error: period size 48 is not supported by playback (64)

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Per below, this outstanding problem is still to be fixed at ALSA

MarvS

---------- Forwarded message ----------
From: bugtrack@xxxxxxxxxxxxxxxx <bugtrack@xxxxxxxxxxxxxxxx>
Date: Jun 15, 2007 10:59 AM
Subject: [ALSA - driver 0003130]: slmodem don't work anymore
To: marvin.stodolsky@xxxxxxxxx



A NOTE has been added to this issue.
======================================================================
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3130
======================================================================
Reported By:                contadino
Assigned To:
======================================================================
Project:                    ALSA - driver
Issue ID:                   3130
Category:                   GENERIC - dummy
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     new
Distribution:               kubuntu
Kernel Version:             2.6.20-15-generic

======================================================================
Date Submitted:             05-30-2007 09:34 CEST
Last Modified:              06-15-2007 16:59 CEST
======================================================================
Summary:                    slmodem don't work anymore
Description:
error with dial attempts (internal modem with slmodem, one for every
dialing attempt) while wvdial ( same .conf with carrier check = off)
gives  "no carrier" messages very  fastly:
error: period size 48 is not supported by playback (64)
error: period size 48 is not supported by playback (64)
error: period size 48 is not supported by playback (64)

It was working well with 1.0.11 on edgy eft
======================================================================

----------------------------------------------------------------------
stodolsk - 06-02-07 13:46
----------------------------------------------------------------------
The hardware is High Definition Audio card  Intel Corporation 82801G
with PCI ID  8086:27d8
and Subsytem 1179:0001  having softmodem chip 0x11c13026

  /proc/asound/pcm has
-------------------------------
00-06: Si3054 Modem : Si3054 Modem : playback 1 : capture 1
00-02: ALC262 Analog : ALC262 Analog : capture 2
00-00: ALC262 Analog : ALC262 Analog : playback 1 : capture 2

and the modem formerly functioned with activation command:
$ sudo slmodemd -c USA --alsa hw:0,6
Under KUbuntu Edgy with ALSA release 1.0.11 and kernel 2.6.17-11-generic
Replacements of snd-hda-intel + dependent drivers with those of versions
1.0.12 and 1.0.14rc2 did not alleviate the problem with ALSA 1.0.13
with failure response:

error: mixer setup: attach hw:0 error: No such device
ALSA lib pcm_hw.c:1351:(_snd_pcm_hw_open) Invalid value for card
error: alsa setup: cannot open playback device 'hw:0,6': No such device
error: cannot setup device `hw:0,6'

At attempted use of wvdial then returns the
error: period size 48 is not supported by playback (64)

However reintstallation of a kernel+modules package of version
2.6.17-11-generic
did restore modem function

This same error has been reported to DISCUSS@xxxxxxxxxxxxx by a few
others.

This note added by scanModem maintainer  Marvin.Stodolsky@xxxxxxxxx

----------------------------------------------------------------------
tiwai - 06-14-07 14:26
----------------------------------------------------------------------
Try 1.0.14.

----------------------------------------------------------------------
contadino - 06-15-07 16:59
----------------------------------------------------------------------
Compiled 1.0.14 with no change, same problem.

Issue History
Date Modified   Username       Field                    Change
======================================================================
05-30-07 09:34  contadino      New Issue
05-30-07 09:34  contadino      Distribution              => kubuntu
05-30-07 09:34  contadino      Kernel Version            => 2.6.20-15-generic

06-02-07 13:46  stodolsk       Note Added: 0015728
06-09-07 20:20  contadino      Issue Monitored: contadino
06-14-07 14:26  tiwai          Note Added: 0015788
06-15-07 16:59  contadino      Note Added: 0015795
======================================================================

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