Comment 54 for bug 1797581

Just reproduced it on my env (where things used to work) after updating from MAAS 2.5.0~rc2 to 2.5.2.

https://paste.ubuntu.com/p/CY834ZGnvS/
[ 15.458594] VFS: Cannot open root device "squash:http://10.10.101.2:5248/images/ubuntu/amd64/generic/bion" or unknown-block(0,0): error -6

tree /var/lib/maas/boot-resources/
/var/lib/maas/boot-resources/
# ...

├── current -> snapshot-20190419-115735
└── snapshot-20190419-115735

Which binaries do I need to have uploaded?

sha256sum /var/lib/maas/boot-resources/snapshot-20190419-115735/ubuntu/amd64/ga-18.04/bionic/daily/*
69ca457a119fe309d315972ca2756a17bd9bc55bc98f2bea5542566a7f41b08f /var/lib/maas/boot-resources/snapshot-20190419-115735/ubuntu/amd64/ga-18.04/bionic/daily/boot-initrd
166853ad9342fdf5be17988e5e18cbf0458ab0da94f18f5e331b3581e3610b97 /var/lib/maas/boot-resources/snapshot-20190419-115735/ubuntu/amd64/ga-18.04/bionic/daily/boot-kernel
1e7841d7fca13ef27c2742cfc2c3a2d59491a74c268b705a02eb4ee8f673d150 /var/lib/maas/boot-resources/snapshot-20190419-115735/ubuntu/amd64/ga-18.04/bionic/daily/squashfs

ii seabios 1.10.2-1ubuntu1 all Legacy BIOS implementation
ii ipxe-qemu 1.0.0+git-20180124.fbe8c52d-0ubuntu2.2 all PXE boot firmware - ROM images for qemu
ii qemu-kvm 1:2.11+dfsg-1ubuntu7.12 amd64 QEMU Full virtualization on x86 hardware
ii libvirt0:amd64 4.0.0-1ubuntu8.8 amd64 library for interfacing with different virtualization systems