Re: slmodemd doesn't work after suspend/resume

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Oleg,

Known problem.
Just kill slmodemd with
#   Ctrl-C
Then unload the modem driver
#   modprobe -r snd_intel8x0m
reload
#   modprobe  snd_intel8x0m
and restart slmodemd

MarvS
scanModem maintainer

2008/6/12 Oleg Mikheev <omikheev@xxxxxxxxx>:
> Hi!
>
> I have a Motorola modem:
> Ven 8086, Dev 24C6, Rev 03
> on vanilla 2.6.25.4
>
> It works great on a freshly booted laptop.
> But once I suspend(S3)/resume it slmodem fails.
> It doesn't produce any messages, and starts up
> just fine. But any attempts to dial a number
> result in NO DIALTONE... ata always results in
> NO CARRIER (with no attempts to find one in the
> line).
>
> Is it a known problem?
>
> Thanks
>
>  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 Fedora Core release 5 (Bordeaux)
> Kernel  kernel 2.6.23.1
>  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 local
> Linux experts
>  can be found through: http://www.linux.org/groups/index.html
>  Responses from Discuss@xxxxxxxxxxxxx are sometimes blocked by an Internet
> Provider mail filters.
>  So in a day, also check the Archived responses at http://www.linmodems.org
> --------------------------  System information ----------------------------
> CPU=i686,  Fedora Core release 5 (Bordeaux)
> Kernel
> Linux version 2.6.23.1 (root@averamihel) (gcc version 4.1.1 20070105 (Red
> Hat 4.1.1-51)) #6 Thu Oct 18 12:05:33 MSD 2007
>  scanModem update of:  20071018
>
>
>  There are no blacklisted modem drivers in /etc/modprobe*  files
>
>  Potentially useful modem drivers now loaded are:
>  snd_intel8x0m
>
>
> Advanced Linux Sound Architecture  (ALSA) spackage providing audio support
> on your System, also includes drivers for some modems. For modems using the
> snd-hda-intel  audio+modem driver, upgrades to a new ALSA version are
> sometimes
> necessary to achieve function. See for example:
>      http://linmodems.technion.ac.il/bigarch/archive-seventh/msg02144.html
> Copying ALSA diagnostics to Modem/ALSAroot.tgz
> ALSAversion = 1.0.14rc1
>
>  USB modem not detected.
>
> Modem or candidate host audio card have firmware information and
> diagnostics:
>
>  PCI slot       PCI ID          SubsystemID     Name
>  ----------     ---------       ---------       --------------
>  00:1f.6        8086:24c6       14ff:100f       Modem: Intel Corporation
> 82801DB/DBL/DBM
>
>  Modem interrupt assignment and sharing:
>  17:          0   IO-APIC-fasteoi   Intel 82801DB-ICH4, Intel 82801DB-ICH4
> Modem
>  --- Bootup diagnostics for card in PCI slot 00:1f.6 ----
> ACPI: PCI Interrupt 0000:00:1f.6[B] -> GSI 17 (level, low) -> IRQ 17
> ACPI: PCI interrupt for device 0000:00:1f.6 disabled
> ACPI: PCI Interrupt 0000:00:1f.6[B] -> GSI 17 (level, low) -> IRQ 17
> PCI: Setting latency timer of device 0000:00:1f.6 to 64
>
>  The PCI slot 00:1f.6 of the modem card may be disabled early in
>  a bootup process,  but then enabled later. If modem drivers load
>  but the  modem is not responsive, read Bootup.txt about possible fixes.
>  Send dmesg.txt along with ModemData.txt to discuss@xxxxxxxxxxxxx
>  if help is needed.
>
>
>  === Finished modem firmware and bootup diagnostics section. ===
>  === Next deducing cogent software ===
>
>
>  Modem not detected though HDA card diagnostics, though not excluding
>  a possible Conexant modem chip impervious to ALSA diagnostics.
>  Proceeding through alternative possibilties.
>
> There is candidate modem software.
>  For candidate modem in PCI bus:  00:1f.6
>   Class 0703: 8086:24c6 Modem: Intel Corporation 82801DB/DBL/DBM
>      Primary PCI_id  8086:24c6
>    Subsystem PCI_id  14ff:100f
>    Softmodem codec or chipset from diagnostics: MOT66, an AgereSystems type.
>                               from    Archives:
>
>
>  This is a NEW softmodem case!  Please send the output ModemData.txt
>  to DISCUSS@xxxxxxxxxxxxx to enrich the Archive and help others!
>  If further assistance is not needed, please use email Subject:
