Ubuntu
os-prober package

during kernel upgrade: rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy

Bug #1046860 reported by LaMont Jones
62
This bug affects 13 people
Affects Status Importance Assigned to Milestone
os-prober (Ubuntu)
Confirmed
Medium
Unassigned

Bug Description

On an up-to-date precise system, with os-prober 1.51ubuntu3 (and a rather complex disk configuration, to be fair):

#apt-get install --reinstall linux-image-3.2.0-30-generic-pae
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  linux-headers-3.2.0-29-generic linux-headers-3.2.0-27 linux-headers-3.2.0-29 linux-headers-3.2.0-27-generic
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 0 B/38.2 MB of archives.
After this operation, 0 B of additional disk space will be used.
(Reading database ... 133254 files and directories currently installed.)
Preparing to replace linux-image-3.2.0-30-generic-pae 3.2.0-30.48 (using .../linux-image-3.2.0-30-generic-pae_3.2.0-30.48_i386.deb) ...
Done.
Unpacking replacement linux-image-3.2.0-30-generic-pae ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.2.0-30-generic-pae /boot/vmlinuz-3.2.0-30-generic-pae
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.2.0-30-generic-pae /boot/vmlinuz-3.2.0-30-generic-pae
Setting up linux-image-3.2.0-30-generic-pae (3.2.0-30.48) ...
Running depmod.
update-initramfs: deferring update (hook will be called later)
Not updating initrd symbolic links since we are being updated/reinstalled
(3.2.0-30.48 was configured last, according to dpkg)
Not updating image symbolic links since we are being updated/reinstalled
(3.2.0-30.48 was configured last, according to dpkg)
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.2.0-30-generic-pae /boot/vmlinuz-3.2.0-30-generic-pae
update-initramfs: Generating /boot/initrd.img-3.2.0-30-generic-pae
run-parts: executing /etc/kernel/postinst.d/update-notifier 3.2.0-30-generic-pae /boot/vmlinuz-3.2.0-30-generic-pae
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.2.0-30-generic-pae /boot/vmlinuz-3.2.0-30-generic-pae
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.2.0-30-generic-pae
Found initrd image: /boot/initrd.img-3.2.0-30-generic-pae
Found linux image: /boot/vmlinuz-3.2.0-29-generic-pae
Found initrd image: /boot/initrd.img-3.2.0-29-generic-pae
Found memtest86+ image: /memtest86+.bin
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
rmdir: failed to remove `/var/lib/os-prober/mount': Device or resource busy
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
grub-probe: error: unknown filesystem.
done

The relevant stuff from lvdisplay and mdstat:
# lvdisplay -C
  LV VG Attr LSize Origin Snap% Move Log Copy% Convert
  backup-20110101 RADICCHIO owi-a- 30.00g
  backup-20110201-2305 RADICCHIO swi-ao 3.45g backup-20110101 92.40
  backup-20110601 RADICCHIO swi-a- 6.21g backup-20110101 99.98
  backup-20110801-2305 RADICCHIO swi-a- 7.26g backup-20110101 92.55
  backup-20111201-2305 RADICCHIO swi-a- 10.36g backup-20110101 92.34
  backup-20120101-2305 RADICCHIO swi-a- 10.14g backup-20120514 92.62
  backup-20120301-2305 RADICCHIO swi-a- 15.02g backup-20120514 92.86
  backup-20120401-2305 RADICCHIO swi-a- 12.33g backup-20120514 92.51
  backup-20120501-2305 RADICCHIO swi-a- 9.85g backup-20120514 92.38
  backup-20120514 RADICCHIO owi-a- 30.00g
  backup-20120601-2305 RADICCHIO swi-ao 3.24g backup-20120514 92.77
  backup-20120729-2305 RADICCHIO swi-a- 5.91g backup-20120514 92.10
  backup-20120806-2305 RADICCHIO swi-a- 6.13g backup-20120514 90.60
  backup-20120808-2305 RADICCHIO swi-a- 6.45g backup-20120514 88.73
  backup-20120809-2305 RADICCHIO swi-a- 6.45g backup-20120514 90.03
  backup-20120810-2305 RADICCHIO swi-a- 6.45g backup-20120514 91.88
  backup-20120820-1131 RADICCHIO swi-a- 7.10g backup-20120514 88.89
  backup-20120820-2305 RADICCHIO swi-a- 7.10g backup-20120514 89.69
  backup-20120821-2305 RADICCHIO swi-a- 7.10g backup-20120514 91.64
  backup-20120822-2305 RADICCHIO swi-a- 7.42g backup-20120514 89.07
  backup-20120823-2305 RADICCHIO swi-a- 7.42g backup-20120514 90.99
  backup-20120824-2305 RADICCHIO swi-a- 7.42g backup-20120514 92.83
  backup-20120825-2305 RADICCHIO swi-a- 7.74g backup-20120514 90.05
  backup-20120826 RADICCHIO owi-ao 30.00g
  backup-20120826-2305 RADICCHIO swi-a- 3.55g backup-20120514 90.71
  backup-20120827-2305 RADICCHIO swi-a- 1.94g backup-20120826 90.51
  backup-20120828-2305 RADICCHIO swi-a- 2.26g backup-20120826 87.75
  backup-20120829-2305 RADICCHIO swi-a- 2.58g backup-20120826 81.50
  backup-20120830-2305 RADICCHIO swi-a- 2.58g backup-20120826 86.18
  backup-20120831-2305 RADICCHIO swi-a- 2.58g backup-20120826 90.13
  backup-20120901-2305 RADICCHIO swi-a- 2.91g backup-20120826 90.31
  backup-20120902-2305 RADICCHIO swi-a- 2.58g backup-20120826 89.37
  backup-20120903-2305 RADICCHIO swi-a- 2.91g backup-20120826 85.55
  backup-20120904-2305 RADICCHIO swi-a- 2.91g backup-20120826 88.53
  backup-20120905-2305 RADICCHIO swi-ao 3.23g backup-20120826 84.87
  srv RADICCHIO -wi-ao 2.50t
  swap RADICCHIO -wi-ao 30.00g
# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md4 : active raid5 sdf1[7] sdk1[6] sdl1[5] sde1[2] sdc1[1]
      125822976 blocks super 1.2 level 5, 512k chunk, algorithm 2 [5/5] [UUUUU]

