[SRU][Impish] Failed to upgrade linux-firmware on rpi3a+

[Gavin Lin]

[Description]
Failed to upgrade linux-firmware on rpi3a+

[Steps to reproduce]
1. Flash following image on rpi3a+:
   https://cdimage.ubuntu.com/releases/21.10/release/ubuntu-21.10-preinstalled-server-arm64+raspi.img.xz
2. Boot into system
3. sudo apt update
4. sudo apt install linux-firmware

[Actual result]
Error when upgrading kernel, and unable to boot rpi3+ after apt dist-upgrade

[Expected result]
System can boot up and kernel is upgraded to correct version

[Additional information]
Image: ubuntu-21.10-preinstalled-server-arm64+raspi.img.xz
Hardware: rpi3a+
Kernel Version: 5.13.0-1008-raspi

[Gavin Lin (gavin.lin)]

ubuntu@ubuntu:~$ sudo apt install linux-firmware
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages will be upgraded:
  linux-firmware
1 upgraded, 0 newly installed, 0 to remove and 87 not upgraded.
Need to get 199 MB of archives.
After this operation, 1,594 kB of additional disk space will be used.
Get:1 http://ports.ubuntu.com/ubuntu-ports impish-updates/main arm64 linux-firmware all 1.201.4 [199 MB]
Fetched 199 MB in 4min 56s (671 kB/s)
(Reading database ... 82311 files and directories currently installed.)
Preparing to unpack .../linux-firmware_1.201.4_all.deb ...
Unpacking linux-firmware (1.201.4) over (1.201) ...
Setting up linux-firmware (1.201.4) ...
update-initramfs: Generating /boot/initrd.img-5.13.0-1008-raspi
Killed
E: mkinitramfs failure zstd -q -19 -T0 137
update-initramfs: failed for /boot/initrd.img-5.13.0-1008-raspi with 1.
dpkg: error processing package linux-firmware (--configure):
 installed linux-firmware package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 linux-firmware
needrestart is being skipped since dpkg has failed
E: Sub-process /usr/bin/dpkg returned an error code (1)

[Juerg Haefliger (juergh)]

update-initramfs: Generating /boot/initrd.img-5.13.0-1008-raspi
Killed
E: mkinitramfs failure zstd -q -19 -T0 137
update-initramfs: failed for /boot/initrd.img-5.13.0-1008-raspi with 1.

[Juerg Haefliger (juergh)]

Running out of memory because of initrd zstd compression. Not a kernel problem.