Public bug reported:
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?
** Affects: os-prober (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1046860
Title:
during kernel upgrade: rmdir: failed to remove `/var/lib/os-
prober/mount': Device or resource busy
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