Bug#917234: [initramfs-tools] Unable to detect root device
Package: initramfs-tools
Version: 0.132
Severity: normal
Dear Debian folks,
Updating the Linux kernel package fails with the error below.
```
$ sudo LANG=C dpkg -a --configure
Setting up linux-image-4.19.0-1-amd64 (4.19.12-1) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-4.19.0-1-amd64
mkinitramfs: failed to determine device for /
mkinitramfs: workaround is MODULES=most, check:
grep -r MODULES /etc/initramfs-tools
Error please report bug on initramfs-tools
Include the output of 'mount' and 'cat /proc/mounts'
update-initramfs: failed for /boot/initrd.img-4.19.0-1-amd64 with 1.
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
dpkg: error processing package linux-image-4.19.0-1-amd64 (--configure):
installed linux-image-4.19.0-1-amd64 package post-installation script
subprocess returned error exit status 1
Errors were encountered while processing:
linux-image-4.19.0-1-amd64
```
`/dev/mapper/sda3_crypt` is the root device.
```
$ mount
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,relatime)
udev on /dev type devtmpfs
(rw,nosuid,relatime,size=8144364k,nr_inodes=2036091,mode=755)
devpts on /dev/pts type devpts
(rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=1630000k,mode=755)
/dev/mapper/sda3_crypt on / type ext4 (rw,relatime,errors=remount-ro)
securityfs on /sys/kernel/security type securityfs
(rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup2 on /sys/fs/cgroup/unified type cgroup2
(rw,nosuid,nodev,noexec,relatime,nsdelegate)
cgroup on /sys/fs/cgroup/systemd type cgroup
(rw,nosuid,nodev,noexec,relatime,xattr,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
efivarfs on /sys/firmware/efi/efivars type efivarfs
(rw,nosuid,nodev,noexec,relatime)
bpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
cgroup on /sys/fs/cgroup/perf_event type cgroup
(rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/pids type cgroup
(rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup
(rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/cpuset type cgroup
(rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup
(rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/memory type cgroup
(rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/blkio type cgroup
(rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/devices type cgroup
(rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/freezer type cgroup
(rw,nosuid,nodev,noexec,relatime,freezer)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs
(rw,relatime,fd=36,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=1351)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
mqueue on /dev/mqueue type mqueue (rw,relatime)
/dev/sda2 on /boot type ext4 (rw,relatime,errors=remount-ro)
/dev/sda1 on /boot/efi type vfat
(rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro)
tmpfs on /run/user/5272 type tmpfs
(rw,nosuid,nodev,relatime,size=1629996k,mode=700,uid=5272,gid=5272)
gvfsd-fuse on /run/user/5272/gvfs type fuse.gvfsd-fuse
(rw,nosuid,nodev,relatime,user_id=5272,group_id=5272)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
```
```
$ cat /proc/mounts
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
proc /proc proc rw,relatime 0 0
udev /dev devtmpfs
rw,nosuid,relatime,size=8144364k,nr_inodes=2036091,mode=755 0 0
devpts /dev/pts devpts
rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,noexec,relatime,size=1630000k,mode=755 0 0
/dev/mapper/sda3_crypt / ext4 rw,relatime,errors=remount-ro 0 0
securityfs /sys/kernel/security securityfs
rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
tmpfs /run/lock tmpfs rw,nosuid,nodev,noexec,relatime,size=5120k 0 0
tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,mode=755 0 0
cgroup2 /sys/fs/cgroup/unified cgroup2
rw,nosuid,nodev,noexec,relatime,nsdelegate 0 0
cgroup /sys/fs/cgroup/systemd cgroup
rw,nosuid,nodev,noexec,relatime,xattr,name=systemd 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
efivarfs /sys/firmware/efi/efivars efivarfs
rw,nosuid,nodev,noexec,relatime 0 0
bpf /sys/fs/bpf bpf rw,nosuid,nodev,noexec,relatime,mode=700 0 0
cgroup /sys/fs/cgroup/perf_event cgroup
rw,nosuid,nodev,noexec,relatime,perf_event 0 0
cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup
rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0
cgroup /sys/fs/cgroup/cpuset cgroup
rw,nosuid,nodev,noexec,relatime,cpuset 0 0
cgroup /sys/fs/cgroup/net_cls,net_prio cgroup
rw,nosuid,nodev,noexec,relatime,net_cls,net_prio 0 0
cgroup /sys/fs/cgroup/memory cgroup
rw,nosuid,nodev,noexec,relatime,memory 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/devices cgroup
rw,nosuid,nodev,noexec,relatime,devices 0 0
cgroup /sys/fs/cgroup/freezer cgroup
rw,nosuid,nodev,noexec,relatime,freezer 0 0
debugfs /sys/kernel/debug debugfs rw,relatime 0 0
systemd-1 /proc/sys/fs/binfmt_misc autofs
rw,relatime,fd=36,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=1351
0 0
hugetlbfs /dev/hugepages hugetlbfs rw,relatime,pagesize=2M 0 0
mqueue /dev/mqueue mqueue rw,relatime 0 0
/dev/sda2 /boot ext4 rw,relatime,errors=remount-ro 0 0
/dev/sda1 /boot/efi vfat
rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro
0 0
tmpfs /run/user/5272 tmpfs
rw,nosuid,nodev,relatime,size=1629996k,mode=700,uid=5272,gid=5272 0 0
gvfsd-fuse /run/user/5272/gvfs fuse.gvfsd-fuse
rw,nosuid,nodev,relatime,user_id=5272,group_id=5272 0 0
fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0
```
Kind regards,
Paul
--- System information. ---
Architecture: Kernel: Linux 4.19.0-1-amd64
Debian Release: buster/sid
500 unstable deb.debian.org 1 experimental deb.debian.org
--- Package information. ---
Depends (Version) | Installed
===================================-+-===========
initramfs-tools-core (= 0.132) | 0.132
linux-base | 4.5
Package's Recommends field is empty.
Suggests (Version) | Installed
==============================-+-===========
bash-completion | 1:2.8-5
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