[Bug 1662661] Re: /usr/sbin/grub-probe: warning: Couldn't find physical volume `pv1'.
Joseph Dalrymple
1662661 at bugs.launchpad.net
Mon Jan 20 05:54:20 UTC 2025
Running into this as well with partitionless lvm.
```
# grub-mkconfig -o /boot/grub/grub.cfg
Generating grub configuration file ...
/usr/bin/grub-probe: warning: Couldn't find physical volume `pv1'. Some modules may be missing from core image..
...truncated...
Adding boot menu entry for UEFI Firmware Settings ...
done
```
The resulting grub.cfg is effectively empty and non-functional.
```
# lsblk -f
NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINTS
sda crypto_LUKS 2 04bdf5ca-6bc6-4d1f-996c-a9b4aab6e8d5
└─burnell-sgr-1806-20 LVM2_member LVM2 001 1yRd6R-O2e7-LpuF-Bta9-fq9Q-qofZ-LKpVA7
├─jocelyn-saggitarius_cpool_cmeta
│ └─jocelyn-aquila ext4 1.0 6e641e1e-38e3-480a-98eb-f1b8e86cc105 583.9G 77% /
└─jocelyn-aquila_corig
└─jocelyn-aquila ext4 1.0 6e641e1e-38e3-480a-98eb-f1b8e86cc105 583.9G 77% /
sdb
├─sdb1 vfat FAT32 6AC7-D20C 1020.5M 0% /boot/efi
└─sdb2 crypto_LUKS 1 54a71b20-6378-47db-87d7-77cbcbc26d9e
└─bulwark ext4 1.0 61424289-899e-4bd0-88c5-cc5eedebcf48 26G 1% /boot
nvme1n1 crypto_LUKS 2 7b1f4399-d263-4343-9c67-70b491c0a603
└─burnell-hulse linux_raid_member 1.2 psr-b1913+16 883d682c-070b-9263-344c-6dd51690056a
└─md127 LVM2_member LVM2 001 rDvKfL-B0lI-266M-3g77-mZeY-x9BT-GechmX
├─jocelyn-saggitarius_cpool_cdata
│ └─jocelyn-aquila ext4 1.0 6e641e1e-38e3-480a-98eb-f1b8e86cc105 583.9G 77% /
└─jocelyn-swap swap 1 475a7d85-9a41-44bc-9839-f1cb7fc6eee1 [SWAP]
nvme0n1 crypto_LUKS 2 4731acae-ebdb-4eb7-aa00-cdc95747fb58
└─burnell-taylor linux_raid_member 1.2 psr-b1913+16 883d682c-070b-9263-344c-6dd51690056a
└─md127 LVM2_member LVM2 001 rDvKfL-B0lI-266M-3g77-mZeY-x9BT-GechmX
├─jocelyn-saggitarius_cpool_cdata
│ └─jocelyn-aquila ext4 1.0 6e641e1e-38e3-480a-98eb-f1b8e86cc105 583.9G 77% /
└─jocelyn-swap swap 1 475a7d85-9a41-44bc-9839-f1cb7fc6eee1 [SWAP]
# pvdisplay
--- Physical volume ---
PV Name /dev/mapper/burnell-sgr-1806-20
VG Name jocelyn
PV Size <3.64 TiB / not usable <3.84 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 953857
Free PE 95362
Allocated PE 858495
PV UUID 1yRd6R-O2e7-LpuF-Bta9-fq9Q-qofZ-LKpVA7
--- Physical volume ---
PV Name /dev/md127
VG Name jocelyn
PV Size 1.86 TiB / not usable 0
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 488306
Free PE 0
Allocated PE 488306
PV UUID rDvKfL-B0lI-266M-3g77-mZeY-x9BT-GechmX
# vgdisplay
--- Volume group ---
VG Name jocelyn
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 19
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 2
Act PV 2
VG Size 5.50 TiB
PE Size 4.00 MiB
Total PE 1442163
Alloc PE / Size 1346801 / <5.14 TiB
Free PE / Size 95362 / <372.51 GiB
VG UUID Nfg53c-6vsH-1eNP-Mmud-wcyO-RMzL-KYxWXM
# lvdisplay
--- Logical volume ---
LV Path /dev/jocelyn/aquila
LV Name aquila
VG Name jocelyn
LV UUID nmUpJH-ckol-OB6E-NsET-IT9N-43nZ-r8lPlj
LV Write Access read/write
LV Creation host, time jdalrymple-arch1, 2023-07-30 19:24:38 -0500
LV Cache pool name saggitarius_cpool
LV Cache origin name aquila_corig
LV Status available
# open 1
LV Size 3.27 TiB
Cache used blocks 99.99%
Cache metadata blocks 23.65%
Cache dirty blocks 0.00%
Cache read hits/misses 317717689 / 10527082
Cache wrt hits/misses 886013932 / 12440447
Cache demotions 1321
Cache promotions 1456
Current LE 858471
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 32768
Block device 254:6
--- Logical volume ---
LV Path /dev/jocelyn/swap
LV Name swap
VG Name jocelyn
LV UUID M72bOf-HTSB-LlTa-eUkV-MlZu-pFMB-ICvgEn
LV Write Access read/write
LV Creation host, time archiso, 2023-08-01 21:29:08 -0500
LV Status available
# open 1
LV Size 16.00 GiB
Current LE 4096
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 32768
Block device 254:7
```
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https://bugs.launchpad.net/bugs/1662661
Title:
/usr/sbin/grub-probe: warning: Couldn't find physical volume `pv1'.
