Installed grub pc package post installation script subprocess returned error exit status 1

Hello,

I have an error with grub after doing an upgrade package, can I get some help please ?

Here the error during installing

Setting up grub-common (2.02+dfsg1-20+deb10u3) ...
Setting up grub-efi-amd64-bin (2.02+dfsg1-20+deb10u3) ...
Setting up grub-efi-amd64-signed (1+2.02+dfsg1+20+deb10u3) ...
Setting up grub2-common (2.02+dfsg1-20+deb10u3) ...
Setting up grub-pc-bin (2.02+dfsg1-20+deb10u3) ...
Setting up grub-pc (2.02+dfsg1-20+deb10u3) ...
Installing for i386-pc platform.
grub-install: warning: this GPT partition label contains no BIOS Boot Partition; embedding won't be possible.
grub-install: error: embedding is not possible, but this is required for RAID and LVM install.
You must correct your GRUB install devices before proceeding:

  dpkg-reconfigure grub-pc
dpkg: error processing package grub-pc (--configure):
 installed grub-pc package post-installation script subprocess returned error exit status 1
Processing triggers for dbus (1.12.20-0+deb10u1) ...
Processing triggers for mime-support (3.62) ...
Processing triggers for libc-bin (2.28-10) ...
Processing triggers for systemd (241-7~deb10u6) ...
Processing triggers for man-db (2.8.5-2) ...
Processing triggers for ntp (1:4.2.8p12+dfsg-4) ...
Processing triggers for ca-certificates (20200601~deb10u2) ...
Updating certificates in /etc/ssl/certs...
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...
done.
Processing triggers for initramfs-tools (0.133+deb10u1) ...
update-initramfs: Generating /boot/initrd.img-4.19.0-8-amd64
I: The initramfs will attempt to resume from /dev/sdb3
I: (UUID=4400e9c5-936f-46c9-8da6-4acc5f8b97af)
I: Set the RESUME variable to override this.
Processing triggers for dovecot-core (1:2.3.4.1-5+deb10u6) ...
Errors were encountered while processing:
 grub-pc
E: Sub-process /usr/bin/dpkg returned an error code (1)

Here’s some commands if that helps:

> fdisk -l
Disk /dev/sda: 3.7 TiB, 4000787030016 bytes, 7814037168 sectors
Disk model: HGST HUS724040AL
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 2DB59B16-136E-40F9-A322-D5235563FB9B
Device          Start        End    Sectors  Size Type
/dev/sda1        2048    1048575    1046528  511M EFI System
/dev/sda2     1048576 7812980735 7811932160  3.7T Linux RAID
/dev/sda3  7812980736 7814027263    1046528  511M Linux swap
/dev/sda4  7814035215 7814037134       1920  960K Linux filesystem
Disk /dev/sdb: 3.7 TiB, 4000787030016 bytes, 7814037168 sectors
Disk model: HGST HUS724040AL
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 8D2D6667-FC64-4EFF-BD18-81871D1C99FE
Device          Start        End    Sectors  Size Type
/dev/sdb1        2048    1048575    1046528  511M EFI System
/dev/sdb2     1048576 7812980735 7811932160  3.7T Linux RAID
/dev/sdb3  7812980736 7814027263    1046528  511M Linux swap
Disk /dev/md2: 3.7 TiB, 3999709200384 bytes, 7811932032 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

