После update-initramfs (MODULES=most) на свежеустановленном Debian Stretch после загрузки не работает WiFi (iwlwifi). Обновлял initramfs после изменений в crypttab (переименования устройства), система установлена на LVM on LUKS. WiFi без проблем заводится после
rmmod iwlmvm iwlwifi && modprobe iwlwifi[    0.931631] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-26.ucode (-2)
[    0.931632] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-26.ucode failed with error -2
[    0.931638] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-25.ucode (-2)
[    0.931639] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-25.ucode failed with error -2
[    0.931656] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-24.ucode (-2)
[    0.931657] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-24.ucode failed with error -2
[    0.931665] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-23.ucode (-2)
[    0.931665] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-23.ucode failed with error -2
[    0.931676] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-22.ucode (-2)
[    0.931677] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-22.ucode failed with error -2
[    0.931683] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-21.ucode (-2)
[    0.931683] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-21.ucode failed with error -2
[    0.931688] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-20.ucode (-2)
[    0.931689] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-20.ucode failed with error -2
[    0.931705] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-19.ucode (-2)
[    0.931705] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-19.ucode failed with error -2
[    0.931710] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-18.ucode (-2)
[    0.931711] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-18.ucode failed with error -2
[    0.931716] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-8000C-17.ucode (-2)
[    0.931716] iwlwifi 0000:02:00.0: Direct firmware load for iwlwifi-8000C-17.ucode failed with error -2

