Re: Tagged queueing

From: Frederick Bruckman (fredb_at_immanent.net)
Date: 01/05/04 

Date: Mon, 05 Jan 2004 14:22:50 -0600

In article <slrnbvgipt.21le.skylar@amayatra.os2.dhs.org>,
        Skylar Thompson <skylar@os2.dhs.org> writes:
> I posted a message few weeks ago about trouble I've been having with NetBSD
> 1.6.1 on my DECsystem 5000/240. The problem was that, under heavy disk
> usage, the asc kernel driver for the SCSI bus would time out, requiring a
> reboot. I believe I've traced this problem to a problem with SCSI tagged
> command queueing. How do I turn off tagged command queueing? I've checked
> the NetBSD web site and Google, but haven't found any messages saying how
> to do this.

It depends on the driver. ahc(4), for example, permits "options AHC_NO_TAGS".
See the man page for your driver. 

-- 
Frederick