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SubjectRe: I/O problems in 2.4.19/2.4.20/2.4.21-rc3
Date
On Friday 23 May 2003 15:46, Christian Klose wrote:

Hi Christian,

> > I have a problem since Linux Kernel 2.4.19. Copying huge amount of data
> > gives me pauses where pauses are disk io pauses, keyboard does not accept
> > input and mouse won't move. This depends, sometimes those pauses are 1 to
> > 2 seconds, sometimes even more up to 15 seconds where I can not do
> > anything with my linux but waiting :-(
> I forgot to mention that this is filesystem independant. ext2, ext3,
> reiserfs; always same problem.
You've mentioned that you also tried 2.5 and you don't see any difference
there. I am very interrested to hear what version of 2.5 you tried.

I am using 2.5.69 + some patches and it does not suck or behave brain dead
like 2.4 does. For me I've quit with 2.4 from now on.

2.5 still has many things to do / to fix but 2.5 is _active_ developed and
fixes _are_ going into 2.5 where 2.4 does not accept real bug fixes.

If you want to give 2.5.69 a try, please apply the attached patch if you want
to use it for your desktop. It gives you more interactivity.

ciao, Marc--- old/kernel/sched.c 2003-05-24 14:45:57.000000000 +0200
+++ 2.5-mcp/kernel/sched.c 2003-05-24 16:18:42.000000000 +0200
@@ -65,7 +65,7 @@
* they expire.
*/
#define MIN_TIMESLICE ( 10 * HZ / 1000)
-#define MAX_TIMESLICE (200 * HZ / 1000)
+#define MAX_TIMESLICE ( 10 * HZ / 1000)
#define CHILD_PENALTY 50
#define PARENT_PENALTY 100
#define EXIT_WEIGHT 3
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