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Date: Fri, 12 Sep 2014 22:03:26 +0000 (UTC)
From: Marcin Cieslak <saper@saper.info>
To: John Baldwin <jhb@freebsd.org>
Subject: Re: panic: resource_list_alloc: resource entry is busy
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On Fri, 12 Sep 2014, John Baldwin wrote:

>> Please note I originally loaded "i915.ko", not "i915kms.ko"
>
> Oh, that is probably your problem.  X loaded i915kms automatically and
> i915 and i915kms do not get along.  i915 had already allocated the IRQ
> when i915kms tried to alloc the same IRQ causing the issue.

Would that be possible to fail with EBUSY or something instead of panic?

//Marcin