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Bug#1099456: initramfs-tools: misleading error messages

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On Mon, 3 Mar 2025 19:58:06 +0100 Chris Hofstaedtler <zeha@debian.org>
wrote:
> Package: initramfs-tools
> Version: 0.145
> X-Debbugs-CC: team@grml.org
> 
> Dear initramfs-tools Maintainers,
> 
> while investigating Grml Live build (*) failures, I came across these 
> error messages:
> 
> Setting up linux-image-6.12.17-arm64 (6.12.17-1) ...
> I: /vmlinuz.old is now a symlink to boot/vmlinuz-6.12.17-arm64
> I: /initrd.img.old is now a symlink to boot/initrd.img-6.12.17-arm64
> I: /vmlinuz is now a symlink to boot/vmlinuz-6.12.17-arm64
> I: /initrd.img is now a symlink to boot/initrd.img-6.12.17-arm64
> /etc/kernel/postinst.d/initramfs-tools:
> update-initramfs: Generating /boot/initrd.img-6.12.17-arm64
> /usr/sbin/mkinitramfs: 122: cannot open
/sys/module/firmware_class/parameters/path: No such file
> /usr/sbin/mkinitramfs: 122: cannot open
/sys/module/firmware_class/parameters/path: No such file
> /usr/share/initramfs-tools/hooks/live: 122: cannot open
/sys/module/firmware_class/parameters/path: No such file
> /usr/share/initramfs-tools/hooks/cryptroot: 615: cannot open
/proc/mounts: No such file
> cryptsetup: WARNING: Couldn't determine root device
> sed: can't read /proc/cmdline: No such file or directory
> grep: /proc/swaps: No such file or directory
> /usr/share/initramfs-tools/hooks/cryptroot: 615: cannot open
/proc/mounts: No such file
> grep: /proc/cpuinfo: No such file or directory
> 
> Especially the lines marked "mkinitramfs: 122" seem to make no 
> sense, as /usr/sbin/mkinitramfs line 122 does not seem to deal with 
> /sys/module/firmware_class/parameters/path at all.
> 
> It would be nice if this could be improved.

This error message and line number comes from the shell. The issue here
is that the error comes from a file that was sourced. So the line number
122 refers to the sourced file. Searching the source code points to
/usr/share/initramfs-tools/hook-functions. 

The cryptroot:615 comes from get_mnt_devno() from
/lib/cryptsetup/functions.

So this bug should probably re-assigned to dash/bash/etc.

-- 
Benjamin Drung
Debian & Ubuntu Developer

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Thread

Bug#1099456: initramfs-tools: misleading error messages Chris Hofstaedtler <zeha@debian.org> - 2025-03-03 20:10 +0100
  Bug#1099456: initramfs-tools: misleading error messages Benjamin Drung <bdrung@debian.org> - 2025-06-27 13:50 +0200
  Processed: Re: initramfs-tools: misleading error messages "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-07-09 15:00 +0200
  Bug#1099456: initramfs-tools: misleading error messages Ben Hutchings <ben@decadent.org.uk> - 2025-07-09 15:00 +0200

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