> od -tx1z -Ax -N 446 /dev/sda1
000000 eb 58 90 6d 6b 66 73 2e 66 61 74 00 02 08 20 00  >.X.mkfs.fat... .<
000010 02 00 00 00 00 f8 00 00 3f 00 ff 00 00 08 00 00  >........?.......<
000020 00 f8 0f 00 fc 03 00 00 00 00 00 00 02 00 00 00  >................<
000030 01 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00  >................<
000040 80 00 29 a8 83 38 13 45 46 49 5f 53 59 53 50 41  >..)..8.EFI_SYSPA<
000050 52 54 46 41 54 33 32 20 20 20 0e 1f be 77 7c ac  >RTFAT32   ...w|.<
000060 22 c0 74 0b 56 b4 0e bb 07 00 cd 10 5e eb f0 32  >".t.V.......^..2<
000070 e4 cd 16 cd 19 eb fe 54 68 69 73 20 69 73 20 6e  >.......This is n<
000080 6f 74 20 61 20 62 6f 6f 74 61 62 6c 65 20 64 69  >ot a bootable di<
000090 73 6b 2e 20 20 50 6c 65 61 73 65 20 69 6e 73 65  >sk.  Please inse<
0000a0 72 74 20 61 20 62 6f 6f 74 61 62 6c 65 20 66 6c  >rt a bootable fl<
0000b0 6f 70 70 79 20 61 6e 64 0d 0a 70 72 65 73 73 20  >oppy and..press <
0000c0 61 6e 79 20 6b 65 79 20 74 6f 20 74 72 79 20 61  >any key to try a<
0000d0 67 61 69 6e 20 2e 2e 2e 20 0d 0a 00 00 00 00 00  >gain ... .......<
0000e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  >................<
*
0001b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00        >..............<
0001be
> od -tx1z -Ax -N 446 /dev/sdb1
000000 eb 58 90 6d 6b 66 73 2e 66 61 74 00 02 08 20 00  >.X.mkfs.fat... .<
000010 02 00 00 00 00 f8 00 00 3f 00 ff 00 00 08 00 00  >........?.......<
000020 00 f8 0f 00 fc 03 00 00 00 00 00 00 02 00 00 00  >................<
000030 01 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00  >................<
000040 80 01 29 c2 3d 7e 13 45 46 49 5f 53 59 53 50 41  >..).=~.EFI_SYSPA<
000050 52 54 46 41 54 33 32 20 20 20 0e 1f be 77 7c ac  >RTFAT32   ...w|.<
000060 22 c0 74 0b 56 b4 0e bb 07 00 cd 10 5e eb f0 32  >".t.V.......^..2<
000070 e4 cd 16 cd 19 eb fe 54 68 69 73 20 69 73 20 6e  >.......This is n<
000080 6f 74 20 61 20 62 6f 6f 74 61 62 6c 65 20 64 69  >ot a bootable di<
000090 73 6b 2e 20 20 50 6c 65 61 73 65 20 69 6e 73 65  >sk.  Please inse<
0000a0 72 74 20 61 20 62 6f 6f 74 61 62 6c 65 20 66 6c  >rt a bootable fl<
0000b0 6f 70 70 79 20 61 6e 64 0d 0a 70 72 65 73 73 20  >oppy and..press <
0000c0 61 6e 79 20 6b 65 79 20 74 6f 20 74 72 79 20 61  >any key to try a<
0000d0 67 61 69 6e 20 2e 2e 2e 20 0d 0a 00 00 00 00 00  >gain ... .......<
0000e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  >................<
*
0001b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00        >..............<
0001be

> blkid
/dev/sda1: LABEL_FATBOOT="EFI_SYSPART" LABEL="EFI_SYSPART" UUID="1338-83A8" TYPE="vfat" PARTLABEL="primary" PARTUUID="f70faeba-7221-4637-96b8-a47a9579d3fd"
/dev/sda2: UUID="b8df49cb-3565-aab8-a4d2-adc226fd5302" TYPE="linux_raid_member" PARTLABEL="primary" PARTUUID="989ce6a1-286c-4d9d-8413-c093135d43c2"
/dev/sda3: LABEL="swap-sda3" UUID="f2a4c1c1-07af-473c-abee-e323d456aa5a" TYPE="swap" PARTLABEL="primary" PARTUUID="a3234ad6-2524-4ca8-aa9c-81dde53fca78"
/dev/sda4: UUID="2020-04-07-10-42-57-00" LABEL="config-2" TYPE="iso9660" PARTLABEL="config-drive" PARTUUID="bca400b9-8cff-4a69-88e4-1431b0d2f07c"
/dev/sdb1: LABEL_FATBOOT="EFI_SYSPART" LABEL="EFI_SYSPART" UUID="137E-3DC2" TYPE="vfat" PARTLABEL="primary" PARTUUID="69cec58c-cd38-4129-85e9-f701c931506d"
/dev/sdb2: UUID="b8df49cb-3565-aab8-a4d2-adc226fd5302" TYPE="linux_raid_member" PARTLABEL="primary" PARTUUID="803642da-2c63-41b1-ab96-8e9e6fa57197"
/dev/sdb3: LABEL="swap-sdb3" UUID="4400e9c5-936f-46c9-8da6-4acc5f8b97af" TYPE="swap" PARTLABEL="primary" PARTUUID="51e5fc3f-eaa1-4e3d-9c29-8ba88481e4d4"
/dev/md2: LABEL="/" UUID="2088258e-06ac-4de8-b63e-29e0a741760d" TYPE="ext4"

> cat /proc/mdstat
Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10]
md2 : active raid1 sdb2[1] sda2[0]
      3905966016 blocks [2/2] [UU]
      bitmap: 13/30 pages [52KB], 65536KB chunk
unused devices: <none>

It is a dedicated server on Debian 10 running Webmin 1.962
Kernel CPU Linux 4.19.0-8-amd64 on x86_64

Thank you a lot in advance for your help

Why do you have the grub-pc package installed in a UEFI system?

Perhaps try

# apt install grub-pc{,-bin}- grub-efi-amd64

Not sure about the RAID stuff though so wait for forum member @p.H to reply before continuing. They know more than me about this sort of thing.

Pyloux wrote:Kernel CPU Linux 4.19.0-8-amd64 on x86_64

You need to update your kernel, Debian 10 is on the 4.19.0-14 ABI version now.

Thank you for your quickly response Head_on_a_Stick

Head_on_a_Stick wrote:Why do you have the grub-pc package installed in a UEFI system?

I don’t really know, this is a dedicated server rent at ovh. I do not have install the system myself, I just chose the Debian version.

So, I’ll wait @p.H, thank you

I hope you have not been waiting too long…
The disk layout suggests a UEFI boot setup, but GRUB packages for both BIOS and UEFI boot are installed. This is unusual. Most packages for multiple «flavours» of GRUB can be installed simultaneously, but only one package which is actually in charge of installing and upgrading the GRUB boot loader can be installed, such as grub-pc for PC BIOS boot or grub-efi-amd64 for 64-bit PC UEFI boot.

Here grub-pc is installed, so a GRUB package upgrade will (try to) install the GRUB boot loader for BIOS boot. /boot is inside a RAID array and the disks have GPT partition tables so GRUB requires a dedicated (unformatted) «BIOS boot» partition. Lack of this partition causes the boot loader installation failure.

First, you should check whether the system currently booted in UEFI or BIOS mode. Presence of /sys/firmware/efi means UEFI, absence means BIOS. You can also install boot-info-script and run bootinfoscript to gather boot information such as the presence of GRUB in the disk MBR. You can also check where grub-pc is supposed to install the boot loader with

debconf-show grub-pc | grep install_devices

If the system booted in UEFI mode, grub-efi-amd64 should be installed instead of grub-pc.
If the system booted in UEFI mode, «BIOS boot» partitions should be created on both disks. 1 MB is more than enough.

Hello p.H

Thank you for your reply ! Don’t worry, better late than never ! But it’s not too late so it’s ok

Apparently it’s UEFI, the efi folder exist

> ls -alh /sys/firmware/efi/
total 0
drwxr-xr-x   6 root root    0 Feb  8 11:15 .
drwxr-xr-x   6 root root    0 Feb  8 11:15 ..
-r--r--r--   1 root root 4.0K Feb  8 11:15 config_table
drwxr-xr-x   2 root root    0 Nov 16 10:28 efivars
drwxr-xr-x   3 root root    0 Feb  8 11:15 esrt
-r--r--r--   1 root root 4.0K Feb  8 11:15 fw_platform_size
-r--r--r--   1 root root 4.0K Feb  8 11:15 fw_vendor
-r--r--r--   1 root root 4.0K Feb  8 11:15 runtime
drwxr-xr-x  14 root root    0 Feb  8 11:15 runtime-map
-r--------   1 root root 4.0K Feb  8 11:15 systab
drwxr-xr-x 125 root root    0 Feb  8 11:15 vars

> ls -alh /boot/grub/
total 2.4M
drwxr-xr-x 6 root root 4.0K Jul 31  2020 .
drwxr-xr-x 5 root root 4.0K Feb  6 15:13 ..
drwxr-xr-x 2 root root 4.0K Mar 28  2020 fonts
-r--r--r-- 1 root root 6.0K Jul 31  2020 grub.cfg
-rw-r--r-- 1 root root 1.0K Mar 28  2020 grubenv
drwxr-xr-x 2 root root  20K Feb  6 15:13 i386-pc
drwxr-xr-x 2 root root 4.0K Feb  6 15:13 locale
-rw-r--r-- 1 root root 2.3M Jul 31  2020 unicode.pf2
drwxr-xr-x 2 root root  12K Apr  7  2020 x86_64-efi

So, I need to uninstall grub-pc and install grub-efi-amd64, like that ?

> apt-get purge grub-pc
> apt-get grub-efi-amd64
> grub-install /dev/sda1
> update-grub

It’s the same thing to install on /dev/sda1 or /dev/sdb1 ?
Maybe after install on sda1 I need to do some command for the /dev/sdb1 ? Or just like that is ok cause it’s a RAID ?

Then I can reboot the server without issue ?

I waiting your confirmation if it’s ok, I must admit that I’m a little scared, I don’t want to crash my server

Sorry, I don’t know much in this domain

Thank you very much to take your time to help me !

Have a great day.

You don’t need to reinstall GRUB if the server is already booting and anyway the UEFI version doesn’t accept a block device as an argument.

Just run the commands I suggested earlier, they will uninstall grub-pc and the -bin package and install grub-efi-amd64 and the kernel metapackage (to keep your kernel updated).

Pyloux wrote:Apparently it’s UEFI, the efi folder exist

Then you can check how exactly it booted. First, check the EFI boot variables :

Then check the contents of the EFI system partitions. One should be mounted on /boot/efi

grep /boot/efi /proc/mounts
find /boot/efi

Mount the other one on /mnt, e.g. /dev/sdb1

This will show if your setup has boot redundancy.

Pyloux wrote:So, I need to uninstall grub-pc and install grub-efi-amd64, like that ?

You do not need to uninstall grub-pc ; installing grub-efi-amd64 will do it as both packages conflict with each other.

Pyloux wrote:It’s the same thing to install on /dev/sda1 or /dev/sdb1 ?

Yes, it is the same thing because in UEFI mode grub-install ignores the /dev/whatever argument, as boot sectors are not used by UEFI boot. By default it installs the boot loader in whatever partition is mounted on /boot/efi and registers or updates a boot entry in the EFI non-volatile memory. Software RAID has not been taken into account, the EFI partitions must be plain partitions and cannot be part of a software RAID array. For UEFI boot redundancy, I manually install GRUB in both EFI partitions in the «removable device path» :

grub-install --force-extra-removable
grub-install --force-extra-removable --no-nvram --efi-directory=/path/to/other/efi

But whenever I can, I rather setup redundant BIOS/legacy boot because it is simpler and more reliable. All it takes is a BIOS boot partition on each disk.

Head_on_a_Stick wrote:You don’t need to reinstall GRUB if the server is already booting

This upgrade does not seem to address any vulnerability, so indeed running grub-install is not required. However installing grub-efi-amd64 will run grub-install automatically.

Hey !

Sorry for my long response time

I have run your commands:

> efibootmgr -v
BootCurrent: 0007
Timeout: 1 seconds
BootOrder: 0007,0009,000B,000D,000E,000C,0000
Boot0000* ubuntu        VenHw(99e275e7-75a0-4b37-a2e6-c5385e6c00cb)
Boot0007* UEFI: PXE IP4 P0 Intel(R) Ethernet Controller X550    PciRoot(0x0)/Pci(0x1b,0x4)/Pci(0x0,0x0)/MAC(d05099d50975,1)/IPv4(0.0.0.00.0.0.0,0,0)..BO
Boot0009* UEFI: PXE IP4 P1 Intel(R) Ethernet Controller X550    PciRoot(0x0)/Pci(0x1b,0x4)/Pci(0x0,0x1)/MAC(d05099d50974,1)/IPv4(0.0.0.00.0.0.0,0,0)..BO
Boot000B* UEFI: Built-in EFI Shell      VenMedia(5023b95c-db26-429b-a648-bd47664c8012)..BO
Boot000C* UEFI: PXE IP4 P0 American Megatrends Inc.     PciRoot(0x0)/Pci(0x14,0x0)/USB(7,0)/USB(2,1)/MAC(0e89673f05c5,0)/IPv4(0.0.0.00.0.0.0,0,0)..BO
Boot000D* debian        HD(1,GPT,f70faeba-7221-4637-96b8-a47a9579d3fd,0x800,0xff800)/File(EFIDEBIANGRUBX64.EFI)..BO
Boot000E* debian        HD(1,GPT,69cec58c-cd38-4129-85e9-f701c931506d,0x800,0xff800)/File(EFIDEBIANGRUBX64.EFI)..BO