md3 : active raid6 sdo2[12](S) sdf2[10] sdj2[8] sdk2[9] sdm2[13] sdc2[1] sdi2[11] sdh2[3] sde2[2]
      11532327936 blocks super 1.2 level 6, 512k chunk, algorithm 2 [8/8] [UUUUUUUU]

md2 : active raid1 sdo1[5] sdn1[4] sdj1[6] sdh1[1]
      31456184 blocks super 1.2 [4/4] [UUUU]

md5 : active raid6 sdl2[3] sdn2[4] sdd2[1] sdg2[2] sdb2[0]
      5766167040 blocks super 1.2 level 6, 512k chunk, algorithm 2 [5/5] [UUUUU]

md6 : active raid5 sdm1[5] sdi1[3] sdg1[2] sdb1[0] sdd1[1]
      125822976 blocks super 1.2 level 5, 512k chunk, algorithm 2 [5/5] [UUUUU]

unused devices: <none>

what other info do you want?

Tags: precise
Brian Murray (brian-murray)
Changed in os-prober (Ubuntu):
importance: Undecided → Medium
tags: added: precise
Revision history for this message
NIXin (nixin) wrote :

same problem here, using lxc containers on LVM. osprober hangs while reading the lxc containers' LVMs.

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in os-prober (Ubuntu):
status: New → Confirmed
Revision history for this message
Ceda (ceda-ei) wrote :

I have a similar issue running sudo update-grub returns the following:
Generating grub configuration file ...
Found background image: Abc.png
Found linux image: /boot/vmlinuz-4.4.0-38-generic
Found initrd image: /boot/initrd.img-4.4.0-38-generic
Found linux image: /boot/vmlinuz-4.4.0-36-generic
Found initrd image: /boot/initrd.img-4.4.0-36-generic
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-4.4.0-28-generic
Found initrd image: /boot/initrd.img-4.4.0-28-generic
Found linux image: /boot/vmlinuz-4.4.0-24-generic
Found initrd image: /boot/initrd.img-4.4.0-24-generic
rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy
Found Windows 10 (loader) on /dev/sda1
Found elementary OS 0.4 Loki (0.4) on /dev/sda10
Found Linux Mint 18 Sarah (18) on /dev/sda11
Found Windows 10 (loader) on /dev/sda2
Found Arch on /dev/sda9

Revision history for this message
Ceda (ceda-ei) wrote :

I have a similar issue running sudo update-grub returns the following:
Generating grub configuration file ...
Found background image: Abc.png
Found linux image: /boot/vmlinuz-4.4.0-38-generic
Found initrd image: /boot/initrd.img-4.4.0-38-generic
Found linux image: /boot/vmlinuz-4.4.0-36-generic
Found initrd image: /boot/initrd.img-4.4.0-36-generic
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-4.4.0-28-generic
Found initrd image: /boot/initrd.img-4.4.0-28-generic
Found linux image: /boot/vmlinuz-4.4.0-24-generic
Found initrd image: /boot/initrd.img-4.4.0-24-generic
rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy
rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy
Found Windows 10 (loader) on /dev/sda1
Found elementary OS 0.4 Loki (0.4) on /dev/sda10
Found Linux Mint 18 Sarah (18) on /dev/sda11
Found Windows 10 (loader) on /dev/sda2
Found Arch on /dev/sda9

The process didn't end for a long time and I manually interpreted it afterwards.

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