Subject: Re: port-sparc64/29473: nfs + bus_dmamap_load_mbuf often results in a hang
To: john heasley <>
From: Jaromir Dolecek <>
List: netbsd-bugs
Date: 02/24/2005 15:48:29
On Wed, Feb 23, 2005 at 12:28:39PM -0800, john heasley wrote:
> > Is kernel modified?
> Not on this box, current as of ~this last sunday.  I noticed this happen
> a long time ago, circa 1.6Z, but set-up the hme and forgot to report or
> return to it ... until last week.

Could this be the well-known sparc64 PCI DMA bug? hme0 (or other
adapters using bus_dmamap_load_mbuf()) used to lockup the kernel regularily
under load.

Jaromir Dolecek <>  
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