I hate to follow up to myself, but after reading what I wrote I
decided to make sure that the adaptec 2940UW card was in fact seated
properly.  Turns out that the card was not seated properly.  So far,
no lock ups.

-russ

Russell McManus <russell_mcmanus@yahoo.com> writes:

> I am having a problem where my powermac 7300 is repeatedly locking up.
> The console messages says:
> 
> tlp0: transmit underrun; new threshhold: 96/256 bytes
> mesh0: timeout state 3
> mesh: resetting dma
> 
> and then everything is locked up.  I have tlp ethernet pci card in
> the box, in addition I have an Adaptec 2940UW on the PCI bus, with
> an external disk enclosure.
> 
> The box was stable for quite a while running 1.5.2, and then 1.6, but
> just over the last months it has started repeatedly hanging.  The only
> thing I have changed is attempting to put in a ATI Rage 128 video
> card in the box.  I couldn't get the video card to work, so I took it
> out.
> But during that time, I was messing around with the cards on the PCI
> bus.
> 
> I've already send-pr'ed this problem, but haven't heard anyting:
>  any ideas on what to try? I've already monkeyed with the two PCI 
> cards in the box, they seem to be seated OK.
> 
> -russ
> 
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