panic: driver error: busdma dflt_lock called

[Corey Brune]

>From what I can tell, the function dflt_lock is only called if the dma
driver doesn't have a lock. This causes a panic (see busdma_machdep.c line
190). Can you provide the call stack?

Thanks,
Corey



On 8/25/06, Karim Nogas <knogas at telus.net> wrote:
>
> Hello,
>
> I was wondering if someone could explain this error message, and where I
> should look for a resolution.
>
> I installed FreeBSD 6.1, configured my NIC, and was using it for a
> couple days without problems.  Now, even after a fresh install, I keep
> getting this error.  The only resolution I've found is to login in
> Single-User Mode, run fsck, and mount -a.  Unfortunately, this 'fix' is
> temporary as the problem occurs again with a reboot.
>
> Any ideas would be greatly appreciated.  Thank-you.
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