> grep /boot/efi /proc/mounts
/dev/sdb1 /boot/efi vfat rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro 0 0
> find /boot/efi
/boot/efi
/boot/efi/EFI
/boot/efi/EFI/debian
/boot/efi/EFI/debian/shimx64.efi
/boot/efi/EFI/debian/grubx64.efi
/boot/efi/EFI/debian/mmx64.efi
/boot/efi/EFI/debian/fbx64.efi
/boot/efi/EFI/debian/BOOTX64.CSV
/boot/efi/EFI/debian/grub.cfg

> mount /dev/sda1 /mnt
> find /mnt
/mnt
/mnt/EFI
/mnt/EFI/debian
/mnt/EFI/debian/BOOTX64.CSV
/mnt/EFI/debian/fbx64.efi
/mnt/EFI/debian/grub.cfg
/mnt/EFI/debian/grubx64.efi
/mnt/EFI/debian/mmx64.efi
/mnt/EFI/debian/shimx64.efi

What should I do next ?

Simply this ?

> apt-get grub-efi-amd64
> grub-install /dev/sda1
> update-grub

Thank you for your help really appreciated !

Have a geat day

Here’s the output after a routine update. Please tell me what to do with this as it did say changes have been applied. Hoping It reboots!

E: grub-pc: installed grub-pc package post-installation script subprocess returned error exit status 1
E: grub-efi-amd64-signed: dependency problems — leaving unconfigured

debconf: DbDriver «config»: /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
(Reading database … 331108 files and directories currently installed.)
Preparing to unpack …/0-grub-pc_2.04-1ubuntu26.9_amd64.deb …
Unpacking grub-pc (2.04-1ubuntu26.9) over (2.04-1ubuntu26. …
Preparing to unpack …/1-grub2-common_2.04-1ubuntu26.9_amd64.deb …
Unpacking grub2-common (2.04-1ubuntu26.9) over (2.04-1ubuntu26. …
Preparing to unpack …/2-grub-pc-bin_2.04-1ubuntu26.9_amd64.deb …
Unpacking grub-pc-bin (2.04-1ubuntu26.9) over (2.04-1ubuntu26. …
Preparing to unpack …/3-grub-efi-amd64-signed_1.142.11+2.04-1ubuntu26.9_amd64.deb …
Unpacking grub-efi-amd64-signed (1.142.11+2.04-1ubuntu26.9) over (1.142.10+2.04-1ubuntu26. …
Preparing to unpack …/4-grub-efi-amd64-bin_2.04-1ubuntu26.9_amd64.deb …
Unpacking grub-efi-amd64-bin (2.04-1ubuntu26.9) over (2.04-1ubuntu26. …
Preparing to unpack …/5-grub-common_2.04-1ubuntu26.9_amd64.deb …
Unpacking grub-common (2.04-1ubuntu26.9) over (2.04-1ubuntu26. …
Setting up grub-common (2.04-1ubuntu26.9) …
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
Processing triggers for ubuntu-system-adjustments (2020.12.28) …
Reloading systemd
Removed /etc/systemd/system/multi-user.target.wants/hddtemp.service.
Created symlink /etc/systemd/system/multi-user.target.wants/hddtemp.service → /etc/systemd/system/hddtemp.service.
Processing triggers for install-info (6.7.0.dfsg.2-5) …
Setting up grub-efi-amd64-bin (2.04-1ubuntu26.9) …
Setting up grub2-common (2.04-1ubuntu26.9) …
Processing triggers for systemd (245.4-4ubuntu3.4) …
Processing triggers for man-db (2.9.1-1) …
Setting up grub-pc-bin (2.04-1ubuntu26.9) …
Setting up grub-pc (2.04-1ubuntu26.9) …
debconf: DbDriver «config»: /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing package grub-pc (—configure):
installed grub-pc package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of grub-efi-amd64-signed:
grub-efi-amd64-signed depends on grub-efi-amd64 | grub-pc; however:
Package grub-efi-amd64 is not installed.
Package grub-pc is not configured yet.

