Re: [User-mode-linux-user] test which causes stack overflow onto current_task page on my machines

[Jeff D. <jd...@ka...>]

wst...@po... said:
> On Mon, 30 Oct 2000, Rob Farber wrote:
> 	FYI: I have never been able to use a 2.4 kernel as the host kernel.
>
> Interesting.  Could you give a little more detail on what problems
> you get when you try to use a 2.4.x host kernel?

Yeah.  What he said.

I know of two problems with 2.4.0-testx kernels, both of which are fixed as of 
my current CVS.  One which is not my problem at all is the test8 ptrace "fix". 
 That totally broke UML.  test8 can't run UML without backing out that change. 
 Linux backed it out in test9, so it's no longer a problem.

The other is the increased signal frame size over 2.2.  It's about 500 bytes 
bigger, and it's not hard to get three or four of them on the stack.  When 
that happens, and half of a 4K page is occupied by signal frames, it's a 
little hard to fit everything else onto the remaining half page.

So, if you're seeing something else, you need to provide some details.

				Jeff