[Bug 1990181] Re: xubuntu Jammy install backed by bcache failed on grub-installer stage

[Simon Chopin]

Looking at the logs, it seems grub-installer failed, but we don't have much to go on.
Which drive did you designate for the bootloader installation?

** Changed in: grub-installer (Ubuntu)
       Status: Invalid => Incomplete

** Description changed:

- Please email me with suggestions as to what can be done to complete this
- installation successfully to bcache devices.
+ The system was installed with / and /home partitions backed by bcache.
  
- ProblemType: Bug
- DistroRelease: Ubuntu 22.04
+ The install failed at the grub install stage with the following stack
+ trace:
+ 
+ Sep 19 17:24:45 xubuntu plugininstall.py: Exception during installation:
+ Traceback (most recent call last):
+ File "/usr/share/ubiquity/plugininstall.py", line 1856, in <module>
+   install.run()
+ File "/usr/share/ubiquity/plugininstall.py", line 61, in wrapper
+   func(self)
+ File "/usr/share/ubiquity/plugininstall.py", line 237, in run
+   self.configure_bootloader()
+ File "/usr/share/ubiquity/plugininstall.py", line 971, in configure_bootloader
+   raise install_misc.InstallStepError(
+ ubiquity.install_misc.InstallStepError: GrubInstaller failed with code 1
+ 
+ 
+ [Original report]
+ Please email me with suggestions as to what can be done to complete this installation successfully to bcache devices.
+ 
+ ProblemType: BugDistroRelease: Ubuntu 22.04
  Package: ubiquity 22.04.17
  ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
  Uname: Linux 5.15.0-25-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu82
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.470
  Date: Mon Sep 19 13:25:02 2022
- InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/xubuntu.seed maybe-ubiquity quiet splash ---
- LiveMediaBuild: Xubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
- RebootRequiredPkgs: Error: path contained symlinks.
- SourcePackage: grub-installer
+ InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/xubuntu.seed maybe-ubiquity quiet splash ---LiveMediaBuild: Xubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
+ RebootRequiredPkgs: Error: path contained symlinks.SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/1990181

Title:
  xubuntu Jammy install backed by bcache failed on grub-installer stage

Status in grub-installer package in Ubuntu:
  Incomplete

Bug description:
  The system was installed with / and /home partitions backed by bcache.

  The install failed at the grub install stage with the following stack
  trace:

  Sep 19 17:24:45 xubuntu plugininstall.py: Exception during installation:
  Traceback (most recent call last):
  File "/usr/share/ubiquity/plugininstall.py", line 1856, in <module>
    install.run()
  File "/usr/share/ubiquity/plugininstall.py", line 61, in wrapper
    func(self)
  File "/usr/share/ubiquity/plugininstall.py", line 237, in run
    self.configure_bootloader()
  File "/usr/share/ubiquity/plugininstall.py", line 971, in configure_bootloader
    raise install_misc.InstallStepError(
  ubiquity.install_misc.InstallStepError: GrubInstaller failed with code 1

  
  [Original report]
  Please email me with suggestions as to what can be done to complete this installation successfully to bcache devices.

  ProblemType: BugDistroRelease: Ubuntu 22.04
  Package: ubiquity 22.04.17
  ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
  Uname: Linux 5.15.0-25-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu82
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.470
  Date: Mon Sep 19 13:25:02 2022
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/xubuntu.seed maybe-ubiquity quiet splash ---LiveMediaBuild: Xubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
  RebootRequiredPkgs: Error: path contained symlinks.SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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