| Never judge a boot by the screen |
law |
generic |
proven |
| Moving a device between states without losing an hour |
technique |
generic |
proven |
| Playbook: first boot |
technique |
generic |
proven |
| Playbook: storage, USB and ssh |
technique |
generic |
proven |
| Every Nth boot lands in the bootloader” is a retry countdown, not a glitch |
trap |
generic |
proven |
| androidboot.bootreason says watchdog on every boot of taimen, including clean ones – it is not a reset-reason oracle |
trap |
device:google-taimen |
proven |
busybox reboot bootloader silently discards the word “bootloader |
trap |
generic |
proven |
| The dtbo must match the kernel, and the bootloader reads it from the active slot |
trap |
generic |
proven |
| Packaged DTBO has a correct payload but a different digest |
trap |
device:google-taimen |
proven |
On Pixel 7 and later, fastboot boot ignores the ramdisk — there is no RAM-boot safety net |
trap |
soc:gs201 |
probable |
| A device stopped in the initramfs looks exactly like a frozen one, and is nothing like it |
trap |
generic |
proven |
| After any boot test, prove which kernel answered |
trap |
generic |
proven |
| The boot header hash does not cover the cmdline — which makes it the cheapest liveness test |
technique |
generic |
proven |
| lsusb can label a running pmOS USB gadget as “fastboot |
trap |
generic |
proven |
| Wait long enough before calling a boot failed |
trap |
generic |
proven |