dpkg: error processing package grub-efi-amd64-signed (—configure):
dependency problems — leaving unconfigured
Errors were encountered while processing:
grub-pc
grub-efi-amd64-signed
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install. Trying to recover:
Setting up grub-pc (2.04-1ubuntu26.9) …
debconf: DbDriver «config»: /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing package grub-pc (—configure):
installed grub-pc package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of grub-efi-amd64-signed:
grub-efi-amd64-signed depends on grub-efi-amd64 | grub-pc; however:
Package grub-efi-amd64 is not installed.
Package grub-pc is not configured yet.

dpkg: error processing package grub-efi-amd64-signed (—configure):
dependency problems — leaving unconfigured
Errors were encountered while processing:
grub-pc
grub-efi-amd64-signed

Mine did not reboot — so I did a full reinstall… ARGHH!! I have a Radeon 5700 graphics card, so I think it is associated with those drivers. I was finally able to reboot in ‘safe’ mode, but display is out of whack — not recognizing graphics.

Any help with grub updates/amd drivers? I prefer not to reinstall — again….

fibrou wrote: ↑

Tue Feb 23, 2021 2:00 am

Mine did not reboot — so I did a full reinstall… ARGHH!! I have a Radeon 5700 graphics card, so I think it is associated with those drivers. I was finally able to reboot in ‘safe’ mode, but display is out of whack — not recognizing graphics.

Any help with grub updates/amd drivers? I prefer not to reinstall — again….

Radeon graphics are not well supported. Search on ubuntu forums for solution.

Mine did not reboot — so I did a full reinstall… ARGHH!!

If you haven’t done so, now is the time to setup timeshift so if you bork it in future you have an easy route back to a working system. In addition to timeshift also take image backups.

Thanks AndyMH! I actually had TimeShift set, but when I restored, nothing happened. System never reboots to login screen. The only way I can access my machine is using «Recovery Mode» and then rebooting, but when I do that, I do not get proper graphics.

I really have tried this step-by-step, but now I am at a loss.

What can I provide the community to help you help me «fix» this problem?

fibrou wrote: ↑

Tue Feb 23, 2021 9:55 am

Thanks AndyMH! I actually had TimeShift set, but when I restored, nothing happened. System never reboots to login screen. The only way I can access my machine is using «Recovery Mode» and then rebooting, but when I do that, I do not get proper graphics.

I really have tried this step-by-step, but now I am at a loss.

What can I provide the community to help you help me «fix» this problem?

Please create your own thread for your issue. You are not the OP of this thread and it gets confusing to those trying to help when multiple people start posting their data in the same thread.

Section 5 of READ: How To Get Help! explains the data we need to be able to help you. Please provide that system data in the first post of your new thread.

abw101 wrote: ↑

Tue Feb 23, 2021 1:02 am

Here’s the output after a routine update. Please tell me what to do with this as it did say changes have been applied. Hoping It reboots!

Where did you see where changes were applied? I see the same three messages (which I list below) repeated several times which indicates it did not complete.

E: grub-pc: installed grub-pc package post-installation script subprocess returned error exit status 1
E: grub-efi-amd64-signed: dependency problems - leaving unconfigured
...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing package grub-pc (--configure):
 installed grub-pc package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of grub-efi-amd64-signed:
 grub-efi-amd64-signed depends on grub-efi-amd64 | grub-pc; however:
  Package grub-efi-amd64 is not installed.
  Package grub-pc is not configured yet.
...
dpkg: error processing package grub-efi-amd64-signed (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 grub-pc
 grub-efi-amd64-signed

Mint update indicated the changes were applied yesterday. In any case, I did an update today this this message comes up:

E: grub-pc: installed grub-pc package post-installation script subprocess returned error exit status 1
E: grub-efi-amd64-signed: dependency problems — leaving unconfigured

I have no clue. The computer still boots up.

