On 2021-12-27, Rainer Dorsch wrote: > I upgraded a cubox-i from buster to bullseye. The upgrade went through without > any issues. But after the upgrade the system does not boot anymore. The output > of the serial console is below. The boot process hangs at > > [ 3.816424] Waiting for root device /dev/mmcblk1p2... > > Did the device enumeration change? Very likely; it is not promised to remain constant even between boots with the same kernel, unfortunately! You really want to use root=UUID=abcde-12345... or partition labels, or anything that isn't going to have surprise changes... > How would I find out the new device name and how would I change the boot > parameters (which apparently specifies /dev/mmcblk1p2 according to the output > below)? If you can insert the microSD into another Debian machine, you can get the UUID by looking in /dev/disk/by-uuid/ to find the matching device or: lsblk --fs /dev/DEVICE It might be possible to discover from u-boot as well, but I forget off the top of my head. Once you have the UUID, try passing root=UUID=$uuid in bootparams instead of root=/dev/mmcblk... live well, vagrant
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