>     New Case Only
>  -------------------------------------------
>  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-intel8x0m
>  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 modem:1
>  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-intel8x0m and audio drivers it
> depends on,
>  displayed by:  lsmod | grep snd_intel8x0m
> Module                  Size  Used by
> -------------------------------------
> snd_intel8x0m          16588  0
> snd_ac97_codec         90720  2 snd_intel8x0m,snd_intel8x0
> snd_pcm                62280  4
> snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss
> snd                    46628  10
> snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
> snd_page_alloc         10120  3 snd_intel8x0m,snd_intel8x0,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
> -------------------------------
> 00-04: Intel ICH - IEC958 : Intel 82801DB-ICH4 - IEC958 : playback 1
> 00-03: Intel ICH - ADC2 : Intel 82801DB-ICH4 - ADC2 : capture 1
> 00-02: Intel ICH - MIC2 ADC : Intel 82801DB-ICH4 - MIC2 ADC : capture 1
> 00-01: Intel ICH - MIC ADC : Intel 82801DB-ICH4 - MIC ADC : capture 1
> 00-00: Intel ICH : Intel 82801DB-ICH4 : playback 1 : capture 1
> 01-00: Intel ICH - Modem : Intel 82801DB-ICH4 Modem - Modem : playback 1 :
> capture 1
>
>        /proc/asound/modules
> -------------------------------
>  0 snd_intel8x0
>  1 snd_intel8x0m
>        /proc/asound/card1/codec97#0/mc97#1-1+regs
> -------------------------------
> 0:7c = 4d4f  and  0:7e = 5466
> which were translated from hexadecimal code into:  MOT66
>
>        /proc/asound/card1/codec97#0/mc97#1-1
> -------------------------------
> Extended modem ID: codec=1 LIN1
>
> and from the command:
>        aplay -l | grep -i modem
> card 1: Modem [Intel 82801DB-ICH4 Modem], device 0: Intel ICH - Modem [Intel
> 82801DB-ICH4 Modem - 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
>
>
>
>  Minimal compiling resources appear complete:
>   make utility - /usr/bin/make
>   Compiler version 4.1
>   linuc_headers base folder /lib/modules/2.6.23.1/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.
>
> Compressed files at: /usr/src/linux-2.6.23.1.tar.bz2
>
>
> If a driver compilation files with message including some lack of some
> FileName.h (stdio.h for example.
> Some additional kernel-header files need installation to /usr/include.
> For Debian/Ubuntu related distributions, run the following command to
> display the needed package list:
> $ sudo apt-get -s install linux-kernel-devel
> While some of the files may be on the install CD, others may have to be
> found through http://packages.ubuntu.com
>
> For Ubuntu Feisty, additional packages required were:
>  libc6-dev linux-libc-dev
> available through http://packages.ubuntu.com/ , if not on the install CD.
> Such packages may have different names for other Linux distributions.
> Try installing just the libc6-dev, then test the compile again.
>
>
> Checking pppd properties:
>        -r-xr-xr-x 1 root root 308292 Feb 12  2006 /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
>
>
>  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:
> /etc/udev/rules.d/50-udev.rules:KERNEL=="modems/mwave*",        NAME="%k",
> GROUP="uucp", MODE="0660"
>     Within /etc/modprobe.conf files:
>
>     Within any ancient /etc/devfs files:
>
>     Within ancient kernel 2.4.n /etc/module.conf files:
>
> --------- end modem support lines --------
>
>
>
> PCIDEV=8086:24c6
> CLASS="Class 0703: 8086:24c6"
> NAME="Modem: Intel Corporation 82801DB/DBL/DBM "
> Vendor=8086
> Device=24c6
> SUBSYS=14ff:100f
> SUBNAME=" TWINHEAD INTERNATIONAL Corp Unknown device 100f"
> SUBven=14ff
> IRQ=17
> Test="./scanModem test 8086:24c6 14ff:100f"
> SOFT=8086:24c6
> CODECd=MOT66
> COD=MOT
> TYPE=ALSA
> SLMODEMD_DEVICE=modem:1
> PORT="modem:1"
> Driver=snd-intel8x0m
> DRIVER_=snd_intel8x0m
> KDRIVER=SND_INTEL8X0M
> MPLACE=
> ASOUND=1
> CODECp=
> CODEC=
> COD=MOT
> HDA=
> IDENT=slmodemd
> TST=
>
>
>

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