[asterisk-users] DAHDI on VMWARE

Shaun Ruffell sruffell at digium.com
Fri Dec 3 09:54:21 CST 2010


On 12/03/2010 08:46 AM, Danny Nicholas wrote:
>> Actually I think I wasn't clear.  Instead of the "latest version of
>> DAHDI-linux" I think I should have said "to the current trunk of
>> dahdi-linux"  i.e.
>> 
>> ]# svn co http://svn.asterisk.org/svn/dahdi/linux/trunk dahdi-linux-trunk
>> ]# cd dahdi-linux-trunk
>> ]# make install
>> ]# /etc/init.d/dahdi stop
>> ]# dmesg -c > /dev/null
>> ]# modprobe wctdm24xxp debug=1
>> ]# dmesg | tee output.txt
>> 
>> The results of output.txt is what I am interested in. 

> Thanks, Shaun
> Output.txt
> [226640.316796] dahdi: Telephony Interface Registered on major 196
> [226640.316797] dahdi: Version: SVN-trunk-r9503
> [226640.321586] wctdm24xxp 0000:13:00.0: PCI INT A -> GSI 16 (level, low) ->
> IRQ 16
> [226640.321604] wctdm24xxp 0000:13:00.0: IO Registers are in use by another
> module.
> [226640.421189] wctdm24xxp 0000:13:00.0: Did not come out of reset within
> 100ms
> [226640.421191] wctdm24xxp 0000:13:00.0: Failed reset.
> [226640.421222] wctdm24xxp 0000:13:00.0: PCI INT A disabled
> [226640.421227] wctdm24xxp: probe of 0000:13:00.0 failed with error -5
> 
> 

Typically when I see those errors it's because the memory cycles aren't
completing.  I'm not a VMWARE passthrough user/expert (but am interested
if this configuration will work), so I'm not sure if there is an extra
step you need to do to make sure that the memory window is opened up and
whether your host machine must have an IOMMU in order to remap any IO /
DMA transactions.

Do you know whether VMWARE says pci passthrough should work on your host
system?  Have you been able to put a NIC card into the host and setup
PCI-passthrough on it?


-- 
Shaun Ruffell
Digium, Inc. | Linux Kernel Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: www.digium.com & www.asterisk.org



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