[pulseaudio-discuss] Couple problems when using 0.9.11 and fixes

Lennart Poettering lennart at poettering.net
Mon Sep 8 14:17:56 PDT 2008

On Thu, 04.09.08 20:07, Lennart Poettering (lennart at poettering.net) wrote:

> On Thu, 04.09.08 14:56, Jyri Sarha (lepbtetfmvbz at spammotel.com) wrote:
> > Hi,
> > 	I found couple of problems when upgrading to pulseaduio 0.9.11. The 
> > both are related to a case when tsched turned off on alsa-sink. First, 
> > problem appears when trying the select a specific number fragment with
> > module-alsa-sink parameters, for instance this:
> > 
> > load-module module-alsa-sink device=hw:0 rate=44100 fragment_size=882 fragments=2 tsched=0
> > 
> > The above produces three fragments of 588 bytes each. The actual bug
> > appears to be in alsa-lib, but it can be by-passed without breaking
> > things when alsa-lib gets fixed. To do that apply
> > fix_incremented_number_of_fragments.patch.
> Patch looks good to me. But please, when you add a work-around for
> some bug in libraries we use, document that with a small comment, so
> that we know that we can remove this when their upstream fixed the
> issue.
> Have you already contacted the ALSA people?

A quick update:

I have stumbled over this issue now too. I now fixed it, with the
comment I requested and also notified the ALSA people.


Lennart Poettering                        Red Hat, Inc.
lennart [at] poettering [dot] net         ICQ# 11060553
http://0pointer.net/lennart/           GnuPG 0x1A015CC4

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