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Groups > linux.debian.kernel > #72048

Bug#989143: initramfs-tools: doesn’t actually compress with zstd

From Christoph Anton Mitterer <calestyo@scientia.net>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#989143: initramfs-tools: doesn’t actually compress with zstd
Date 2021-05-31 16:40 +0200
Message-ID <CkRfc-40D-5@gated-at.bofh.it> (permalink)
References <Cj5FD-5yK-1@gated-at.bofh.it> <CkMfw-158-7@gated-at.bofh.it> <Cj5FD-5yK-1@gated-at.bofh.it> <CkMfw-158-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Control: tags -1 - moreinfo

On Mon, 2021-05-31 at 11:08 +0200, Nicolas Schier wrote:
> To validate my argumentation, 
> please set 'COMPRESS=gzip' in '/etc/initramfs-tools/initramfs.conf', 
> run 'update-initramfs -u' again and compare the sizes of the
> (probably) 
> zstd-compressed one with the gzip-compressed one.

That gives:

With zstd:
# file initrd*
initrd.img-5.10.0-7-amd64: ASCII cpio archive (SVR4 with no CRC)

# l initrd*
-rw-r--r-- 1 root root 26M May 30 06:21 initrd.img-5.10.0-7-amd64


Changing to gzip:
# update-initramfs -u
...


# file initrd*
initrd.img-5.10.0-7-amd64: ASCII cpio archive (SVR4 with no CRC)

# l initrd*
-rw-r--r-- 1 root root 33M May 31 15:54 initrd.img-5.10.0-7-amd64


Cheers,
Chris.

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Thread

Bug#989143: initramfs-tools: doesn’t actually compress with zstd Christoph Anton Mitterer <calestyo@scientia.net> - 2021-05-26 19:40 +0200
  Bug#989143: initramfs-tools: doesn’t actually compress with zstd Nicolas Schier <nicolas@fjasle.eu> - 2021-05-31 11:20 +0200
    Bug#989143: initramfs-tools: doesn’t actually compress with zstd Christoph Anton Mitterer <calestyo@scientia.net> - 2021-05-31 16:40 +0200
  Processed: Re: Bug#989143: initramfs-tools: doesn’t  actually compress with zstd "Debian Bug Tracking System" <owner@bugs.debian.org> - 2021-05-31 11:20 +0200
  Processed: Re: Bug#989143: initramfs-tools: doesn’t  actually compress with zstd "Debian Bug Tracking System" <owner@bugs.debian.org> - 2021-05-31 16:40 +0200
  Bug#989143: marked as done (initramfs-tools: doesn’t  actually compress with zstd) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2021-06-05 16:30 +0200
  Bug#989143: initramfs-tools: doesn’t actually compress with zstd Christoph Anton Mitterer <calestyo@gmail.com> - 2021-06-05 17:00 +0200
    Bug#989143: initramfs-tools: doesn’t actually compress with zstd Ben Hutchings <ben@decadent.org.uk> - 2021-06-05 17:10 +0200
      Bug#989143: initramfs-tools: doesn’t actually compress with zstd Christoph Anton Mitterer <calestyo@scientia.net> - 2021-06-05 19:10 +0200

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