[Bug 1160360] Re: flash-kernel failed in an armhf lxc container on ARM: /usr/sbin/flash-kernel: 214: /usr/sbin/flash-kernel: mkimage: not found

[Jean-Baptiste Lallement]

I don't know if there is a sysvinit equivalent. For non-upstart systems,
we could check the cgroup name in /proc/self/cgroup but I think systemd
uses cgroup too so a name there wouldn't guarantee if we are or not in a
container. Another solution would be to check if inode number of / is
not 2 which would work for chroots and lxc.

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Title:
  flash-kernel failed in an armhf lxc container on ARM: /usr/sbin/flash-
  kernel: 214: /usr/sbin/flash-kernel: mkimage: not found

Status in “flash-kernel” package in Ubuntu:
  Triaged

Bug description:
  Raring armv7l
  lxc: 0.9.0~rc1-0ubuntu1
  flash-kernel: 3.0~rc.4ubuntu29
  initramfs-tools: 0.103ubuntu0.7

  
  When the kernel is upgraded inside an armhf LXC container running on armv7l, the upgrade fails with:
  ===
  Setting up initramfs-tools (0.103ubuntu0.7) ...
  update-initramfs: deferring update (trigger activated)
  Processing triggers for initramfs-tools ...
  update-initramfs: Generating /boot/initrd.img-3.8.0-14-generic
  flash-kernel: installing version 3.8.0-14-generic
  Generating kernel u-boot image... /usr/sbin/flash-kernel: 214: /usr/sbin/flash-kernel: mkimage: not found
  run-parts: /etc/initramfs/post-update.d//flash-kernel exited with return code 127
  dpkg: error processing initramfs-tools (--configure):
   subprocess installed post-installation script returned error exit status 1
  Errors were encountered while processing:
   initramfs-tools
  ===

  TEST CASE:
  1. Install an armhf container on an arm host
  2. Upgrade initramfs-tools

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: lxc 0.9.0~rc1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.8.0-13.23-generic 3.8.3
  Uname: Linux 3.8.0-13-generic x86_64
  ApportVersion: 2.9.2-0ubuntu4
  Architecture: amd64
  Date: Tue Mar 26 14:09:34 2013
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: lxc
  UpgradeStatus: Upgraded to raring on 2012-01-31 (419 days ago)

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