Re: dtrace return hook missing for some iokit funcs?
Re: dtrace return hook missing for some iokit funcs?
- Subject: Re: dtrace return hook missing for some iokit funcs?
- From: Terry Lambert <email@hidden>
- Date: Sat, 24 Apr 2010 00:36:21 -0700
On Apr 23, 2010, at 8:41 AM, Andrew Gallatin wrote:
Terry,
Thanks. Commenting the holding-a-simple-lock-while-entering-mutex
assertion got me booting. I managed to get my code working, thanks
to an assertion that triggered in the debug kernel when I passed
the wrong task into IOMemoryDescriptor::withOptions using physical
memory.
Thanks again,
No problem, glad to be of assistance!
Can I ask for something in return?
It would probably be worthwhile for you (an outside person) to
request that the default kernel one uses to do KEXT work be a DEBUG
kernel, and that we support this by adding one to the kernel debug
kit, along with the other necessary pieces. If this caught the
problem for you, it would make sense that it could catch problems for
other people.
It would also be useful to know the criminal KEXT; if this one is too
hard to track down with your setup, I'd understand if you said not to
it, but it can never hurt to ask...
Cheers!
-- Terry
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