromium-browser 71.0.3578.98-0ubuntu0.18.04.1
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CurrentDesktop: MATE
DRM.card0-DP-1:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64: 
 modes:
DRM.card0-HDMI-A-1:
 enabled: enabled
 dpms: On
 status: connected
 edid-base64: 
AP///////wAGs6EyAQEBAQgcAQOARid46g8lqFRDliIaUFS/74BxT4GAgQCzAIFAlQCpQNHAVl4AoKCgKVAwIDUAuokhAAASAAAA/QAySx5aGAAKICAgICAgAAAA/ABWQTMyQVEKICAgICAgAAAA/wBKMkxNQVMwMDExOTQKARECAyXxSpAEAwEUEgUfBxMjCQcHgwEAAG0DDAAQADgxAAAAAAAAAjqAGHE4LUBYLEUAuokhAAAfVl4AoKCgKVAwIDUAuokhAAAeAR0AclHQHiBuKFUAuokhAAAf1QmAoCDgLRAIYCIAuokhCAgYAAAAAAAAAAAAAAAAAAAAAAAA9A==
 modes: 2560x1440 2560x1440 1920x1080 1920x1080 1920x1080i 1920x1080i 1920x1080 
1920x1080i 1600x1200 1680x1050 1280x1024 1280x1024 1440x900 1280x960 1280x800 
1152x864 1280x720 1280x720 1280x720 1024x768 1024x768 1024x768 832x624 800x600 
800x600 800x600 800x600 720x576 720x480 720x480 720x480i 720x480i 640x480 
640x480 640x480 640x480 640x480 640x480 720x400
DRM.card0-HDMI-A-2:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64: 
 modes:
Date: Wed Feb  6 08:45:01 2019
Desktop-Session:
 'mate'
 '/etc/xdg/xdg-mate:/etc/xdg'
 
'/usr/share/mate:/usr/share/mate:/usr/local/share:/usr/share:/var/lib/snapd/desktop'
DetectedPlugins:
 
Env:
 'None'
 'None'
InstalledPlugins:
 
Load-Avg-1min: 3.04
Load-Processes-Running-Percent:   0.1%
MachineType: Shuttle Inc. DX30D
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-43-generic 
root=UUID=dc6e336f-c022-11e8-b65f-80ee73d362fb ro
SourcePackage: chromium-browser
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/15/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.02
dmi.board.asset.tag: Default string
dmi.board.name: FDX30
dmi.board.vendor: Shuttle Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1.02:bd02/15/2017:svnShuttleInc.:pnDX30D:pvrV1.0:rvnShuttleInc.:rnFDX30:rvr1.0:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: D
dmi.product.name: DX30D
dmi.product.version: V1.0
dmi.sys.vendor: Shuttle Inc.
modified.conffile..etc.default.chromium-browser: [deleted]

** Affects: chromium-browser (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic uec-images

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to chromium-browser in Ubuntu.
https://bugs.launchpad.net/bugs/1814936

Title:
  chromium-browser fails to start, with message
  [...:ERROR:data_store_impl.cc(131)] Failed to open Data Reduction
  Proxy DB: 3

Status in chromium-browser package in Ubuntu:
  New

Bug description:
  ps shows chromium-browser processes are running, but no windows
  appear.

  I've been able to correlate the message
  "[...:ERROR:data_store_impl.cc(131)] Failed to open Data Reduction
  Proxy DB: 3" with this failure mode.

  Users are frustrated when it happens to them, and advice online is to
  delete your profile and reboot, which is suboptimal, because it
  removes all bookmarks, history, settings, etc.  I have one user that
  gets this error almost daily, even after workstation swap, so I'm
  guessing there's a behavioral component as well.

  I have confirmed that killing all chromium-browser processes and
  rolling back just $HOME/.config/chromium/Default/Preferences to the
  state it was before a prior successful start is enough to fix the
  issue when it happens to me.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: chromium-browser 71.0.3578.98-0ubuntu0.18.04.1
  ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
  Uname: Linux 4.15.0-43-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  CurrentDesktop: MATE
  DRM.card0-DP-1:
   enabled: disabled
   dpms: Off
   status: disconnected
   edid-base64: 
   modes:
  DRM.card0-HDMI-A-1:
   enabled: enabled
   dpms: On
   status: connected
   edid-base64: 
AP///////wAGs6EyAQEBAQgcAQOARid46g8lqFRDliIaUFS/74BxT4GAgQCzAIFAlQCpQNHAVl4AoKCgKVAwIDUAuokhAAASAAAA/QAySx5aGAAKICAgICAgAAAA/ABWQTMyQVEKICAgICAgAAAA/wBKMkxNQVMwMDExOTQKARECAyXxSpAEAwEUEgUfBxMjCQcHgwEAAG0DDAAQADgxAAAAAAAAAjqAGHE4LUBYLEUAuokhAAAfVl4AoKCgKVAwIDUAuokhAAAeAR0AclHQHiBuKFUAuokhAAAf1QmAoCDgLRAIYCIAuokhCAgYAAAAAAAAAAAAAAAAAAAAAAAA9A==
   modes: 2560x1440 2560x1440 1920x1080 1920x1080 1920x1080i 1920x1080i 
1920x1080 1920x1080i 1600x1200 1680x1050 1280x1024 1280x1024 1440x900 1280x960 
1280x800 1152x864 1280x720 1280x720 1280x720 1024x768 1024x768 1024x768 832x624 
800x600 800x600 800x600 800x600 720x576 720x480 720x480 720x480i 720x480i 
640x480 640x480 640x480 640x480 640x480 640x480 720x400
  DRM.card0-HDMI-A-2:
   enabled: disabled
   dpms: Off
   status: disconnected
   edid-base64: 
   modes:
  Date: Wed Feb  6 08:45:01 2019
  Desktop-Session:
   'mate'
   '/etc/xdg/xdg-mate:/etc/xdg'
   
'/usr/share/mate:/usr/share/mate:/usr/local/share:/usr/share:/var/lib/snapd/desktop'
  DetectedPlugins:
   
  Env:
   'None'
   'None'
  InstalledPlugins:
   
  Load-Avg-1min: 3.04
  Load-Processes-Running-Percent:   0.1%
  MachineType: Shuttle Inc. DX30D
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-43-generic 
root=UUID=dc6e336f-c022-11e8-b65f-80ee73d362fb ro
  SourcePackage: chromium-browser
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/15/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1.02
  dmi.board.asset.tag: Default string
  dmi.board.name: FDX30
  dmi.board.vendor: Shuttle Inc.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1.02:bd02/15/2017:svnShuttleInc.:pnDX30D:pvrV1.0:rvnShuttleInc.:rnFDX30:rvr1.0:cvnDefaultstring:ct3:cvrDefaultstring:
  dmi.product.family: D
  dmi.product.name: DX30D
  dmi.product.version: V1.0
  dmi.sys.vendor: Shuttle Inc.
  modified.conffile..etc.default.chromium-browser: [deleted]

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