On 29/06/2025 at 02:32, Kai Herlemann wrote:
Other checksum algorithms besides crc32c should be supported, especially xxhash. xxhash has better collision resistance, and according to some sources, it also has better performance (depending on the CPU model). Currently, it's not possible to select a different checksum algorithm in the installer. Even if you pre-create the filesystem before installation, this doesn't work – it seems the Debian Installer kernel doesn't support it.
AFAICS xxhash checksum requires the xxhash_generic kernel module which is currently not included in any kernel udeb. Only crc32_generic and crc32c_generic modules are included in kernel-image udeb.
