Re: Virtual Console hungs.

Pawel S. Veselov (
Mon, 19 May 1997 22:38:17 +0400 (MSD)

Hello, Simon!

On Sat, 17 May 1997, Simon Josefsson wrote:

>Since the Virtual Console code changed, the VCs stop responding if
>there is a lot of output to one of them.
>Simple test, run
>main() { for (;;) printf("Hello moon!\r"); }
>in one VC and try to use the other ones -- they are extremely slow or
>doesn't respond at all.
>No problem running something like this in 2.0.30 or the earlier 2.1.x
>I'm not much for fancy graphics so I do all my work in the VCs but
>this slowdown is starting to get to me. Even compiling the kernel,
>which results in some scrolling slows down the other VCs.

I had the same problem, and seems, that solution is to comment out SMP=1 in
Makefile. Now everything is ok. Writing this letter I am running your
exapmle in 6 VCs paralelly and no slowdowns.

>P133, 80x50, 2.1.36.

P90, 80x50, 2.1.36.


"There was a boy called Eustace Clarence Scrubb, and he almost deserved
		-- C. S. Lewis, The Chronicles of Narnia

    With best of best regards, Pawel S. Veselov (aka Black Angel)
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