Red Hat Bugzilla – Bug 8259
Ctrl-S on console prevents shutdown
Last modified: 2014-03-16 22:11:59 EDT
Hitting Ctrl-S on the console prevents a command-line shutdown (ie
/sbin/shutdown -h now)
The wall appears, but the shutdown itself blocks until Ctrl-Q is typed on
the console. The shutdown then proceeds normally.
AFAIK, this the behavior that's supposed to happen from the kernel.