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RE: IOEthernetController and USB problem
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RE: IOEthernetController and USB problem


  • Subject: RE: IOEthernetController and USB problem
  • From: Quinn <email@hidden>
  • Date: Mon, 11 Mar 2002 11:38:38 +0000

At 8:56 -0500 8/3/02, Beard Rex (Aepix) wrote:
1> The network interface never goes away completely. I can not
kextunload my driver. And I can't just replug USB and have
it all work again. HOW DO I WORK AROUND THIS.

AFAIK there is no workaround for this. I talked with the DTS engineer who worked this issue through for another USB Ethernet developer, and their final conclusion was to document the problem to end users and wait for Apple to fix IOEthernetController.

2> How do I interpret the Mac crash text? When OS X crashes
it prints a little useful information like a stack back
trace. But it is only the addresses. Where can I find
the symbol table map to look those addresses up????

The best way to do this depends on the circumstances in which you got the kernel panic. If you can reproduce the panic in house, the correct thing to do is to build a debug version of the kernel from the Darwin source code, install that kernel on your test machine, attach gdb in two machine mode, and then run your test. That way you'll get full source-level debugging of the panic.

If you've got the panic text from an end user (ie they typed it in and emailed it to you) there are other techniques to map the symbol names. I'm not intimately familiar with them, so I'll defer doing the research unless you confirm that this is what you're interested in.

Another DTS engineer is working on an "interpreting kernel panics" technote, which should be published in the next few months.

S+E
--
Quinn "The Eskimo!" <http://www.apple.com/developer/>
Apple Developer Technical Support * Networking, Communications, Hardware
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References: 
 >RE: IOEthernetController and USB problem (From: "Beard Rex (Aepix)" <email@hidden>)

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