[Asterisk-Users] TDM04B vs Dell

[tim panton]

On 6 Jan 2005, at 00:01, Michael Swan wrote:

> Hi all,
>
> I've struggled for several days trying to get a Digium TDM04B 4-port
> wxfco card working on a Dell 1U PowerEdge 750 machine running
> Fedora Core 1. I finally got a call back from Digium who indicated that
> there is a fundamental conflict between the card and the PowerEdge
> having to do with PCI interrupts. Asterisk version is stable v1-0 
> 12/29/04.
>
....snip...
> 3. issue "modprobe wcfxs" which immediately returns with no feedback, 
> however
> the four lights on the card go on and then the machine locks up 
> completely, requiring
> a power cycle to get it running again. After the power cycle, if I 
> look in /var/log/messages
> I see a long cycle of the following messages before reboot:
> 	kernel: Dazed and confused, but trying to continue
> 	kernel: Do you have a strnage power saving mode enabled?
> 	kernel: Uhhuh, NMI received for unknown reason 20 on CPU 0
>
Yes, that's what I saw on the 1U HP DL140 I have. I gave up having 
concluded that
the problem was either:
	1) the passive PCI Riser that is used in many 1U cases
	2) the on-board server management ASIC (lights out managment, fan speed
etc)

It would be great to track this problem down.

Tim.