Re: another strange panic
Re: another strange panic
- Subject: Re: another strange panic
- From: Andrew Gallatin <email@hidden>
- Date: Mon, 28 Feb 2005 18:31:10 -0500 (EST)
Mark Cookson writes:
> On 2/28/05 4:13 PM, "Andrew Gallatin" <email@hidden> wrote:
>
> > Sound assertion "!success && ( 0x20 == address )" Failed in
> > AppleOnboardAudio/K2Platform.cpp line 285 goto Exit
>
> That particular error is the built in audio driver not being able to talk
> over I2C to the sound chip (0x20 is the base address of the chip's
> registers). Do you do anything with the I2C driver that might wedge it?
No. Our driver is for a PCI device.
> This call path is in the initialization of the driver (are you unloading
> it?), but it should only be retried one or two times, not infinitely.
>
> Unfortunately, I can't think of anything that this might mean in relation to
> a third party driver, unless you're actually loading and unloading the
> AppleOnboardAudio driver.
We never unload the sound driver. Just our own driver.
Hmm.. I wonder if we've got a bogus stack someplace caused by some
sort of stack overflow, and the garbage return address just happens to
match the address of this audio driver init routine..
Drew
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