[Freeswitch-users] Help needed about building snd_dummy with the dummy.c in skypopen

Jian Ren renjian at gmail.com
Tue Oct 26 07:44:27 PDT 2010


Problem found and solved.
There are two dummy.c under alsa-driver-1.0.20, I overwrote the one under
drivers, which is the wrong one. Based on the wiki, it should be the one
under alsa-driver-1.0.20/sound/drivers.
Besides, I need to reboot after rebuilding the new dummy.c.

Thank Giovanni for helping me out.

Jian

On Sun, Oct 24, 2010 at 5:32 PM, Giovanni Maruzzelli <gmaruzz at gmail.com>wrote:

> On Sun, Oct 24, 2010 at 11:28 PM, Jian Ren <renjian at gmail.com> wrote:
> > Ok, I found out the new error was caused by missing of 32bit
> compatibility
> > libraries, after I ran this:
> >
> > apt-get -y install ia32-libs lib32asound2 libc6-i386 lib32gcc1 \
> > lib32stdc++6 lib32ncurses5 lib32z1
>
> Btw, in the wiki is written about the 32bit libraries.
>
> If you follow the wiki, it works. I've done that many times.
>
> After you have installed ALSA, you need to reboot the machine, or to
> rmmod all the snd* modules from the kernel, before to modprobe
> snd-dummy
>
> -giovanni
>
>
> >
> > Now I am getting exactly the same problem as if under virtualBox or
> > VMPlayer. So it's not a VM problem.
> > Please help!
> > Thanks!
> > Jian
> >
> > On Sat, Oct 23, 2010 at 10:19 PM, Jian Ren <renjian at gmail.com> wrote:
> >>
> >> Hi, I tried real machine. Got different error:
> >> FATAL: Error inserting
> >>
> snd_dummy(/lib/modules/2.6.24-26-server/kernel/sound/drivers/snd-dummy.ko):
> >> Unknown symbol in module, or unknown parameter (see demsg).
> >> Then if I type demsg, got the attached screen.
> >> Please help.
> >> Thanks!
> >>
> >> On Fri, Oct 22, 2010 at 11:33 AM, Jian Ren <renjian at gmail.com> wrote:
> >>>
> >>> Tried under VMPlayer, got the same problem, will try real machine
> later.
> >>> Attached is the screen shot.
> >>>
> >>> Thanks!
> >>> Jian
> >>>
> >>> On Thu, Oct 21, 2010 at 4:45 PM, Giovanni Maruzzelli <
> gmaruzz at gmail.com>
> >>> wrote:
> >>>>
> >>>> Maybe is a problem with virtualbox. Also, is known that
> >>>> fs+mod_skypopen+skype clients does not works in virtualbox.
> >>>>
> >>>> Try it on a real (hardware) machine.
> >>>>
> >>>> Or (but is less popular) in a xen like virtual machine.
> >>>>
> >>>> -giovanni
> >>>>
> >>>> On Thu, Oct 21, 2010 at 4:21 PM, Jian Ren <renjian at gmail.com> wrote:
> >>>> > Hi,
> >>>> > I am trying to follow this wiki:
> >>>> > http://wiki.freeswitch.org/wiki/Skypiax_Skype_Endpoint_and_Trunk
> >>>> > to setup FS and Skypopen on Ubuntu 8.04(64bit server inside
> >>>> > virualbox).
> >>>> >
> >>>> > There is one step asks me to build snd_dummy:
> >>>> >
> >>>> >
> http://wiki.freeswitch.org/wiki/Skypopen_Skype_Endpoint_and_Trunk#ALSA_and_the_custom_snd-dummy
> >>>> > The section is like below:
> >>>> >
> >>>> > Ubuntu, Debian
> >>>> >
> >>>> > Note, Ubuntu may have alsa sound drivers installed at
> >>>> > /lib/modules/<your
> >>>> > kernel version>/ubuntu/sound/..., you may need to remove the dir to
> >>>> > allow
> >>>> > modprobe search from the default place: /lib/modules/<your kernel
> >>>> > verision>/kernel/sound/ (don't forget to rerun /sbin/depmod after
> >>>> > removing
> >>>> > the old sound directory. Eg: /sbin/depmod -a 2.6.24-24-server).
> >>>> >
> >>>> > ./configure --with-redhat=no \
> >>>> > --with-cards=dummy,usb-audio,hda-intel,hrtimer,rtctimer \
> >>>> > --with-card-options=all
> >>>> > make && make install
> >>>> >
> >>>> > After the first make && make install, copy
> >>>> > mod_skypopen/configs/alsa/dummy.c
> >>>> > to alsa-driver-1.0.20sound/drivers/dummy.c .
> >>>> >
> >>>> > make && make install #again :)
> >>>> >
> >>>> > The problem is after I did all of them, when I entered modprobe
> >>>> > snd_dummy,
> >>>> > it always crashed and returned as "killed" on my terminal, I could
> see
> >>>> > it
> >>>> > dumped out a huge block or data(numbers, etc) on the host but don't
> >>>> > understand the meaning. While if I used the original dummy.c inside
> >>>> > alsa-driver-1.0.20, it worked fine.
> >>>> > Besides, the default ubuntu installation doesn't include kernal dev
> >>>> > and
> >>>> > source, so I did one more step(or it cannot build alsa).
> >>>> >
> >>>> > Did anyone try the same and get it working?
> >>>> >
> >>>> > Thanks!
> >>>> > Jian
> >>>> >
> >>>> >
> >>>> > _______________________________________________
> >>>> > FreeSWITCH-users mailing list
> >>>> > FreeSWITCH-users at lists.freeswitch.org
> >>>> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >>>> >
> >>>> > UNSUBSCRIBE:
> http://lists.freeswitch.org/mailman/options/freeswitch-users
> >>>> > http://www.freeswitch.org
> >>>> >
> >>>> >
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>> Sincerely,
> >>>>
> >>>> Giovanni Maruzzelli
> >>>> Cell : +39-347-2665618
> >>>>
> >>>> _______________________________________________
> >>>> FreeSWITCH-users mailing list
> >>>> FreeSWITCH-users at lists.freeswitch.org
> >>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >>>> UNSUBSCRIBE:
> http://lists.freeswitch.org/mailman/options/freeswitch-users
> >>>> http://www.freeswitch.org
> >>>
> >>
> >
> >
>
>
>
> --
> Sincerely,
>
> Giovanni Maruzzelli
> Cell : +39-347-2665618
>
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