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Bug#917234: [initramfs-tools] Unable to detect root device

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  Bug#917234: [initramfs-tools] Unable to detect root device Paul Menzel <pmenzel@molgen.mpg.de> - 2018-12-24 15:20 +0100
    Processed: Re: Bug#917234: [initramfs-tools] Unable to detect  root device "Debian Bug Tracking System" <owner@bugs.debian.org> - 2018-12-25 22:00 +0100
    Bug#917234: [initramfs-tools] Unable to detect root device Ben Hutchings <ben@decadent.org.uk> - 2018-12-25 22:00 +0100
      Bug#917234: [initramfs-tools] Unable to detect root device Paul Menzel <pmenzel@molgen.mpg.de> - 2018-12-29 11:40 +0100
        Bug#917234: [initramfs-tools] Unable to detect root device Ben Hutchings <ben@decadent.org.uk> - 2018-12-29 18:00 +0100
          Bug#917234: [initramfs-tools] Unable to detect root device Paul Menzel <pmenzel@molgen.mpg.de> - 2018-12-29 20:00 +0100
            Bug#917234: [initramfs-tools] Unable to detect root device Paul Menzel <pmenzel@molgen.mpg.de> - 2018-12-30 14:00 +0100
              Bug#917234: [initramfs-tools] Unable to detect root device Ben Hutchings <ben@decadent.org.uk> - 2018-12-30 19:30 +0100
    Bug#917234: [initramfs-tools] Unable to detect root device Rémi DUCCESCHI <remi.ducceschi@gmail.com> - 2018-12-29 17:30 +0100
      Bug#917234: [initramfs-tools] Unable to detect root device Rémi DUCCESCHI <remi.ducceschi@gmail.com> - 2018-12-30 10:30 +0100

#62824 — 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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#62846 — Processed: Re: Bug#917234: [initramfs-tools] Unable to detect root device

Processing control commands:

> tag -1 moreinfo
Bug #917234 [initramfs-tools] [initramfs-tools] Unable to detect root device
Added tag(s) moreinfo.

-- 
917234: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=917234
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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#62848

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Control: tag -1 moreinfo

On Mon, 2018-12-24 at 15:05 +0100, Paul Menzel wrote:
> Package: initramfs-tools
> Version: 0.132
> Severity: normal
> 
> Dear Debian folks,
> 
> 
> Updating the Linux kernel package fails with the error below.
[...]

I think this is bug #917124.  Try downgrading udev to version 239-15
(still in testing).

Ben.

-- 
Ben Hutchings
It is impossible to make anything foolproof
because fools are so ingenious.

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#62881

Dear Ben,


Am 25.12.18 um 21:55 schrieb Ben Hutchings:

> On Mon, 2018-12-24 at 15:05 +0100, Paul Menzel wrote:

>> Updating the Linux kernel package fails with the error below.
> [...]
> 
> I think this is bug #917124.  Try downgrading udev to version 239-15
> (still in testing).

Downgrading udev and libudev1 to 239-15 did not help. It also still 
happens with udev 240-2.

The problem is, that `/dev/mapper/sda3_crypt` is not there for some reason.

     $ ls -l /dev/mapper/
     insgesamt 0
     crw------- 1 root root 10, 236 Dez 29 10:55 control

 From the systemd journal:

     Dez 29 10:55:11 ersatz kernel:  sda: sda1 sda2 sda3
     Dez 29 10:55:11 ersatz systemd[1]: Starting Cryptography Setup for 
sda3_crypt...
     Dez 29 10:55:11 ersatz systemd-cryptsetup[369]: Volume sda3_crypt 
already active.
     Dez 29 10:55:11 ersatz systemd[1]: Started Cryptography Setup for 
sda3_crypt.

I wonder, how it works at all, as `/dev/mapper/sda3_crypt` is used in 
`/etc/fstab`.


Kind regards,

Paul

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#62889

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On Sat, 2018-12-29 at 11:19 +0100, Paul Menzel wrote:
> Dear Ben,
> 
> 
> Am 25.12.18 um 21:55 schrieb Ben Hutchings:
> 
> > On Mon, 2018-12-24 at 15:05 +0100, Paul Menzel wrote:
> > > Updating the Linux kernel package fails with the error below.
> > [...]
> > 
> > I think this is bug #917124.  Try downgrading udev to version 239-15
> > (still in testing).
> 
> Downgrading udev and libudev1 to 239-15 did not help. It also still 
> happens with udev 240-2.
[...]

You might need to reboot first.

Ben.

