This is only relevant for people running Debian on the HP mv2120. Mike Thompson reported that Debian stretch (the upcoming Debian 9) doesn't boot on the HP mv2120 anymore. I don't know how many Debian users are left who run Debian on their mv2120. I gave away my device several years ago. Recently I bought an mv2120 from eBay in order to debug this issue.
While I found a solution, it requires users to change a setting on their device. Please make sure to make this change, otherwise your device will no longer boot when you upgrade to Debian 9. The new settings are compatible with Debian 8 (jessie) and Debian 9 (stretch), so I suggest you make the changes now. If you have serial console access to the mv2120, you can run some commands in u-boot. Simply interrupt the boot process by pressing a key and type the following: setenv loadAddr 0x0600000 setenv bootcmd 'bootext2 0,1:1,2 0x0600000 /boot/uImage /dev/sda /dev/sdb' saveenv If you don't have a serial console, you can make the changes from within Debian. Run the following commands: cat >/etc/fw_env.config <<EOF /dev/mtd0 0x00000 0x1000 0x20000 EOF fw_setenv loadAddr 0x0600000 fw_setenv bootcmd "bootext2 0,1:1,2 0x0600000 /boot/uImage /dev/sda /dev/sdb" This creates a config file so the u-boot environment can be modified and uses fw_setenv to update two boot variables. Once you made the changes, upgrades to Debian 9 should work fine and you can also use the Debian installer if you want to perform a new installation. Please note that Debian 9 will be the last release to support the HP mv2120. -- Martin Michlmayr http://www.cyrius.com/