Dell PowerEdge R630 machine check error when booting Proxmox 9

Actually encountered this problem a while ago, but forgot to write it up at the time

We have a Dell PowerEdge R630 that is running Proxmox 9. On update from kernel 6.14 to 6.17 the system started boot looping - the system would start to boot, and then early on when the kernel was booting it would stop and reset the machine. The iDRAC event logs showed that there were “Machine Check errors” occurring. Booting with the previous 6.14 kernel worked as normal.

nano/ssh session freezes on some pastes into Windows terminal

Scenario - ssh into a linux system from Windows using windows terminal/powershell, edit a file in nano and try and paste something.

Sometimes the terminal then freezes, and rings the bell on every keystroke or paste attempt. You can free it up by killing nano from another login session.

The problem is described in this thread:

This problem has been fixed in the latest versions of nano, but it will take a while to get into the distributions. The workaround in the meantime is to use something like PuTTY.

Debian minimal install with ssh dbus error on shutdown or reboot

Scenario: Debian installed with nothing selected in the tasksel stage (not even the standard system utilities) - i.e. the most minimal install you can get with the standard installer. Once installed you then install the ssh server

apt install ssh

This pulls in a bunch of dependencies, including dbus. You then can ssh into the system as normal. When trying to shutdown or reboot the system you get an error: