[Asterisk-Users] Kernel Freezes with T100P

[asterisk at bsius.com]

What motherboard do you have?

http://www.voipinfo.org/wiki-Asterisk+hardware talks about problems with
T100P and some motherboards/chipsets. Mostly ones with shared video memory.

-Bill 

-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Zach Chambers
Sent: Wednesday, May 12, 2004 9:10 AM
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] Kernel Freezes with T100P

Thomas,

Ok, I was wrong yesterday.  The reason I went to the stock kernel was that I
could not get the Fedora "kernel-source" based kernel to successfully "make
HOSTCC=gcc32 modules" There were so many modules that would not compile
using that stock config that I gave up.  The reason I had to recompile is
that Fedora does not come with the generic HDLC driver by default.

That said, I pounded through it last night and got v2188 of the Fedora
kernel compiled. With HDLC support, and successfully compiled the Zaptel
driver against it.  I'm only using the drivers/t100p for network links, so
things that might be different about my configuration are:

#define CONFIG_ZAPATA_NET
#define CONFIG_ZAPATA_PPP

In zconfig.h.

The same problem occurrs even with this kernel:  /sbin/ifup hdlc0,
/sbin/ifdown hdlc0, /sbin/ifup hdlc0 reliably freezes the kernel within 30
seconds after the last command.  During one freeze I actually got some
kernel oops info but had no way to save it.  Working on that now. I have
also tried moving the card to a different PCI slot with no effect.

So, any other ideas are welcome, along with any ideas for obtaining
additional debugging info.

Thanks,

-Zach.

>>> Ever tried to use the latest fedora kernel. Also what type of 
>>> chipset do you have? Might be an chipset incompatiblity. Did you 
>>> ever try swapping arround the pci card into a nother PCI slot or 
>>> playing arround with the IRQ's?
>>>
>>> -- Thomas
>>
>>
>>
>> Thomas,  I could not get the zaptel drivers to compile using any of 
>> the fedora kernels which is what drove me to the stock kernel to 
>> begin with.  I'll check the archives again on that issue.  The 
>> chipset is a VIA chipset.  I don't know much about it other than that 
>> yet.  I'll try PCI slot move as well.
>>
>> Thanks,
>>
>> -Zach.
>>
> I actually just installed the zaptel driver for fedora from cvs.
> Christian helped me getting the latest CVS version of asterisk, libpri 
> and zaptel.
> Then what I did is grabbed the kernel-source for fedora.
> I guess in your case you want to do an kernel update.
>
> yum update
> yum install kernel-source
> It should install the 2188 kernel and 2188 kernel source.
> Then just go to /usr/src/zaptel
> make clean && make && make install
> and same with libpri and asterisk.
> Just make sure you removed the wcfxo kernel mod be4 you install 
> zaptel. And then reboot the box as when I modprobe wcfxp it gave me an 
> actuall kernel panic :-) After reboot everything worked just fine. It 
> even seems like my dropped call issue is gone.
>
> If you need a copy of the yum.conf file let me know.
>
> -- Thomas
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