Hi.
I managed fullowing situation: user with no ulimits will run script like
this:
#! /usr/bin/perl
while (1)
{
fork();
};
on say tty2. The processes get created pretty fast. After a short while
I supposed a single solution to this to kill all session by alt+sysrq+k,
but nothing happened. Under normal averagely loaded situation, this will
imidiately kill all processes on current vt and bring getty prompt.
Shouldn't it function similiarily in former case ? I see all processes on vt
get SIGKILL, so what's hapenned ? Maybe I had to wait
a bit longer for kernel to accomplish that ? Killing all processes with init
(alt+sysrq+i) seems to be immediate.
Thought, i really love all sysrq properties of linux, so i need less often
to make hardware resets an then await and fear, what fsck will print.
One more property, that i'd like to have should be request key to force the
most basic text mode (say 80x25) on the console, when eg. X freezes and
i kill its session, then last gfx mode resides on the screen and see no way
to restore back the text mode - /usr/bin/reset or something alike will not
do it. But it seems to be not a good idea at all, does it ?
Cheers B.
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