Messages in this thread |  | | Date | Sat, 13 Oct 2001 00:15:53 +0200 | From | Andrea Arcangeli <> | Subject | Re: xine pauses with recent (not -ac) kernels |
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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?
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