[Bug 1784363] Re: High delay when booting (grub waits with a blank purple screen for 10 seconds before booting the kernel)

[Steve Langasek]

** Description changed:

  Steps to reproduce
  ------------------
  
- 1. Upgrade `grub-pc` to 2.02-2ubuntu8.2 (installed by default on 18.04.1?)
+ 1. Upgrade `grub-pc` to 2.02-2ubuntu8.8 (installed by default on 18.04.1?)
  2. Reboot
  
  Expected behavior
  -----------------
  
  Timeout is set to 3-5 seconds (as I remember)
  
  Actual behavior
  ---------------
  
  Boot delayed - timeout is set to 15 seconds (as counted)
  
  External information
  --------------------
  
  vitalkanev@<hostname>:~$ lsb_release -rd && echo && LANG=C apt policy grub-pc && echo && uname -a
  Description:	Ubuntu 18.04.1 LTS
  Release:	18.04
  
  grub-pc:
-   Installed: 2.02-2ubuntu8.2
-   Candidate: 2.02-2ubuntu8.2
-   Version table:
-  *** 2.02-2ubuntu8.2 500
-         500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
-         100 /var/lib/dpkg/status
-      2.02-2ubuntu8 500
-         500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
+   Installed: 2.02-2ubuntu8.2
+   Candidate: 2.02-2ubuntu8.2
+   Version table:
+  *** 2.02-2ubuntu8.2 500
+         500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
+         100 /var/lib/dpkg/status
+      2.02-2ubuntu8 500
+         500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  
  Linux <hostname> 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52
  UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: grub-pc 2.02-2ubuntu8.2
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Mon Jul 30 14:00:47 2018
  InstallationDate: Installed on 2018-07-15 (14 days ago)
  InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

** Description changed:

- Steps to reproduce
- ------------------
- 
- 1. Upgrade `grub-pc` to 2.02-2ubuntu8.8 (installed by default on 18.04.1?)
+ [Test case]
+ 1. Install grub-pc 2.02-2ubuntu8.7 from bionic-updates.
  2. Reboot
- 
- Expected behavior
- -----------------
- 
- Timeout is set to 3-5 seconds (as I remember)
- 
- Actual behavior
- ---------------
- 
- Boot delayed - timeout is set to 15 seconds (as counted)
+ 3. Observe there is a 10 second delay before the kernel boots.
+ 4. Install grub-pc 2.02-2ubuntu8.8 from bionic-proposed.
+ 5. Reboot
+ 6. Observer that the 10 second delay has disappeared.
  
  External information
  --------------------
  
  vitalkanev@<hostname>:~$ lsb_release -rd && echo && LANG=C apt policy grub-pc && echo && uname -a
  Description:	Ubuntu 18.04.1 LTS
  Release:	18.04
  
  grub-pc:
    Installed: 2.02-2ubuntu8.2
    Candidate: 2.02-2ubuntu8.2
    Version table:
   *** 2.02-2ubuntu8.2 500
          500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       2.02-2ubuntu8 500
          500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  
  Linux <hostname> 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52
  UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: grub-pc 2.02-2ubuntu8.2
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Mon Jul 30 14:00:47 2018
  InstallationDate: Installed on 2018-07-15 (14 days ago)
  InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/1784363

Title:
  High delay when booting (grub waits with a blank purple screen for 10
  seconds before booting the kernel)

Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2-signed package in Ubuntu:
  Fix Released
Status in grub2 source package in Bionic:
  Fix Committed
Status in grub2-signed source package in Bionic:
  Fix Committed

Bug description:
  [Test case]
  1. Install grub-pc 2.02-2ubuntu8.7 from bionic-updates.
  2. Reboot
  3. Observe there is a 10 second delay before the kernel boots.
  4. Install grub-pc 2.02-2ubuntu8.8 from bionic-proposed.
  5. Reboot
  6. Observer that the 10 second delay has disappeared.

  External information
  --------------------

  vitalkanev@<hostname>:~$ lsb_release -rd && echo && LANG=C apt policy grub-pc && echo && uname -a
  Description:	Ubuntu 18.04.1 LTS
  Release:	18.04

  grub-pc:
    Installed: 2.02-2ubuntu8.2
    Candidate: 2.02-2ubuntu8.2
    Version table:
   *** 2.02-2ubuntu8.2 500
          500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       2.02-2ubuntu8 500
          500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages

  Linux <hostname> 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52
  UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: grub-pc 2.02-2ubuntu8.2
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Mon Jul 30 14:00:47 2018
  InstallationDate: Installed on 2018-07-15 (14 days ago)
  InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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