sudo dpkg --configure -a
Setting up linux-image-5.4.0-33-generic (5.4.0-33.37) ...
Setting up linux-image-5.4.0-29-generic (5.4.0-29.33) ...
Processing triggers for linux-image-5.4.0-33-generic (5.4.0-33.37) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.4.0-33-generic
/etc/kernel/postinst.d/zz-update-grub:
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.4.0-33-generic
Found initrd image: /boot/initrd.img-5.4.0-33-generic
Found linux image: /boot/vmlinuz-5.4.0-29-generic
Found initrd image: /boot/initrd.img-5.4.0-29-generic
Found linux image: /boot/vmlinuz-5.4.0-28-generic
Found initrd image: /boot/initrd.img-5.4.0-28-generic
Found MX 19.1 patito feo (19.1) on /dev/sda18
Found void on /dev/sda19
Found Ubuntu 18.04.4 LTS (18.04) on /dev/sda4
Found Gentoo/Linux on /dev/sda8
Adding boot menu entry for UEFI Firmware Settings
error: out of memory.
error: syntax error.
error: Incorrect command.
error: syntax error.
Syntax error at line 566
Syntax errors are detected in generated GRUB config file.
Ensure that there are no errors in /etc/default/grub
and /etc/grub.d/* files or please file a bug report with
/boot/grub/grub.cfg.new file attached.
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
dpkg: error processing package linux-image-5.4.0-33-generic (--configure):
 installed linux-image-5.4.0-33-generic package post-installation script subprocess returned error exit status 1
Processing triggers for linux-image-5.4.0-29-generic (5.4.0-29.33) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.4.0-29-generic
/etc/kernel/postinst.d/zz-update-grub:
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.4.0-33-generic
Found initrd image: /boot/initrd.img-5.4.0-33-generic
Found linux image: /boot/vmlinuz-5.4.0-29-generic
Found initrd image: /boot/initrd.img-5.4.0-29-generic
Found linux image: /boot/vmlinuz-5.4.0-28-generic
Found initrd image: /boot/initrd.img-5.4.0-28-generic
Found MX 19.1 patito feo (19.1) on /dev/sda18
Found void on /dev/sda19
Found Ubuntu 18.04.4 LTS (18.04) on /dev/sda4
Found Gentoo/Linux on /dev/sda8
Adding boot menu entry for UEFI Firmware Settings
error: out of memory.
error: syntax error.
error: Incorrect command.
error: syntax error.
Syntax error at line 566
Syntax errors are detected in generated GRUB config file.
Ensure that there are no errors in /etc/default/grub
and /etc/grub.d/* files or please file a bug report with
/boot/grub/grub.cfg.new file attached.
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
dpkg: error processing package linux-image-5.4.0-29-generic (--configure):
 installed linux-image-5.4.0-29-generic package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 linux-image-5.4.0-33-generic
 linux-image-5.4.0-29-generic