Hi Tzafrir, Thanks for your support
Am 2010-09-25 11:53, schrieb Tzafrir Cohen:
Hi, Thanks for he patch,
On Fri, Sep 24, 2010 at 09:05:45PM +0200, Heinrich Ruthensteiner wrote:
Unfortunately, this patch is no stable solution. Although it is possible
for a short time to work with it, but the complete machine freezes time
and again during phone calls over the ISDN line - without any usable
entries in the log file.
What kernel do you use? What CPU?
# uname -a
Linux rhodos 2.6.32-5-486 #1 Sat Sep 18 01:43:00 UTC 2010 i586 GNU/Linux
The CPU is a AMD Geode LX single chip processor on a net5501-70 Board
from Soekris
# cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 5
model : 10
model name : Geode(TM) Integrated Processor by AMD PCS
stepping : 2
cpu MHz : 499.907
cache size : 128 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu de pse tsc msr cx8 sep pge cmov clflush mmx mmxext 3dnowext
3dnow
bogomips : 999.81
clflush size : 32
cache_alignment : 32
address sizes : 32 bits physical, 32 bits virtual
power management:
I don't see any obvious fix for that in current changelogs. Before I
forward this upstream: How easy to reproduce are those hangs? I wonder if
you could test for them in current SVN.
I will test it, however, it will not be possible before next Monday or
Tuesday because I live not where Asterisk machine is running. And
currently the ISDN cable is unplugged and one ISDN phone is connected
directly to the operator socket. The asterisk is used currently only for
VoIP traffic.
I have already everything prepared for the test (via remote access).
Steps for loading current SVN:
# Required packages: subversion linux-headers-`uname -r`
svn checkout http://svn.asterisk.org/svn/dahdi/linux/trunk dahdi-linux
cd dahdi-linux
I have also applied my patch, because the driver (wcb4xxp) does not know
my ISDN card.
make
I made also `make install` since the original kernel modules are useless
anyway.
# Fix /etc/dahdi/system.conf so it would not use OSLEC:
mv /etc/dahdi/system.conf /etc/dahdi/system.conf.oslec
sed -e 's/=oslec,/=mg2,/' /etc/dahdi/system.conf/oslec>/etc/dahdi/system.conf
probably:
sed -e 's/=oslec,/=mg2,/' /etc/dahdi/system.conf.oslec
>/etc/dahdi/system.conf
done
# Steps to use that
# to be run from that above dahdi-linux directory:
/etc/init.d/asterisk stop
/etc/init.d/dahdi stop
modprobe crc_ccitt # just in case it's not already loaded
insmod drivers/dahdi/dahdi.ko
insmod drivers/dahdi/wcb4xxp/wcb4xxp.ko
insmod drivers/dahdi/wcb4xxp/dahdi_echocan_mg2.ko
probably:
insmod drivers/dahdi/dahdi_echocan_mg2.ko
(but since I made a `make install` a modprobe will also do the job)
/etc/init.d/dahdi start # or simply: dahdi_cfg
/etc/init.d/asterisk start
Apart from the changes to /etc/dahdi/system.conf non of them installs
anything. So a reboot will get rid of it.
Will not be a problem (at least as long as the ISDN-Cable and the
ISDN-Phone are unplugged).
Some other remarks:
I use this board with this ISDN card with negligible problems for more
than two years. With the asterisk 1.2 provided and patched by Junghanns
himself (running on Debian Etch). Because of the laborious installation
of security updates and because I wanted to use a newer versions of
asterisk, I have decided to make this update. Unfortunately this system
is a productive system (in a hostel in Vienna). Probably I will change
the ISDN connection to a media gateway (I think on a Patton smart-node).
The Junghanns solution will be the backup system in the future.
Best regards
Heinrich
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