[Bug 1832108] [NEW] unmkinitramfs fails with lz4 compressed initrds

[Dimitri John Ledkov]

Public bug reported:

unmkinitramfs fails with lz4 compressed initrds

Note:

$ lz4cat -t unmkinitramfs_Cz6Yl9
File extension doesn't match expected LZ4_EXTENSION (.lz4); will not process file: unmkinitramfs_Cz6Yl9


And

$ lsinitramfs /boot/initrd.img
kernel
kernel/x86
kernel/x86/microcode
kernel/x86/microcode/.enuineIntel.align.0123456789abc
kernel/x86/microcode/GenuineIntel.bin
cpio: premature end of archive

** Affects: initramfs-tools (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1832108

Title:
  unmkinitramfs fails with lz4 compressed initrds

Status in initramfs-tools package in Ubuntu:
  New

Bug description:
  unmkinitramfs fails with lz4 compressed initrds

  Note:

  $ lz4cat -t unmkinitramfs_Cz6Yl9
  File extension doesn't match expected LZ4_EXTENSION (.lz4); will not process file: unmkinitramfs_Cz6Yl9

  
  And

  $ lsinitramfs /boot/initrd.img
  kernel
  kernel/x86
  kernel/x86/microcode
  kernel/x86/microcode/.enuineIntel.align.0123456789abc
  kernel/x86/microcode/GenuineIntel.bin
  cpio: premature end of archive

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