Status in grub2 package in Ubuntu:
Confirmed
Bug description:
This warning started appearing after adding a new disk to the VM and using the GUI logical volume manager to add it to the existing volume group.
It does not cause issues, other than erroneously displaying incorrect information.
Linux ubu16svr 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
Running in VM under ESXi5
Completely up-to-date as of 2/7/2017.
root at ubu16svr:/usr/bin# lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04
root at ubu16svr:/boot/grub# apt-cache policy grub-common
grub-common:
Installed: 2.02~beta2-36ubuntu3.6
Candidate: 2.02~beta2-36ubuntu3.7
Version table:
2.02~beta2-36ubuntu3.7 500
500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
*** 2.02~beta2-36ubuntu3.6 100
100 /var/lib/dpkg/status
2.02~beta2-36ubuntu3 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
root at ubu16svr:/usr/bin# df -h
Filesystem Size Used Avail Use% Mounted on
udev 7.9G 0 7.9G 0% /dev
tmpfs 1.6G 9.4M 1.6G 1% /run
/dev/mapper/ubu16svr--vg-root 33G 4.6G 27G 15% /
tmpfs 7.9G 176K 7.9G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup
tmpfs 7.9G 0 7.9G 0% /run/shm
/dev/sda1 472M 113M 335M 26% /boot
/dev/mapper/ubu16svr--vg-u 50G 6.2G 41G 14% /u
tmpfs 1.6G 28K 1.6G 1% /run/user/112
tmpfs 1.6G 0 1.6G 0% /run/user/0
root at ubu16svr:/usr/bin# pvdisplay
--- Physical volume ---
PV Name /dev/sda5
VG Name ubu16svr-vg
PV Size 49.52 GiB / not usable 2.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 12677
Free PE 0
Allocated PE 12677
PV UUID 0oMBEX-ic7t-FTdn-cLu7-KPiL-7oDp-mbKZGu
--- Physical volume ---
PV Name /dev/sdb
VG Name ubu16svr-vg
PV Size 50.00 GiB / not usable 4.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 12799
Free PE 0
Allocated PE 12799
PV UUID QkmmnW-Pdgm-L22d-ry2O-4RD6-eJc1-tcFtZc
root at ubu16svr:/usr/bin# vgdisplay
--- Volume group ---
VG Name ubu16svr-vg
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 5
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 3
Max PV 0
Cur PV 2
Act PV 2
VG Size 99.52 GiB
PE Size 4.00 MiB
Total PE 25476
Alloc PE / Size 25476 / 99.52 GiB
Free PE / Size 0 / 0
VG UUID 8U9kUQ-3OKE-MkU7-feOI-99jh-R5Rm-f7LVfp
root at ubu16svr:/usr/bin# lvdisplay
--- Logical volume ---
LV Path /dev/ubu16svr-vg/root
LV Name root
VG Name ubu16svr-vg
LV UUID mJ1QGk-GRIq-UevN-1Pz3-3cJV-67eC-joF4hX
LV Write Access read/write
LV Creation host, time ubu16svr, 2016-09-01 11:00:07 -0400
LV Status available
# open 1
LV Size 33.52 GiB
Current LE 8581
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 252:0
--- Logical volume ---
LV Path /dev/ubu16svr-vg/swap_1
LV Name swap_1
VG Name ubu16svr-vg
LV UUID hfxDTL-4c3c-tX8Y-vfQ2-0qjq-7fCK-a5NCE8
LV Write Access read/write
LV Creation host, time ubu16svr, 2016-09-01 11:00:08 -0400
LV Status available
# open 2
LV Size 16.00 GiB
Current LE 4096
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 252:1
--- Logical volume ---
LV Path /dev/ubu16svr-vg/u
LV Name u
VG Name ubu16svr-vg
LV UUID uyyGK8-ju2p-MFWV-cjR3-8zPi-UItn-dfA4kh
LV Write Access read/write
LV Creation host, time ubu16svr, 2017-01-23 17:10:17 -0500
LV Status available
# open 1
LV Size 50.00 GiB
Current LE 12799
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 252:2
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