-- 
Ben Hutchings
Life is what happens to you while you're busy making other plans.
                                                          - John Lennon

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#62890

Dear Ben,


Am 29.12.18 um 17:47 schrieb Ben Hutchings:
> On Sat, 2018-12-29 at 11:19 +0100, Paul Menzel wrote:

>> Am 25.12.18 um 21:55 schrieb Ben Hutchings:
>>
>>> On Mon, 2018-12-24 at 15:05 +0100, Paul Menzel wrote:
>>>> Updating the Linux kernel package fails with the error below.
>>> [...]
>>>
>>> I think this is bug #917124.  Try downgrading udev to version 239-15
>>> (still in testing).
>>
>> Downgrading udev and libudev1 to 239-15 did not help. It also still
>> happens with udev 240-2.
> [...]
> 
> You might need to reboot first.

I did reboot, and the problem is still there.

No idea, if the initrd needs to be updated, but that does not work due 
to the issue at hand.


Kind regards,

Paul

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#62896

Dear Ben,


Am 29.12.18 um 19:55 schrieb Paul Menzel:

> Am 29.12.18 um 17:47 schrieb Ben Hutchings:
>> On Sat, 2018-12-29 at 11:19 +0100, Paul Menzel wrote:
> 
>>> Am 25.12.18 um 21:55 schrieb Ben Hutchings:
>>>
>>>> On Mon, 2018-12-24 at 15:05 +0100, Paul Menzel wrote:
>>>>> Updating the Linux kernel package fails with the error below.
>>>> [...]
>>>>
>>>> I think this is bug #917124.  Try downgrading udev to version 239-15
>>>> (still in testing).
>>>
>>> Downgrading udev and libudev1 to 239-15 did not help. It also still
>>> happens with udev 240-2.
>> [...]
>>
>> You might need to reboot first.
> 
> I did reboot, and the problem is still there.
> 
> No idea, if the initrd needs to be updated, but that does not work due 
> to the issue at hand.

That was indeed the problem. Editing 
`/usr/share/initramfs-tools/hook-functions` and 
`/usr/share/initramfs-tools/hooks/cryptroot` to ignore the missing file 
`/dev/mapper/sda3_crypt` and running `sudo update-initramfs -u` fixed 
the issue for me.

     $ ls -l /dev/mapper/sda3_crypt
     lrwxrwxrwx 1 root root 7 Dez 30 13:42 /dev/mapper/sda3_crypt ->
../dm-0

Should this bug report be merged with #917124?


Kind regards,

Paul

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#62902

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Control: reassign -1 udev
Control: forcemerge 917124 -1

On Sun, 2018-12-30 at 13:48 +0100, Paul Menzel wrote:
> Dear Ben,
> 
> 
> Am 29.12.18 um 19:55 schrieb Paul Menzel:
> 
> > Am 29.12.18 um 17:47 schrieb Ben Hutchings:
> > > On Sat, 2018-12-29 at 11:19 +0100, Paul Menzel wrote:
> > > > Am 25.12.18 um 21:55 schrieb Ben Hutchings:
> > > > 
> > > > > On Mon, 2018-12-24 at 15:05 +0100, Paul Menzel wrote:
> > > > > > Updating the Linux kernel package fails with the error below.
> > > > > [...]
> > > > > 
> > > > > I think this is bug #917124.  Try downgrading udev to version 239-15
> > > > > (still in testing).
> > > > 
> > > > Downgrading udev and libudev1 to 239-15 did not help. It also still
> > > > happens with udev 240-2.
> > > [...]
> > > 
> > > You might need to reboot first.
> > 
> > I did reboot, and the problem is still there.
> > 
> > No idea, if the initrd needs to be updated, but that does not work due 
> > to the issue at hand.
> 
> That was indeed the problem. Editing 
> `/usr/share/initramfs-tools/hook-functions` and 
> `/usr/share/initramfs-tools/hooks/cryptroot` to ignore the missing file 
> `/dev/mapper/sda3_crypt` and running `sudo update-initramfs -u` fixed 
> the issue for me.
> 
>      $ ls -l /dev/mapper/sda3_crypt
>      lrwxrwxrwx 1 root root 7 Dez 30 13:42 /dev/mapper/sda3_crypt ->
> ../dm-0
> 
> Should this bug report be merged with #917124?

Yes, it sounds like this really is the same thing although it was
harder for you to recover from.

Ben.

-- 
Ben Hutchings
The generation of random numbers is too important to be left to chance.
                                                       - Robert Coveyou

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#62888

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Hello,

I have installed Debian Sid on a LUCKS ext4 partition, ans I have the same
issue.

`ls -l /dev/mapper/` Gives me the same as Paul.

Best regards,

Rémi

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#62894

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Hello,

It seems to be solved for me. The problem happenned when I was trying to
upgrade.

What I did:
- reboot on old kernel (4.18)
- do a `dist-upgrade`
   - this worked fine, no initframfs error
- reboot on latest kernel (4.19)

I haven't had any issue since.

Best regards,

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