dhk wrote: > My new laptop is set up to dual boot and has a clean Gentoo install as > the second operating system. It looks like there may be an issue with > the /usr Logical Volume (LV) somewhere between LVM, initramfs and > udev. Only the base system has been installed and updated (no desktop). > > The issue is the /usr logical volume is not mounted as expected. > After booting without the livecd: > * The df -h command show /usr on /dev/dm-1 and not > /dev/mapper/vg0-usr like the in the fstab. > * My expectation is it should follow the other LVs (home, var, opt, > vm) and be in the vg0 Volume Group on /dev/mapper . > * However the mount /usr command indicates that it is mounted > correctly: mount: /usr: /dev/mapper/vg0-usr already mounted or mount > point busy. > > Is there something off here or is this correct behavior? > > The laptop is a new HP Envy x360, 2-in-1 Flip Laptop, 15.6" Full HD > Touchscreen, AMD Ryzen 7 5700U Processor, 64GB RAM and 1TB PCIe SSD. > > Below is the /etc/fstab and output from lsblk, df -h and the links in > the volume group after booting to the livecd and booting to the ssd. > > Thank you > > # > ***************************************************************************** > # /etc/fstab: This is a dual boot system (Windows 11 & Gentoo), the > # same results occurred using straight mount points, LABEL and UUID. > # > ***************************************************************************** > # <fs> <mountpoint> <type> <opts> > <dump/pass> > #/dev/nvme0n1p1 /efi vfat > noauto,noatime 1 2 > #/dev/nvme0n1p2 / > #/dev/nvme0n1p3 /Win11 > #/dev/nvme0n1p4 /Win11Data > #/dev/nvme0n1p5 /Win11Recovery > /dev/nvme0n1p6 /boot ext2 > defaults,noatime 0 2 > /dev/nvme0n1p7 none swap > sw 0 0 > /dev/nvme0n1p8 / ext4 > defaults,noatime,discard 0 1 > /dev/nvme0n1p9 /lib/modules ext4 > defaults,noatime,discard 0 1 > /dev/nvme0n1p10 /tmp ext4 > defaults,noatime,discard 0 2 > > #/dev/mapper/vg0-usr /usr ext4 > defaults,noatime,discard 0 0 > #/dev/mapper/vg0-home /home ext4 > defaults,noatime,discard 0 1 > #/dev/mapper/vg0-opt /opt ext4 > defaults,noatime,discard 0 1 > #/dev/mapper/vg0-var /var ext4 > defaults,noatime,discard 0 1 > #/dev/mapper/vg1-vm /vm ext4 > noauto,noatime,discard,user 0 1 > > #Use blkid /dev/mapper/* to get the LABEL and UUID (quotes cause errors). > LABEL=usr /usr ext4 defaults,noatime,discard 0 0 > LABEL=home /home ext4 defaults,noatime,discard 0 1 > LABEL=opt /opt ext4 defaults,noatime,discard 0 1 > LABEL=var /var ext4 defaults,noatime,discard 0 1 > LABEL=vm /vm ext4 noauto,noatime,discard,user 0 1 > > #UUID=d9237094-6589-4e90-989d-17bfe74082a4 /usr ext4 > defaults,noatime,discard 0 0 > #UUID=53831f3e-6266-4186-a7e1-90ecd027b981 /home ext4 > defaults,noatime,discard 0 1 > #UUID=cbdfcbb5-dff1-4b21-8eca-d1684b621fb2 /opt ext4 > defaults,noatime,discard 0 1 > #UUID=d43c8c7a-1a83-42f7-958d-9402e7bcc48f /var ext4 > defaults,noatime,discard 0 1 > #UUID=95ea1fcc-df9d-4c0b-bce4-a979f8430728 /vm ext4 > noauto,noatime,discard,user 0 1 > > /dev/cdrom /mnt/cdrom auto > rw,exec,noauto,user 0 0 > > > # > ***************************************************************************** > # Booting to the livecd and before chroot, all looks good. > # > ***************************************************************************** > livecd ~ # lsblk > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS > loop0 7:0 0 385.7M 1 loop /mnt/livecd > sda 8:0 1 2G 0 disk > └─sda1 8:1 1 2G 0 part /mnt/cdrom > nvme0n1 259:0 0 931.5G 0 disk > ├─nvme0n1p1 259:1 0 100M 0 part > ├─nvme0n1p2 259:2 0 16M 0 part > ├─nvme0n1p3 259:3 0 52.2G 0 part > ├─nvme0n1p4 259:4 0 40.2G 0 part > ├─nvme0n1p5 259:5 0 608.6M 0 part > ├─nvme0n1p6 259:6 0 2.8G 0 part /mnt/gentoo/boot > ├─nvme0n1p7 259:7 0 4.7G 0 part [SWAP] > ├─nvme0n1p8 259:8 0 9.3G 0 part /mnt/gentoo > ├─nvme0n1p9 259:9 0 3.7G 0 part /mnt/gentoo/lib/modules > ├─nvme0n1p10 259:10 0 2.8G 0 part /mnt/gentoo/tmp > ├─nvme0n1p11 259:11 0 186.3G 0 part > │ ├─vg0-usr 253:1 0 25G 0 lvm /mnt/gentoo/usr > │ ├─vg0-var 253:2 0 20G 0 lvm /mnt/gentoo/var > │ ├─vg0-home 253:3 0 80G 0 lvm /mnt/gentoo/home > │ └─vg0-opt 253:4 0 20G 0 lvm /mnt/gentoo/opt > ├─nvme0n1p12 259:12 0 186.3G 0 part > │ └─vg1-vm 253:0 0 150G 0 lvm /mnt/gentoo/vm > ├─nvme0n1p13 259:13 0 93.1G 0 part > ├─nvme0n1p14 259:14 0 93.1G 0 part > ├─nvme0n1p15 259:15 0 46.6G 0 part > ├─nvme0n1p16 259:16 0 46.6G 0 part > ├─nvme0n1p17 259:17 0 46.6G 0 part > ├─nvme0n1p18 259:18 0 46.6G 0 part > ├─nvme0n1p19 259:19 0 46.6G 0 part > └─nvme0n1p20 259:20 0 23.5G 0 part > > livecd ~ # df -h > Filesystem Size Used Avail Use% Mounted on > none 32G 704K 32G 1% /run > udev 10M 0 10M 0% /dev > shm 32G 0 32G 0% /dev/shm > tmpfs 32G 60M 32G 1% / > /dev/sda1 2.0G 436M 1.6G 22% /mnt/cdrom > /dev/loop0 386M 386M 0 100% /mnt/livecd > cgroup_root 10M 0 10M 0% /sys/fs/cgroup > /dev/nvme0n1p8 9.1G 915M 7.7G 11% /mnt/gentoo > /dev/nvme0n1p6 2.8G 105M 2.6G 4% /mnt/gentoo/boot > /dev/nvme0n1p9 3.6G 112M 3.3G 4% /mnt/gentoo/lib/modules > /dev/nvme0n1p10 2.7G 32K 2.6G 1% /mnt/gentoo/tmp > /dev/mapper/vg0-usr 25G 3.7G 20G 16% /mnt/gentoo/usr > /dev/mapper/vg0-var 20G 2.4G 17G 13% /mnt/gentoo/var > /dev/mapper/vg0-home 79G 24K 75G 1% /mnt/gentoo/home > /dev/mapper/vg0-opt 20G 14M 19G 1% /mnt/gentoo/opt > /dev/mapper/vg1-vm 147G 28K 140G 1% /mnt/gentoo/vm > tmpfs 32G 0 32G 0% /mnt/gentoo/dev/shm > > > # > ***************************************************************************** > # Booting to the livecd and after chroot, all looks good. > # > ***************************************************************************** > (chroot) livecd # lsblk > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS > loop0 7:0 0 385.7M 1 loop > sda 8:0 1 2G 0 disk > └─sda1 8:1 1 2G 0 part > nvme0n1 259:0 0 931.5G 0 disk > ├─nvme0n1p1 259:1 0 100M 0 part > ├─nvme0n1p2 259:2 0 16M 0 part > ├─nvme0n1p3 259:3 0 52.2G 0 part > ├─nvme0n1p4 259:4 0 40.2G 0 part > ├─nvme0n1p5 259:5 0 608.6M 0 part > ├─nvme0n1p6 259:6 0 2.8G 0 part /boot > ├─nvme0n1p7 259:7 0 4.7G 0 part [SWAP] > ├─nvme0n1p8 259:8 0 9.3G 0 part / > ├─nvme0n1p9 259:9 0 3.7G 0 part /lib/modules > ├─nvme0n1p10 259:10 0 2.8G 0 part /tmp > ├─nvme0n1p11 259:11 0 186.3G 0 part > │ ├─vg0-usr 253:1 0 25G 0 lvm /usr > │ ├─vg0-var 253:2 0 20G 0 lvm /var > │ ├─vg0-home 253:3 0 80G 0 lvm /home > │ └─vg0-opt 253:4 0 20G 0 lvm /opt > ├─nvme0n1p12 259:12 0 186.3G 0 part > │ └─vg1-vm 253:0 0 150G 0 lvm /vm > ├─nvme0n1p13 259:13 0 93.1G 0 part > ├─nvme0n1p14 259:14 0 93.1G 0 part > ├─nvme0n1p15 259:15 0 46.6G 0 part > ├─nvme0n1p16 259:16 0 46.6G 0 part > ├─nvme0n1p17 259:17 0 46.6G 0 part > ├─nvme0n1p18 259:18 0 46.6G 0 part > ├─nvme0n1p19 