It is not uncommon to lose a service after an upgrade, as Ste reports
below for lose of snd-hda-intel modem service following a Ubuntu
upgrade with new kernel+modules of version 2.6.20-15-generic
installed.
In such cases, it is usually feasible to install a
linux-image-SomeVersion package used in the prior installation. For
example, on a laptop I have installed:
Ubuntu 7.04
Linux version 2.6.20-15-generic (root@palmer) (gcc version 4.1.2 (Ubuntu
4.1.2-0ubuntu4))
with consequent lose of wireless service through the Realtech rt2500.ko driver.
However an alternative boot with an Edgy 2.6.17 kernel+modules is
feasible with wirleess function.
MarvS
On 5/27/07, ste <ste@xxxxxxxxxxxxxxxxx> wrote:
Hello everybody,
the internal modem worked well (but only at 33600) with edgy eft and
slmodemd and now with feisty I get a list of this error (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)
Browsed your archives but I didn' find a solution. Alsa version is 1.0.13
Thanks for help.
stefano
-------------------------- System information ----------------------------
CPU=i686, Ubuntu 7.04
Linux version 2.6.20-15-generic (root@palmer) (gcc version 4.1.2 (Ubuntu
4.1.2-0ubuntu4)) #2 SMP Sun Apr 15 07:36:31 UTC 2007
scanModem update of: 2007_May_11
The modem symbolic link is /dev/modem -> ttySL0
The slmodemd set symbolic link is /dev/ttySL0 -> /dev/pts/2
ALSAversion 1.0.13
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 1179:0001 Audio device: Intel Corporation
82801G
Modem interrupt assignment and sharing:
23: 9828 0 IO-APIC-fasteoi HDA Intel
--- Bootup diagnositcs for card in PCI slot 00:1b.0 ----
[ 15.080000] PCI: Enabling device 0000:00:1b.0 (0000 -> 0002)
[ 15.080000] ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 22 (level,
low) -> IRQ 23
[ 15.080000] PCI: Setting latency timer of device 0000:00:1b.0 to 64
=== Finished modem firmware and bootup diagnostics section. ===
=== Next deducing cogent software ===
8086:27d8 is a High Definition Audio card, possibly hosting a soft modem.
HDAmodemChip=0x11c13026
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 1179:0001
Softmodem codec or Vendor from diagnostics:
from Archives: 11c1, an AgereSystems type.
The HDA card softmodem chip is 0x11c13026
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-1.0.13.tar.gz having a compiled slmodemd. Unpack
under Linux with:
$ tar zxf SLMODEMD-1.0.13.tar.gz
and read instructions therein. But briefly, the modem is setup with
command:
sudo 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.
#this worked well on edgy eft
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 21912 7
snd_hda_codec 205440 1 snd_hda_intel
snd_pcm 79876 10
snd_atiixp_modem,snd_via82xx_modem,snd_intel8x0m,snd_ac97_codec,snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd 54020 24
snd_atiixp_modem,snd_via82xx_modem,snd_intel8x0m,snd_ac97_codec,snd_hda_intel,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
snd_page_alloc 10888 5
snd_atiixp_modem,snd_via82xx_modem,snd_intel8x0m,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: ALC262 Analog : ALC262 Analog : capture 2
00-00: ALC262 Analog : ALC262 Analog : playback 1 : capture 2
/proc/asound/modules
-------------------------------
0 snd_hda_intel
and from the command:
aplay -l | grep -i modem
scheda 0: Intel [HDA Intel], dispositivo 6: Si3054 Modem [Si3054 Modem]
----------------end Softmodem section --------------
Writing Intel.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.
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: 4.1.2
and the compiler used in kernel assembly: 4.1.2
Kernel-header resources needed for compiling are not manifestly ready!
If compiling is necessary packages must be installed, providing:
linux-headers-2.6.20-15-generic
Checking pppd properties:
-rwsr-xr-- 1 root dip 269224 2007-04-05 05:41 /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
auth
crtscts
lock
hide-password
modem
mru 542
proxyarp
lcp-echo-interval 30
lcp-echo-failure 10
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 eth0:avah
Which can interfere with Browser naviagation.
Don't worry about the following, it is for the experts
should trouble shooting be necessary.
==========================================================
# start/stop the daemon when the USB modem is connected
KERNEL=="slusb[0-9]*", GROUP="dialout", RUN+="/etc/init.d/sl-modem-daemon"
Checking for modem support lines:
--------------------------------------
/device/modem symbolic link: lrwxrwxrwx 1 root root 6 2007-05-23
21:38 /dev/modem -> ttySL0
slmodemd created symbolic link /dev/ttySL0: lrwxrwxrwx 1 root root 10
2007-05-23 21:40 /dev/ttySL0 -> /dev/pts/2
Within /etc/udev/ files:
/etc/udev/rules.d/030_sl-modem-daemon.rules:# start/stop the daemon when
the USB modem is connected
/etc/udev/rules.d/030_sl-modem-daemon.rules:KERNEL=="slusb[0-9]*",
GROUP="dialout", RUN+="/etc/init.d/sl-modem-daemon"
/etc/udev/sl-modem-daemon.rules:# start/stop the daemon when the USB
modem is connected
/etc/udev/sl-modem-daemon.rules:KERNEL=="slusb[0-9]*", GROUP="dialout",
RUN+="/etc/init.d/sl-modem-daemon"
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/sl-modem-daemon.modutils:install slamr modprobe
--ignore-install ungrab-winmodem ; modprobe --ignore-install slamr;
test -e /dev/slamr0 || (/bin/mknod -m 660 /dev/slamr0 c 242 0
2>/dev/null && chgrp dialout /dev/slamr0)
/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
/etc/modprobe.d/alsa-base~:options snd-atiixp-modem index=-2
/etc/modprobe.d/alsa-base~:options snd-via82xx-modem index=-2
Within any ancient /etc/devfs files:
Within ancient kernel 2.4.n /etc/module.conf files:
--------- end modem support lines --------
