Control: reassign -1 src:kmod 30+20221128-1 Control: found -1 33+20240816-2 Control: affects -1 initramfs-tools-core Control: retitle -1 kmod: modprobe --show-depends may not show all softdeps
On Wed, 27 Dec 2023 12:36:45 +0000 hastalavista_deb...@murena.io wrote:
> Package: initramfs-tools-core
> Version: 0.142
> Severity: important
>
> mkinitramfs fails to detect that kernel module `xxhash_generic` should be
> installed to init ramdisk, when the rootfs is on a btrfs filesystem with
> checksum algorithm xxhash, and the disk partition table is msdos. This
> resulted
> in the system being unbootable because the init ramdisk lacks kernel xxhash
> support:
[...]
initramfs-tools uses modprobe to find the dependencies of each module it
installs.
The modinfo for btrfs includes:
softdep: pre: blake2b-256
softdep: pre: sha256
softdep: pre: xxhash64
softdep: pre: crypto-crc32c
But when we run:
version=$(uname -r)
/sbin/modprobe --all --set-version="${version}" --quiet --show-depends btrfs
the results are:
insmod /lib/modules/6.1.0-31-amd64/kernel/arch/x86/crypto/crc32c-intel.ko
insmod /lib/modules/6.1.0-31-amd64/kernel/crypto/crc32c_generic.ko
insmod /lib/modules/6.1.0-31-amd64/kernel/lib/libcrc32c.ko
insmod /lib/modules/6.1.0-31-amd64/kernel/lib/zstd/zstd_compress.ko
insmod /lib/modules/6.1.0-31-amd64/kernel/lib/raid6/raid6_pq.ko
insmod /lib/modules/6.1.0-31-amd64/kernel/crypto/xor.ko
insmod /lib/modules/6.1.0-31-amd64/kernel/crypto/blake2b_generic.ko
insmod /lib/modules/6.1.0-31-amd64/kernel/fs/btrfs/btrfs.ko
It seems like only the first softdep is being processed. (libcrc32c is
a regular dependency so I don't think the crc32c modules are being found
via the softdep on crypto-crc32c.)
Ben.
--
Ben Hutchings
Any smoothly functioning technology is indistinguishable
from a rigged demo.
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