259:19 0 46.6G 0 part > └─nvme0n1p20 259:20 0 23.5G 0 part > > (chroot) livecd # df -h > Filesystem Size Used Avail Use% Mounted on > /dev/nvme0n1p8 9.1G 915M 7.7G 11% / > /dev/nvme0n1p6 2.8G 105M 2.6G 4% /boot > /dev/nvme0n1p9 3.6G 112M 3.3G 4% /lib/modules > /dev/nvme0n1p10 2.7G 32K 2.6G 1% /tmp > /dev/mapper/vg0-usr 25G 3.7G 20G 16% /usr > /dev/mapper/vg0-var 20G 2.4G 17G 13% /var > /dev/mapper/vg0-home 79G 24K 75G 1% /home > /dev/mapper/vg0-opt 20G 14M 19G 1% /opt > /dev/mapper/vg1-vm 147G 28K 140G 1% /vm > cgroup_root 10M 0 10M 0% /sys/fs/cgroup > udev 10M 0 10M 0% /dev > tmpfs 32G 0 32G 0% /dev/shm > none 32G 704K 32G 1% /run > > > > # > ***************************************************************************** > # Booting to new system, the df -h does not shows /usr in > # the vg0 volume group under /dev/mapper. > # > ***************************************************************************** > newhost / # df -h > Filesystem Size Used Avail Use% Mounted on > none 32G 604K 32G 1% /run > udev 10M 0 10M 0% /dev > tmpfs 32G 0 32G 0% /dev/shm > /dev/nvme0n1p8 9.1G 916M 7.7G 11% / > */dev/dm-1 25G 3.9G 20G 17% /usr ** # This looks > wrong,**the expectation is that it would be /dev/mapper/vg0-usr .** > *cgroup_root 10M 0 10M 0% /sys/fs/cgroup > /dev/nvme0n1p6 2.8G 105M 2.6G 4% /boot > /dev/nvme0n1p9 3.6G 112M 3.3G 4% /lib/modules > /dev/nvme0n1p10 2.7G 32K 2.6G 1% /tmp > /dev/mapper/vg0-home 79G 24K 75G 1% /home > /dev/mapper/vg0-opt 20G 7.3M 19G 1% /opt > /dev/mapper/vg0-var 20G 2.8G 16G 15% /var > > newhost / # lsblk > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS > nvme0n1 259:0 0 931.5G 0 disk > ├─nvme0n1p1 259:1 0 100M 0 part > ├─nvme0n1p2 259:2 0 16M 0 part > ├─nvme0n1p3 259:3 0 52.2G 0 part > ├─nvme0n1p4 259:4 0 40.2G 0 part > ├─nvme0n1p5 259:5 0 608.6M 0 part > ├─nvme0n1p6 259:6 0 2.8G 0 part /boot > ├─nvme0n1p7 259:7 0 4.7G 0 part [SWAP] > ├─nvme0n1p8 259:8 0 9.3G 0 part / > ├─nvme0n1p9 259:9 0 3.7G 0 part /lib/modules > ├─nvme0n1p10 259:10 0 2.8G 0 part /tmp > ├─nvme0n1p11 259:11 0 186.3G 0 part > │ ├─*vg0-usr 253:1 0 25G 0 lvm /usr ** # This looks right.* > │ ├─vg0-var 253:2 0 20G 0 lvm /var > │ ├─vg0-home 253:3 0 80G 0 lvm /home > │ └─vg0-opt 253:4 0 20G 0 lvm /opt > ├─nvme0n1p12 259:12 0 186.3G 0 part > │ └─vg1-vm 253:0 0 150G 0 lvm > ├─nvme0n1p13 259:13 0 93.1G 0 part > ├─nvme0n1p14 259:14 0 93.1G 0 part > ├─nvme0n1p15 259:15 0 46.6G 0 part > ├─nvme0n1p16 259:16 0 46.6G 0 part > ├─nvme0n1p17 259:17 0 46.6G 0 part > ├─nvme0n1p18 259:18 0 46.6G 0 part > ├─nvme0n1p19 259:19 0 46.6G 0 part > └─nvme0n1p20 259:20 0 23.5G 0 part > > newhost / # ls -l /dev/vg0 /dev/vg1 > /dev/vg0: > total 0 > lrwxrwxrwx 1 root root 7 Apr 4 03:32 home -> ../dm-3 > lrwxrwxrwx 1 root root 7 Apr 4 03:32 opt -> ../dm-4 > lrwxrwxrwx 1 root root 7 Apr 4 03:32 *usr -> ../dm-1 # This looks > right.* > lrwxrwxrwx 1 root root 7 Apr 4 03:32 var -> ../dm-2 > > /dev/vg1: > total 0 > lrwxrwxrwx 1 root root 7 Apr 4 03:32 vm -> ../dm-0 > > # mount /usr > mount: /usr: /dev/mapper/vg0-usr already mounted or mount point busy. >
Is it possible that something else has the usr label? I don't see anything in the info you provided but maybe it is elsewhere, somewhere. Another option, try using the UUID instead. That would eliminate the above if that is the problem. Grasping at straws. Dale :-) :-)
