Re: 'error: period size 48 is not supported', snd-hda-intel, si3054

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Marvin

Though I have the same problem as Maxim and the same /proc/asound/pcm, my 
modem is actually not the same (different /proc/asound/card0/codec#1 - I've 
attached my ModemData.txt). The modem is listed as supported but also 
with "patch needed", which might be my problem, but what exactly I need to 
pach and where to get those patches is not mentioned. 

Firas

P.S. : By the way, I'm still running Gentoo, which scanModem failed to detect 
since it apparently just read from /etc/issue.

On Sunday 22 April 2007 00:06:37 Marvin Stodolsky wrote:
>  The HDA card softmodem chip is 0x11c11040 is a new softmodem chip and
> really NOT within the supported Si3054 family
> It is Not a snd-hda-intel driver issue per se.
> Rather AgereSystems/now LSI Inc. is working towards support, but
> without any firm date.
> Read InfoGeneral.txt about alternatives.
>
> MarvS
> scanModem maintainer
>
> On 4/21/07, Firas Kraiem <fkraiem@xxxxxxx> wrote:
> > Maxim
> >
> > Same problem here with the same modem on an Asus A6JM laptop. I guess we
> > just need to wait for support in snd-hda-intel to be mature enough?
> >
> > Firas
> >
> > On Saturday 21 April 2007 21:50:30 Maxim Kuleshov wrote:
> > > Hello!
> > >
> > > I'm running freshly installed Ubuntu 7.04 (fiesty fawn) on Toshiba
> > > L30-134 laptop.
> > > Trying to get internal modem working... without success yet.
> > >
> > > According to 'scanmodem' results my laptop's modem is one of
> > > HDA-soundcard built-in modems.
> > >
> > > So, I installed slmodemd, set SLMODEMD_DEVICE to hw:0,6 (other values
> > > were tested, but errors on earlier stages of slmodemd execution occurs)
> > > and started sl-modem-daemon .
> > >
> > > Now I see /dev/ttySL0 device and it is usable via "minicom".
> > > But wvdial failed to establish connection.
> > >
> > > ...
> > > --> Modem initialized.
> > > --> Sending: ATDPXXX
> > > --> Waiting for carrier.
> > > ATDPXXX
> > > NO CARRIER
> > > ERROR
> > > ...
> > >
> > > If I run slmodemd manually from terminal following error is viewable:
> > > error: period size 48 is not supported by playback (64).
> > >
> > > And here I get stuck - googling for such error message gives no
> > > results.
> >
> > --
> > ()  ascii ribbon campaign - against html e-mail
> > /\  www.asciiribbon.org   - against proprietary attachments



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 So in a day, also check the Archived responses at http://www.linmodems.org .
 Local Linux experts can be found through: http://www.linux.org/groups/index.html
--------------------------  System information ----------------------------
CPU=i686,  
Welcome to 
Linux version 2.6.21-rc7-ana-gentoo (root@ana) (gcc version 4.1.1 (Gentoo 4.1.1-r3)) #3 SMP Tue Apr 17 06:52:07 CEST 2007
 scanModem update of:  2007_March_15


USB modem not detected by lsusb

Modem or host audio card candidates have firmware information:

 PCI slot	PCI ID		SubsystemID	Name
 ----------	---------	---------	--------------
 00:1b.0	8086:27d8	1043:1123	Audio device: Intel Corporation 82801G 

 Modem interrupt assignment and sharing: 
 20:    1084149          0   IO-APIC-fasteoi   HDA Intel

 --- Bootup diagnositcs for card in PCI slot 00:1b.0 ----
ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 21 (level, low) -> IRQ 20
PCI: Setting latency timer of device 0000:00:1b.0 to 64

 === Finished modem firmware and bootup diagnostics section. ===
 === Next deducing cogent software ===

ALSAversion 1.0.14rc1
8086:27d8 is a High Definition Audio card, possibly hosting a soft modem.

 For candidate modem in PCI bus:  00:1b.0
   Class 0403: 8086:27d8 Audio device: Intel Corporation 82801G
      Primary PCI_id  8086:27d8
    Subsystem PCI_id  1043:1123 
    Softmodem codec or Vendor from diagnostics: Si3054
                              from    Archives: 
                        

 Lacking a dsp (digital signal processing) chip, the modem is a software 
 intensive or "softmodem" type. Its primary controller manages the traffic 
 with the CPU. But the software needed is specified in the Subsystem.
 -----------------------------------------
Support type needed or chipset:	slmodemd

 An ALSA (Advanced Linux Sound Architecture) modem driver:  snd-hda-intel
 provides Low Level support enabling contact with the modem hardware.
 For all BUT Conexant chip soft modems (using hsfmodem software)
 complementary High Level support is through a Smartlink utility:  slmodemd

 Download from http://linmodems.technion.ac.il/packages/smartlink/ 
 the package SLMODEMD.gcc4.1.tar.gz having a compiled slmodemd. Unpack under Linux with:
 	$ tar zxf SLMODEMD.gcc4.1.tar.gz
 and read instructions therein. But briefly, the modem is setup with command:
 	 slmodemd -c YOUR_COUNTRY --alsa hw:0,6 
 reporting dynamic creation of ports:
	/dev/ttySL0 --> /dev/pts/N   , with N some number
 Read Smartlink.txt and Modem/YourSystem.txt for follow through guidance.

 Already loaded into the kernel is snd-hda-intel and audio drivers it depends on,
 displayed by:	lsmod | grep snd_hda_intel
Module                  Size  Used by
-------------------------------------
snd_hda_intel          20312  0 
snd_hda_codec         198208  1 snd_hda_intel
snd_pcm                71812  2 snd_hda_intel,snd_hda_codec
snd                    48548  4 snd_hda_intel,snd_hda_codec,snd_pcm,snd_timer
snd_page_alloc          9992  2 snd_hda_intel,snd_pcm


The diagnostic outputs for this softmodem section have their raw information in
folders and text files under /proc/asound/ which you can browse. The information
is from files:
	/proc/asound/pcm
-------------------------------
00-06: Si3054 Modem : Si3054 Modem : playback 1 : capture 1
00-02: ALC880 Analog : ALC880 Analog : capture 2
00-01: ALC880 Digital : ALC880 Digital : playback 1
00-00: ALC880 Analog : ALC880 Analog : playback 1 : capture 2

	/proc/asound/modules
-------------------------------
 0 snd_hda_intel
	/proc/asound/card0/codec#1
-------------------------------
Codec: Motorola Si3054
Address: 1
Vendor Id: 0x10573055
Subsystem Id: 0x104310c6
Revision Id: 0x100700
-------------------------------
Current support status of HDA cards is:
  Vendor IDs  Chip maker     Support type 
  ----------  ----------    -------------
  0x14f12bfa  Conexant      hsfmodem , not slmodemd compatible
  0x11c13026  AgereSystems  snd-hda-intel, slmodemd supported
  0x11c11040  AgereSystems      "             "    , patch needed
  0x11c13055  AgereSystems      "             "    ,      "
  0x163c3055  Smartlink         "             "    ,      "
  0x163c3155    "               "             "    ,      "
  0x10573055  Motorola          "             "    ,      "
  0x10573155     "              "             "    ,      ""
as of October 2006.

and from the command:
	aplay -l | grep -i modem
card 0: Intel [HDA Intel], device 6: Si3054 Modem [Si3054 Modem]

----------------end Softmodem section --------------

Writing Intel.txt
Writing Smartlink.txt
============ end Smartlink section =====================

 Completed candidate modem analyses.

 The base of the UDEV device file system is: /dev/.udev

 Versions adequately match for the compiler installed: 4.1.1
             and the compiler used in kernel assembly: 4.1.1

 Kernel-header resources needed for compiling are not manifestly ready!

 If compiling is necessary packages must be installed, providing:
	 kernel-source-2.6.21-rc7-ana-gentoo


Checking pppd properties:
	-r-s--x--x 1 root root 249296 Apr  3 05:30 /usr/sbin/pppd

In case of an "error 17" "serial loopback" problem, see:
    http://phep2.technion.ac.il/linmodems/archive-sixth/msg02637.html

To enable dialout without Root permission do:
	$ su - root  (not for Ubuntu)
         chmod a+x /usr/sbin/pppd
or under Ubuntu related Linuxes
	 chmod a+x /usr/sbin/pppd

Checking settings of:	/etc/ppp/options
lock

In case of a message like:
   Warning: Could not modify /etc/ppp/pap-secrets: Permission denied
see http://linmodems.technion.ac.il/bigarch/archive-sixth/msg04656.html

Read Modem/YourSystem.txt concerning other COMM channels: eth0 eth1 vmnet1 vmnet8
Which can interfere with Browser naviagation.

 Don't worry about the following, it is for the experts
 should trouble shooting be necessary.
==========================================================

KERNEL=="slamr", NAME="slamr0" GROUP="dialout"
 Checking for modem support lines:
 --------------------------------------
     /device/modem symbolic link:   
slmodemd created symbolic link /dev/ttySL0:  
     Within /etc/udev/ files:

     Within /etc/modprobe.conf files:

     Within any ancient /etc/devfs files:

     Within ancient kernel 2.4.n /etc/module.conf files:
/etc/modules.conf:### modules-update: start processing /etc/modules.d/slmodem
/etc/modules.conf:# slmodem 2.9.x kernel modules' configuration file
/etc/modules.conf:### modules-update: end processing /etc/modules.d/slmodem
/etc/modules.d/slmodem:# slmodem 2.9.x kernel modules' configuration file
--------- end modem support lines --------

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