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grub-install fails with nbd device
From: |
listsb |
Subject: |
grub-install fails with nbd device |
Date: |
Tue, 16 Jun 2020 12:10:39 -0400 |
hi-
i'm attempting to install grub to an esp partition on an nbd device, but it
fails, and says "error: cannot find a GRUB drive for /dev/nbd0p1" [see below].
this is a qcow2 image, presented to the system as /dev/nbd0 [e.g. qemu-nbd
--connect ...]. i also have another "traditional" disk connected as /dev/vdd,
partitioned the exact same way, and this works as expected.
i've tried --force, --removable, --no-nvram, with and without device.map files,
using a loop device - all with the same result.
what makes grub decide it's not a grub drive? also, why doesn't --force make
it work? based on what the man page says, it seemed to me like it should.
here's some hopefully relevant info - thanks!:
>parted /dev/nbd0 print
Model: Unknown (unknown)
Disk /dev/nbd0: 1074MB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 105MB 104MB fat32 esp boot, esp
2 105MB 1073MB 968MB pv1 lvm
>cat
>/opt/build/operating_systems/alpine/work/imagetest-c5676f32-412a-4ef4-b617-962b932b8ef2/boot/grub/device.map
(hd0) /dev/nbd0
installing grub to /dev/nbd0p1:
=============================
>grub-install \
> --verbose \
> --force \
> --removable \
> --target=x86_64-efi \
> --bootloader-id=alpine \
>
> "--efi-directory=/opt/build/operating_systems/alpine/work/imagetest-c5676f32-412a-4ef4-b617-962b932b8ef2/boot/efi"
> \
>
> "--boot-directory=/opt/build/operating_systems/alpine/work/imagetest-c5676f32-412a-4ef4-b617-962b932b8ef2/boot"
Installing for x86_64-efi platform.
grub-install: info: cannot open
`/opt/build/operating_systems/alpine/work/imagetest-c5676f32-412a-4ef4-b617-962b932b8ef2/boot/grub/device.map':
No such file or directory.
grub-install: info: /dev/nbd0p1 is not present.
grub-install: info: Looking for /dev/nbd0p1.
grub-install: info: /dev/nbd0 is a parent of /dev/nbd0p1.
grub-install: info: /dev/nbd0p1 is present.
grub-install: info: Looking for /dev/nbd0p1.
grub-install: info: /dev/nbd0 is a parent of /dev/nbd0p1.
grub-install: info: /dev/nbd0p1 is present.
grub-install: info: Looking for /dev/nbd0p1.
grub-install: info: /dev/nbd0 is a parent of /dev/nbd0p1.
grub-install: error: cannot find a GRUB drive for /dev/nbd0p1. Check your
device.map.
installing grub to /dev/vdd1:
=============================
>grub-install \
> --force \
> --removable \
> --target=x86_64-efi \
> --bootloader-id=alpine \
>
> "--efi-directory=/opt/build/operating_systems/alpine/work/imagetest-1e909864-b820-4939-9dff-b4918184c632/boot/efi"
> \
>
> "--boot-directory=/opt/build/operating_systems/alpine/work/imagetest-1e909864-b820-4939-9dff-b4918184c632/boot"
Installing for x86_64-efi platform.
File descriptor 4 (/dev/vdd1) leaked on vgs invocation. Parent PID 10249:
grub-install
You have a memory leak (not released memory pool):
[0x7fcace1b3f80] dtree
Internal error: Unreleased memory pool(s) found.
File descriptor 4 (/dev/vdd1) leaked on vgs invocation. Parent PID 10249:
grub-install
You have a memory leak (not released memory pool):
[0x7fcace1b3f80] dtree
Internal error: Unreleased memory pool(s) found.
Installation finished. No error reported.
- grub-install fails with nbd device,
listsb <=