Any help is appreciated.

abw101 wrote: ↑

Wed Feb 24, 2021 2:38 am

E: grub-pc: installed grub-pc package post-installation script subprocess returned error exit status 1
E: grub-efi-amd64-signed: dependency problems — leaving unconfigured

How to Check Dependencies of a Package in Ubuntu/Debian-based Linux Distributions lists some commands you can use to get information about dependencies. Maybe something in the output of that information might help.

Is your system encrypted?

Please give us information about your install by entering this command in a terminal: inxi -Fxxxrz
Click </> from the mini toolbar above the textbox where you type your reply and then place your cursor between the code markers and paste the results of the command between the code markers [code]Results[/code]. This will let us know how Mint sees your hardware.

andrew@andrew:~$ inxi -Fxxxrz
System:    Kernel: 5.4.0-66-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Cinnamon 4.8.6 wm: muffin 4.8.1 
           dm: LightDM 1.30.0 Distro: Linux Mint 20.1 Ulyssa base: Ubuntu 20.04 focal 
Machine:   Type: Desktop System: Dell product: OptiPlex 3070 v: N/A serial: <filter> Chassis: type: 3 serial: <filter> 
           Mobo: Dell model: 05YDCW v: A01 serial: <filter> UEFI: Dell v: 1.0.3 date: 05/30/2019 
Battery:   Device-1: hidpp_battery_0 model: Logitech Wireless Mouse M315/M235 serial: <filter> 
           charge: 55% (should be ignored) rechargeable: yes status: Discharging 
           Device-2: hidpp_battery_1 model: Logitech Wireless Keyboard K360 serial: <filter> 
           charge: 100% (should be ignored) rechargeable: yes status: Discharging 
CPU:       Topology: Dual Core model: Intel Pentium Gold G5420T bits: 64 type: MT MCP arch: Kaby Lake rev: A 
           L2 cache: 4096 KiB 
           flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 25599 
           Speed: 3200 MHz min/max: 800/3200 MHz Core speeds (MHz): 1: 3200 2: 3200 3: 3200 4: 3200 
Graphics:  Device-1: Intel vendor: Dell driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:3e90 
           Display: x11 server: X.Org 1.20.9 driver: modesetting unloaded: fbdev,vesa tty: N/A 
           OpenGL: renderer: Mesa Intel UHD Graphics 610 (CFL GT1) v: 4.6 Mesa 20.2.6 direct render: Yes 
Audio:     Device-1: Intel Cannon Lake PCH cAVS vendor: Dell driver: snd_hda_intel v: kernel bus ID: 00:1f.3 
           chip ID: 8086:a348 
           Device-2: Microsoft LifeCam VX-2000 type: USB driver: snd-usb-audio,uvcvideo bus ID: 1-8:4 
           chip ID: 045e:0761 
           Sound Server: ALSA v: k5.4.0-66-generic 
Network:   Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Dell driver: r8169 v: kernel 
           port: 3000 bus ID: 01:00.0 chip ID: 10ec:8168 
           IF: enp1s0 state: up speed: 1000 Mbps duplex: full mac: <filter> 
Drives:    Local Storage: total: 3.18 TiB used: 670.12 GiB (20.6%) 
           ID-1: /dev/sda vendor: Seagate model: ST500LM034-2GH17A size: 465.76 GiB speed: 6.0 Gb/s rotation: 7200 rpm 
           serial: <filter> rev: SDM2 scheme: GPT 
           ID-2: /dev/sdb vendor: Western Digital model: WDBK3U0010BNC size: 931.51 GiB speed: 6.0 Gb/s 
           serial: <filter> rev: 00RL scheme: MBR 
           ID-3: /dev/sdc type: USB vendor: Western Digital model: WD My Passport 0748 size: 1.82 TiB serial: <filter> 
           rev: 1022 scheme: MBR 
RAID:      Hardware-1: Intel SATA Controller [RAID mode] driver: ahci v: 3.0 port: 4060 bus ID: 00:17.0 
           chip ID: 8086.2822 rev: 10 
Partition: ID-1: / size: 98.01 GiB used: 34.32 GiB (35.0%) fs: ext4 dev: /dev/sdb1 
Sensors:   System Temperatures: cpu: 62.0 C mobo: N/A 
           Fan Speeds (RPM): N/A 
Repos:     No active apt repos in: /etc/apt/sources.list 
           Active apt repos in: /etc/apt/sources.list.d/enpass.list 
           1: deb https://apt.enpass.io/ stable main
           Active apt repos in: /etc/apt/sources.list.d/google-chrome.list 
           1: deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/google-earth-pro.list 
           1: deb [arch=amd64] http://dl.google.com/linux/earth/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/jlbarriere68-noson-app-focal.list 
           1: deb http://ppa.launchpad.net/jlbarriere68/noson-app/ubuntu focal main
           Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 
           1: deb https://mirrors.sonic.net/mint/packages ulyssa main upstream import backport
           2: deb http://archive.ubuntu.mirror.rafal.ca/ubuntu focal main restricted universe multiverse
           3: deb http://archive.ubuntu.mirror.rafal.ca/ubuntu focal-updates main restricted universe multiverse
           4: deb http://archive.ubuntu.mirror.rafal.ca/ubuntu focal-backports main restricted universe multiverse
           5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
           6: deb http://archive.canonical.com/ubuntu/ focal partner
           Active apt repos in: /etc/apt/sources.list.d/skype-stable.list 
           1: deb [arch=amd64] https://repo.skype.com/deb stable main
           Active apt repos in: /etc/apt/sources.list.d/teams.list 
           1: deb [arch=amd64] https://packages.microsoft.com/repos/ms-teams stable main
           Active apt repos in: /etc/apt/sources.list.d/teamviewer.list 
           1: deb https://linux.teamviewer.com/deb stable main
Info:      Processes: 279 Uptime: 29m Memory: 31.18 GiB used: 2.55 GiB (8.2%) Init: systemd v: 245 runlevel: 5 
           Compilers: gcc: 9.3.0 alt: 9 Shell: bash v: 5.0.17 running in: gnome-terminal inxi: 3.0.38

