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SubjectRe: xine pauses with recent (not -ac) kernels
On Sat, Oct 13, 2001 at 12:08:56AM +0200, Duncan Sands wrote:
> On Friday 12 October 2001 4:10 pm, Andrea Arcangeli wrote:
> > On Fri, Oct 12, 2001 at 08:55:28AM +0200, Duncan Sands wrote:
> > > Subject: xine pauses with recent (not -ac) kernels
> > >
> > > Problem: using xine to view an (encrypted) DVD, xine is slow to move
> > > on to the second .vob file: at the end of the first file, it at best
> > > waits a few seconds with a black screen and consuming no CPU, before
> > > moving on to the second file, but sometimes it waits for a long time.
> > >
> > > Correct behaviour: the second .vob file starts playing at once.
> > >
> > > I think this is a kernel problem because it did not occur up to
> > > 2.4.9. The problem appeared between 2.4.10-pre10 and 2.4.10-pre13.
> > > It is present in 2.4.12. It doesn't seem to occur in any -ac kernels.
> > >
> > > linux-2.4.9 : correct
> > > ...
> > > linux-2.4.10-pre10 : correct
> > > linux-2.4.10-pre11 : fails to compile
> > > linux-2.4.10-pre12 : oops during system init
> > > linux-2.4.10-pre13 : problem present
> > > ...
> > > linux-2.4.12 : problem present
> > >
> > > If I replay the DVD several times, the length of the pause varies, and
> > > sometimes it does not occur at all.
> > >
> > > Any ideas?
> >
> > can you reproduce also on 2.4.12aa1?
> >
> > ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.12
> >aa1.bz2
> >
> > Andrea
>
> Yes, it seems to have the same problem. It even seems a bit worse
> (just my impression, I didn't do any statistics).

can you send me a `vmstat 1` during the skips?

are you swapping or making use of applications that uses MAP_SHARED?

Andrea
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