- The kernel expects hexadecimal channel numbers in lower case. Trying uppercase digits is futile.
- To get a getty in the HMC's Operating System Messages window of an LPAR, just uncomment the dumb console entry in /etc/inittab.
- For the integrated ASCII console to work on LPAR, you need to put up a getty onto ttysclp0. You can reuse the same parameters as for ttyS0 (the device that just works with z/VM). Unlike the 3270 interface of z/VM the integrated ASCII console is actually pretty nice and usable. You can even run vim in it without getting completely crazy.
Sunday, August 7, 2011
Debian s390: channel numbers and consoles
Three things I learned about Debian s390 today: