Subject: Re: 1.6.2 kernel: ex driver sometimes can't allocate
To: Chapman Flack <>
From: Manuel Bouyer <>
List: tech-kern
Date: 09/19/2004 21:06:12
On Sun, Sep 19, 2004 at 01:30:07PM -0500, Chapman Flack wrote:
> In the short term, what happens if BUS_DMA_NOWAIT isn't passed in this
> particular call?  Does that allow the memory manager to do some reclamation?
> Is the BUS_DMA_NOWAIT required because of a possible deadlock?

I don't know if it is safe to call without BUS_DMA_NOWAIT here.
It needs to be called from a valid thread context to be.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference