Linux Modem

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In The Name of God

Pooria, Ahvaz - Iran


 Only plain text email is forwarded by the  Discuss@xxxxxxxxxxxxx List Server,
 as HTML can contain viruses. Use as the email Subject Line:
           YourName, YourCountry  kernel 2.6.22-14-generic
 With this Subject Line cogent experts will be alerted, and useful
case names left in the Archive.
 YourCountry will enable Country specific guidance. Your contry's
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 can be found through: http://www.linux.org/groups/index.html
 Responses from Discuss@xxxxxxxxxxxxx are sometimes blocked by an
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 So in a day, also check the Archived responses at http://www.linmodems.org
--------------------------  System information ----------------------------
CPU=i686,
Linux version 2.6.22-14-generic (buildd@palmer) (gcc version 4.1.3
20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)) #1 SMP Sun Oct 14
23:05:12 GMT 2007
 scanModem update of:  20071114


 There are no blacklisted modem drivers in /etc/modprobe*  files
USB modem not detected by lsusb

For candidate card, firmware information and bootup diagnostics are:

 PCI slot	PCI ID		SubsystemID	Name
 ----------	---------	---------	--------------
 00:08.0	10b9:5457	103c:002a	Modem: ALi Corporation M5457 AC'97 Modem Controller

 Modem interrupt assignment and sharing:
 10:          0    XT-PIC-XT        ohci_hcd:usb1, eth0


The Advanced Linux Sound Architecture (ALSA) packages providing audio support,
also includes drivers for some modems. The ALSA diagnostics are written during
bootup to /proc/asound/ folders.


 A modem was not detected though HDA card diagnostics.  But a possible
Conexant modem chip
 impervious to ALSA diagnostics is not excluded.


Deductions above are from information in

/proc/asound/cards:
 0 [A5451          ]: ALI5451 - ALI 5451
                      ALI 5451 at 0x1000, irq 5

/proc/asound/pcm:
00-00: ALI 5451 : ALI 5451 : playback 32 : capture 1

 A copy of /proc/asound had been copied to Modem/ALSAubuntu.tgz
 === Finished modem firmware and bootup diagnostics section. ===
 === Next deducing cogent software ===


There is candidate modem software.

 For candidate modem in PCI bus:  00:08.0
   Class 0703: 10b9:5457 Modem: ALi Corporation M5457 AC'97 Modem Controller
      Primary PCI_id  10b9:5457
    Subsystem PCI_id  103c:002a
    Softmodem codec or chipset from diagnostics:
                               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:	

Support can likely be achieved through two mutually exclusive alternatives:
1) The hsfmodem software for Conexant chipset modems: Read Conexant.txt
The following ALSA alternative CANNOT work with Conexant modems.

2) An ALSA modem driver plus slmodemd.  Read Smartlink.txt for details, and
to test get the package SLMODEMD.gcc4.1.tar.gz from:
	http://linmodems.technion.ac.il/packages/smartlink/


scanModem could not identify the Support Type needed from diagnosics
or archives.
	If an alternative boot into Microsoft windows can be done, do mouse
clicks on:
   Start > Settings > Control Panel > Classical View (for Window XP) > System
> Hardware > Device Manager > Modems > Click on the + > Modem. Double click to
expand the graphic. Manufacturer information may be displayed. For example, CXT
stands for Conexant. Click the Diagnostics Tab. Record any hardware ID or vendor
and device information.
Next do the Query Modem and record the ATI specifications displayed such as:
    ATI3 - Agere SoftModem Version 2.1.22
    ATI5 - 2.1.22, AMR Intel MB, AC97 ID:SIL REV:0x27
Try to identify the modem setup file, with name perhaps MODEM.INF.
If may contain chipset Vendor informaton.


For owners of a Dell PCs with Conexant HSF modems, a driver source
package with full speed enabled is available, but requires driver
compiling. Read Conexant.txt

 Read Conexant.txt

Writing Conexant.txt

The modem is supported by the Smartlink slamr driver
plus the slmodemd helper utility.  Read the
Smartlink.txt and Modem/YourSystem.txt for follow through guidance.


For 2.6.22-14-generic compiling drivers is necessary. As of October
2007 the current packages at
http://linmodems.technion.ac.il/packages/smartlink/  are the
ungrab-winmodem-20070505.tar.gz and slmodem-2.9.11-20070813.tar.gz

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


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

 Versions adequately match for the compiler installed: 4.1.3
             and the compiler used in kernel assembly: 4.1.3



 Minimal compiling resources appear complete:
   make utility - /usr/bin/make
   Compiler version 4.1
   linuc_headers base folder /lib/modules/2.6.22-14-generic/build

 However some compilations and executable functions may need additional files,
 in the FileNames.h (so called kernel "h"eaders) collection installed
in  /usr/include/ .
 For martian_modem, additional required packages are libc6-dev (and
for Debian/Ubuntu,  linux-libc-dev). The also required headers of
package libc6 are commonly installed by default.



If a driver compilation fails, with message including some lack of
some FileName.h (stdio.h for example), then
Some additional kernel-header files need installation to /usr/include.
The minimal additional packages are libc6-dev
and any of its dependents, under Ubuntu linux-libc-dev

If an alternate ethernet connection is available,
$  apt-get update
$  apt-get -s install linux-kernel-devel
will install needed pacakage
For Debian/Ubuntu related distributions, run the following command to
display the needed package list:

Otherwise packages have to be found through http://packages.ubuntu.com
Once downloaded and transferred into a Linux partition,
they can be installed alltogether with:
$ sudo dpkg -i *.deb


Checking pppd properties:
	-rwsr-xr-- 1 root dip 269256 2007-10-04 19:57 /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)
        sudo chmod a+x /usr/sbin/pppd
or under Ubuntu related Linuxes
	sudo chmod a+x /usr/sbin/pppd

Checking settings of:	/etc/ppp/options
asyncmap 0
noauth
crtscts
lock
hide-password
modem
proxyarp
lcp-echo-interval 30
lcp-echo-failure 4
noipx

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
Which can interfere with Browser naviagation.

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

 Checking for modem support lines:
 --------------------------------------
     /device/modem symbolic link:
slmodemd created symbolic link /dev/ttySL0:
     Within /etc/udev/ files:

     Within /etc/modprobe.conf files:
/etc/modprobe.d/alsa-base:options snd-atiixp-modem index=-2
/etc/modprobe.d/alsa-base:options snd-via82xx-modem index=-2
/etc/modprobe.d/blacklist-modem:# Uncomment these entries in order to
blacklist unwanted modem drivers
/etc/modprobe.d/blacklist-modem:# blacklist snd-atiixp-modem
/etc/modprobe.d/blacklist-modem:# blacklist snd-via82xx-modem
     Within any ancient /etc/devfs files:

     Within ancient kernel 2.4.n /etc/module.conf files:

--------- end modem support lines --------

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