Re: Linux 2.4.19-pre5

Andrea Arcangeli
2002-04-16T14:49:22Z

On Fri, Apr 05, 2002 at 01:13:30PM +0900, Tom Holroyd wrote:
> On Thu, 4 Apr 2002, Marcelo Tosatti wrote:
>
> > Could you please try to reproduce with 2.4.19-pre4 ?
>
> OK, I could, so I searched back and -pre1 was OK. This behavior
> showed up in -pre2. It seems to be related to the mm changes.
> Unfortunately I don't know how to back those out safely to check that.
>
> To repeat, I set up a window that has to be redrawn (no backing
> store), then use ee (electric eyes) to scroll through 50 or so JPGs
> then go back to redraw the aforementioned window. In -pre2 I get 5
> sec freezes and no disk IO during the interval, so it seems like a
> memory management thing.
>
> Any tests I could do? A -pre2 patch without the mm changes?

there are no mm diffs between pre1 and pre2. The first mm changes are in
pre5.

Andrea