SMG wrote: ↑

Wed Feb 24, 2021 8:15 pm

abw101 wrote: ↑

Wed Feb 24, 2021 2:38 am

E: grub-pc: installed grub-pc package post-installation script subprocess returned error exit status 1
E: grub-efi-amd64-signed: dependency problems — leaving unconfigured

How to Check Dependencies of a Package in Ubuntu/Debian-based Linux Distributions lists some commands you can use to get information about dependencies. Maybe something in the output of that information might help.

Is your system encrypted?

Please give us information about your install by entering this command in a terminal: inxi -Fxxxrz
Click </> from the mini toolbar above the textbox where you type your reply and then place your cursor between the code markers and paste the results of the command between the code markers [code]Results[/code]. This will let us know how Mint sees your hardware.

No I do not believe my system is encrypted. I used this command to check that: sudo dmsetup status result: No device found

I’m not quite sure how the following works, but it may be why you are getting error messages. There seems to be a mismatch in your install and your settings?

Your computer has UEFI which you could think of as a more modern type of BIOS. Technically, UEFI and BIOS are different, but they have the same general functionality in your computer.
Machine:
Type: Desktop System: Dell product: OptiPlex 3070 v: N/A serial: <filter> Chassis: type: 3 serial: <filter>
Mobo: Dell model: 05YDCW v: A01 serial: <filter> UEFI: Dell v: 1.0.3 date: 05/30/2019

When one installs Mint on a computer with UEFI, one usually has a GPT scheme on that partition, but yours is MBR which is usually associated with a Legacy BIOS install or a data-only partition.
Drives:
Local Storage: total: 3.18 TiB used: 670.12 GiB (20.6%)
ID-1: /dev/sda vendor: Seagate model: ST500LM034-2GH17A size: 465.76 GiB speed: 6.0 Gb/s rotation: 7200 rpm
serial: <filter> rev: SDM2 scheme: GPT
ID-2: /dev/sdb vendor: Western Digital model: WDBK3U0010BNC size: 931.51 GiB speed: 6.0 Gb/s
serial: <filter> rev: 00RL scheme: MBR
ID-3: /dev/sdc type: USB vendor: Western Digital model: WD My Passport 0748 size: 1.82 TiB serial: <filter>
rev: 1022 scheme: MBR

Partition: ID-1: / size: 98.01 GiB used: 34.32 GiB (35.0%) fs: ext4 dev: /dev/sdb1

Someone with more knowledge than me on partition schemes will have to comment on whether this might be related to the issue or what impact (if any) it might have on your install.

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